User:Abyssal/List of the prehistoric life of Japan

This list of the prehistoric life of Alabama contains the various prehistoric life-forms whose fossilized remains have been reported to the Scientific literature from Alabama.

Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.

Paleozoic

 * † Aaptochiton – type locality for genus
 * † Aaptochiton pustulosus – type locality for species
 * † Abadehella
 * † Abadehella coniformis
 * † Acanthopecten
 * † Acanthopecten coloradoensis – or unidentified comparable form
 * † Acanthopecten onukii – type locality for species
 * † Acanthopecten onukii
 * † Acanthopecten spinosus – type locality for species
 * † Acanthopecten spinosus
 * † Acanthophillipsia
 * † Acanthophillipsia densigranulata – type locality for species
 * † Acervoschwagerina – tentative report
 * † Acervoschwagerina
 * † Acervoschwagerina endoi
 * † Acervoschwagerina kagemoriensis
 * † Acosarina
 * † Acosarina circular – or unidentified comparable form
 * † Acosarina minuta
 * † Acosarina rectimarginata
 * † Acratia – tentative report
 * † Acratia hamadai – type locality for species
 * † Acratia okumurai – type locality for species
 * † Acritosia
 * † Acritosia ogamensis – type locality for species
 * † Acritosia teguliferoides
 * † Acrodus – tentative report
 * † Acteonina
 * † Acteonina koizumii – type locality for species
 * † Actinodontophora
 * † Actinodontophora katsurensis – or unidentified related form
 * † Actinodontophora katsurensis
 * † Actinophrentis – tentative report
 * † Adrianites
 * † Agassizodus
 * † Agathammina – tentative report
 * † Agathammina
 * † Agathammina asymmetricus
 * † Agathammina dvinensis
 * † Agathammina ovata
 * † Agathammina psebaensis
 * † Agathammina pusilla
 * † Agathiceras – tentative report
 * † Agathiceras
 * † Agathiceras suessi – or unidentified related form
 * † Akasakiella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Akasakiella
 * † Akasakiella yabei – type locality for species
 * † Akasakiella yabei – or unidentified related form
 * † Akasakiella yabei
 * † Akiyosiphyllum – tentative report
 * † Akiyosiphyllum
 * † Aktastioceras
 * † Aktastioceras nishikawai – type locality for species
 * † Albaillella
 * † Albaillella angusta – or unidentified comparable form
 * † Albaillella angusta
 * † Albaillella asymmetrica – or unidentified related form
 * † Albaillella asymmetrica
 * † Albaillella bipartitus
 * † Albaillella excelsa – or unidentified comparable form
 * † Albaillella excelsa
 * † Albaillella excelsa-lauta Linage groupinformal
 * † Albaillella flexa – or unidentified comparable form
 * † Albaillella flexa
 * † Albaillella kuwaharai
 * † Albaillella lauta
 * † Albaillella levis – or unidentified related form
 * † Albaillella levis – or unidentified comparable form
 * † Albaillella levis
 * † Albaillella optima – or unidentified comparable form
 * † Albaillella optima
 * † Albaillella sinuata – or unidentified comparable form
 * † Albaillella sinuata
 * † Albaillella triangularis – or unidentified comparable form
 * † Albaillella triangularis
 * † Alispiriferella
 * † Alispiriferella lita – type locality for species
 * † Alispiriferella lita
 * † Allorhynchus
 * † Allorisma – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Allotropiophyllum
 * † Amandophyllum
 * † Amblysiphonella
 * † Amblysiphonella hidensis – type locality for species
 * † Amphissites
 * † Amphissites centronotus
 * † Amphissites gifuensis – type locality for species
 * † Amplexocarinia
 * † Amplexocarinia radicula
 * † Amplexoides
 * † Amplexoides chaoi – or unidentified related form
 * † Ampulliglabella – type locality for genus
 * † Ampulliglabella
 * † Ampulliglabella kojimai – type locality for species
 * † Ampulliglabella rotunda – type locality for species
 * † Ampulliglabella rotunda
 * † Amsdenoides
 * † Amygdalophylloides
 * † Amygdalophylloides gracilis
 * † Amygdalophylloides wuwangshie – type locality for species
 * † Ananias
 * † Ananias shikamai – type locality for species
 * † Anematina
 * † Anematina parva – type locality for species
 * † Anemonaria
 * † Anemonaria pseudohorrida
 * † Anidanthus
 * † Anidanthus mizukoshiensis – type locality for species
 * † Anidanthus ussuricus – type locality for species
 * † Anidanthus ussuricus
 * † Annuliconcha
 * † Annuliconcha kitakamiensis – type locality for species
 * † Annuliconcha kitakamiensis
 * † Anomphalus
 * † Anomphalus japonicus – type locality for species
 * † Apachella
 * † Aphelaeceras
 * † Aphelaeceras falciferum – or unidentified comparable form
 * † Arachnastraea
 * † Arachnastraea sinensis
 * † Arachnolasma
 * † Arachnolasma cylindricum
 * † Arachnolasma ichinotaniense – type locality for species
 * † Araeonema
 * † Araeonema panthalassica – type locality for species
 * † Araxoceras
 * † Araxoceras rotoides – or unidentified comparable form
 * † Arceodomus
 * † Arceodomus japonicum – type locality for species
 * † Archaeolithoporella
 * † Archaeospongoprunum
 * † Arionthia
 * † Arionthia polypleura
 * † Armenina
 * † Armenina akasakensis
 * † Armenina sphaera
 * † Artinskia
 * † Asamiella – tentative report
 * † Asamiella
 * † Asamiella japonica – type locality for species
 * † Asamiella japonica
 * † Asamiella operculum Cinformal
 * † Astartella – tentative report
 * † Astartella
 * † Astartella toyomensis – type locality for species
 * † Astartella toyomensis
 * † Atrypa
 * † Atrypa japonica
 * † Attenuatella
 * † Attenuatella bandoi – type locality for species
 * † Attenuatella bandoi
 * † Aulocystis
 * † Aulocystis hitoeganensis – type locality for species
 * † Aulopora – tentative report
 * † Aulopora
 * † Aulopora sorayamaensis – type locality for species
 * † Aulopora sorayamaensis
 * † Aulosteges
 * † Aulosteges dalhousi
 * † Auriculispina
 * † Auriculispina kanmerai – type locality for species
 * † Aurikirkbya
 * † Aurikirkbya formula – type locality for species
 * † Aurikirkbya kinshozhanensis – type locality for species
 * † Aurikirkbya miyakei – type locality for species
 * † Aurikirkbya subkellettae – type locality for species
 * † Aviculopecten – tentative report
 * † Aviculopecten
 * † Aviculopecten hataii – type locality for species
 * † Aviculopecten hataii – or unidentified comparable form
 * † Aviculopecten hayasakai – type locality for species
 * † Aviculopecten hayasakai
 * † Aviculopecten onukii – type locality for species
 * † Aviculopecten onukii
 * † Aviculopecten shiroshitai – type locality for species
 * † Aviculopecten shiroshitai – or unidentified comparable form
 * † Aviculopinna
 * † Bactrites
 * † Bactrites nagatoensis
 * † Bairdia
 * † Bairdia akasakaensis – type locality for species
 * † Bairdia eucurvia – type locality for species
 * † Bairdia fujisan – type locality for species
 * † Bairdia ikeyai – type locality for species
 * † Bairdia minoensis – type locality for species
 * † Bairdia nagaiwensis
 * † Bairdia nishiwakii – type locality for species
 * † Bairdia ogakiensis – type locality for species
 * † Bairdia oklahomaensis – or unidentified comparable form
 * † Bairdia spindlica – type locality for species
 * † Bairdia trianguliformis
 * † Bairdiacypris – tentative report
 * † Bairdiacypris
 * † Bairdiacypris deloi
 * † Bairdiacypris hayasakai – type locality for species
 * † Baisalina – tentative report
 * † Baisalina
 * † Bakevellia
 * † Bakevellia gujoensis – type locality for species
 * † Batostomella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Baylea
 * † Baylea yvanii
 * † Beedeina
 * † Beedeina higoensis
 * † Bellerophon
 * † Bellerophon kitakamiensis – type locality for species
 * † Bellerophon matsumotoi – type locality for species
 * † Bellerophon yabei – type locality for species
 * † Bicarina
 * † Bicarina onoi – type locality for species
 * † Bicoemplectopteris
 * † Bitaunioceras
 * † Bitaunioceras undulatum – type locality for species
 * † Biwaella
 * † Biwaella oimiensis
 * † Blasispirifer
 * † Blasispirifer reedi – or unidentified comparable form
 * † Blasispirifer reedi
 * † Bogoslovskya
 * † Bogoslovskya miharanoroensis – type locality for species
 * † Bogoslovskya omiensis – type locality for species
 * † Bothrophyllum
 * † Bothrophyllum domheri
 * † Bothrostegium
 * † Boultonia
 * † Brachycycloceras
 * † Brachythyrina
 * † Brachythyrina arctica – or unidentified comparable form
 * † Brunsiella – tentative report
 * † Brunsiella
 * † Bulimorpha
 * † Bulimorpha melanioides
 * † Calcitornella – tentative report
 * † Calcitornella
 * † Calcivertella
 * † Callispira
 * † Callispirina
 * † Callispirina ornata – or unidentified related form
 * † Callitomaria
 * † Callitomaria stanislavi – or unidentified comparable form
 * † Cancellina
 * † Cancellina fuwensis
 * † Cancellina nipponica
 * † Cancellina pamirica – or unidentified comparable form
 * † Cancellina postnipponica – type locality for species
 * † Cancellina postnipponica
 * † Cancellina primigena – or unidentified related form
 * † Cancrinella
 * † Cancrinella cancriniformis
 * † Capillomesolobus
 * † Capillomesolobus heritschi
 * † Carcinophyllum
 * † Carcinophyllum lonsdaleiforme
 * † Cardiella
 * † Cartorhium
 * † Cartorhium coristum
 * † Cathaysiopteris
 * † Cathayspirina
 * † Cathayspirina magna – type locality for species
 * † Cathayspirina magna
 * † Cauletella
 * † Cauletella manica
 * † Cauletella paradoxa
 * † Cauletella porosa – or unidentified comparable form
 * † Cauletella porosa
 * † Cavellina – tentative report
 * † Cavellina
 * † Cavellina hashimotoi – type locality for species
 * † Cavellina nipponica – type locality for species
 * † Ceraunocochlis
 * † Cerithioides
 * † Cerithioides angulatum – type locality for species
 * † Cerithiozone – type locality for genus
 * † Cerithiozone ornata – type locality for species
 * † Chaetetes
 * † Chaetetes tenuiradiatus
 * † Chalaroschwagerina
 * † Chalaroschwagerina globosa
 * † Chalaroschwagerina santyuensis – or unidentified comparable form
 * † Chalaroschwagerina vulgaris
 * † Chaoiella
 * † Chaoiella taiyuanfuensis – type locality for species
 * † Chaoiella taiyuanfuensis
 * † Cheiropyge
 * † Cheiropyge koizumii – type locality for species
 * † Chienchangia – tentative report
 * † Chienchangia minatoi
 * † Chilotrypa
 * † Chondronia
 * † Chondronia hiroshimensis – type locality for species
 * † Chonetinella
 * † Chonetinella iwakiensis – type locality for species
 * † Chonetinella krotovi
 * † Chonetinella transversa – type locality for species
 * † Chonetinella transversa
 * † Chonetinetes
 * † Chonetinetes elongates – type locality for species
 * † Chonosteges
 * † Chonosteges variabilis
 * † Choristitella
 * † Choristitella wynnei
 * † Chusenella – tentative report
 * † Chusenella
 * † Chusenella acris
 * † Chusenella atlinensis – or unidentified comparable form
 * † Chusenella atlinensis
 * † Chusenella atlinesis
 * † Chusenella conicocylindrica – or unidentified comparable form
 * † Chusenella schwagerinaeformis
 * † Chusenella sinensis
 * † Cibolites
 * † Cibolites uddeni – or unidentified comparable form
 * † Cladochonus
 * † Cladochonus cylindratus
 * † Cladochonus hamadai
 * † Cladochonus verrucatus – type locality for species
 * † Cladochonus verrucatus
 * † Cladodus
 * † Clarkina
 * † Clausotrypa
 * † Clausotrypa monstruosa
 * † Cleiothyridina
 * † Cleiothyridina hayasakai – type locality for species
 * † Cleiothyridina hayasakai
 * † Cleiothyridina subexpansa – or unidentified comparable form
 * † Climacammina
 * † Climacammina valvulinoides
 * † Clisiophyllum
 * † Codonofusiella – tentative report
 * † Codonofusiella
 * † Codonofusiella ashioensis
 * † Codonofusiella kwangsiana – or unidentified comparable form
 * † Codonofusiella kwangsiana
 * † Codonofusiella nabeyamensis
 * † Coeloconulus – type locality for genus
 * † Coeloconulus panae – type locality for species
 * † Coenites
 * † Coenites fukujiensis – type locality for species
 * † Colaniella
 * † Colaniella parva
 * † Composita
 * † Composita jogensis – type locality for species
 * † Compressoproductus
 * † Compressoproductus mytiloides – or unidentified comparable form
 * † Cooperina
 * † Cooperina inexpectata
 * † Cooperina nipponica – type locality for species
 * † Copicyntra
 * † Copicyntroides
 * † Copicyntroides asteriformis
 * † Copiellintra
 * † Cordaites
 * † Cornuspira – tentative report
 * † Cornuspira
 * † Corwenia – tentative report
 * † Coscinophora
 * † Coscinophora magnifica
 * † Coscinotrypa
 * † Coscinotrypa minor – type locality for species
 * † Costataenia – type locality for genus
 * † Costataenia hayasakai – type locality for species
 * † Costatoria
 * † Costatoria katsurensis
 * † Costatoria kobayashii
 * † Costatumulus
 * † Costatumulus tazawai – or unidentified comparable form
 * † Costatumulus tazawai
 * † Costiferina
 * † Costiferina spiralis – or unidentified related form
 * † Crassitudochiton – type locality for genus
 * † Crassitudochiton plakos – type locality for species
 * † Crenispirifer
 * † Crenispirifer nakamurai
 * † Cribrogenerina – tentative report
 * † Crurithyris
 * † Cryptoseptida – tentative report
 * † Cryptoseptida
 * † Cryptospirifer
 * † Cryptospirifer omeishanensis
 * † Cyathaxonia
 * † Cyathaxonia weyeri
 * † Cyclacantharia
 * † Cyclolobus
 * † Cyclolobus walkeri – or unidentified comparable form
 * † Cyrolexis
 * † Cyrolexis nonakai
 * † Cyrtonodus
 * † Cyrtonodus brevis – type locality for species
 * † Cyrtonodus fukujiensis – type locality for species
 * † Cyrtonodus nishioi – type locality for species
 * † Cyrtorostra
 * † Cyrtorostra lunwalensis – or unidentified comparable form
 * † Cystauletes
 * † Cystauletes kingi – type locality for species
 * † Cystiphyllum
 * † Dagmarita
 * † Dagmarita chanakchiensis
 * † Darvasites
 * † Daviesiella – tentative report
 * † Daviesiella comoides – tentative report
 * † Dechenella
 * † Dechenella minima
 * † Deckerella
 * † Deflandrella
 * † Deflandrella manica
 * † Demarezites – tentative report
 * † Demarezites
 * † Dentalium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Dentalium akasakensis – type locality for species
 * † Dentalium neornatum – type locality for species
 * † Derbyia – tentative report
 * † Derbyia
 * † Derbyia acutiplicata – or unidentified comparable form
 * † Derbyia altestriata – or unidentified comparable form
 * † Derbyia altestriata
 * † Derbyia buchi
 * † Derbyia crassa
 * † Derbyia dorsosulcata
 * † Derbyia grandis – or unidentified comparable form
 * † Derbyia hemisphaerica
 * † Derbyia nipponica – type locality for species
 * † Derbyia nipponica
 * † Derbyia profunda
 * † Derbyia sakamotozawensis – type locality for species
 * † Derbyia schellwieni
 * † Derbyia yukisawensis
 * † Derbyoides
 * † Dibunophylloides – tentative report
 * † Dibunophylloides
 * † Dibunophylloides mizuyagadaniensis
 * † Dibunophyllum
 * † Dictyoclostus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Dictyotomaria
 * † Dicystoconcha
 * † Dicystoconcha lapparenti
 * † Dielasma
 * † Diplosphaerina
 * † Dolorthoceras
 * † Dolorthoceras nakazawai – type locality for species
 * † Domatoceras
 * † Domatoceras ogatsuense – type locality for species
 * † Donezella
 * † Dorlodotia
 * † Dorlodotia fujimotoi
 * † Dunbarula – tentative report
 * † Dunbarula
 * † Dunbarula cascadensis
 * † Dunbarula nana
 * † Dunbarula oviformis
 * † Dunbarula pseudosimplex
 * † Dunbarula schubertellaeformis
 * † Dunbarula simplex
 * † Durhamina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Durhamina suzukensis – type locality for species
 * † Dutkevitchia – tentative report
 * † Dutkevitchia hindukushiensis
 * † Dyoros
 * † Dyscritella
 * † Dyscritella shigeyasuensis – type locality for species
 * † Dzhulfoceras
 * † Dzhulfoceras furnishi – or unidentified comparable form
 * † Echigophyllum – tentative report
 * † Echigophyllum
 * † Echigophyllum atetsuense
 * † Echinaria
 * † Echinauris
 * † Echinauris lateralis
 * † Echinauris opuntia
 * † Echinoconchus – tentative report
 * † Echinoconchus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Echinoconchus defensus – tentative report
 * † Echinosteges – tentative report
 * † Ectodemites
 * † Ectodemites globosa – type locality for species
 * † Edmondia
 * † Edriosteges
 * † Edriosteges multispinosus – or unidentified comparable form
 * † Edriosteges poyangensis – or unidentified comparable form
 * † Elivella
 * † Elivella baschkirica – or unidentified related form
 * † Elivina
 * † Elivina tibetana
 * † Emilites
 * † Emilites prosperus – or unidentified comparable form
 * † Endops – type locality for genus
 * † Endops yanagisawai
 * † Endothyra – tentative report
 * † Endothyra
 * † Ensipteria – type locality for genus
 * † Ensipteria
 * † Ensipteria onukii – type locality for species
 * † Ensipteria onukii
 * † Entactinia
 * † Entactinosphaera
 * † Entactinosphaera aubouini – type locality for species
 * † Entactinosphaera aubouini
 * † Entactinosphaera echinata
 * † Enteletes
 * † Enteletes acutiplicatus – type locality for species
 * † Enteletes acutiplicatus
 * † Enteletes andrewsi – or unidentified related form
 * † Enteletes andrewsi
 * † Enteletes costellatus
 * † Enteletes gibbosus
 * † Eoasianites
 * † Eoasianites subhanieli – or unidentified comparable form
 * † Eolyttonia
 * † Eolyttonia mira
 * † Eolyttonia nakazawai – type locality for species
 * † Eolyttonia nakazawai – or unidentified comparable form
 * † Eoparafusulina
 * † Eoparafusulina perplexa – or unidentified related form
 * † Eridopora
 * † Eridopora luminosa – or unidentified comparable form
 * † Eridopora parasitica – or unidentified comparable form
 * † Etheripecten – tentative report
 * † Etheripecten
 * † Etheripecten hiemalis
 * † Euchondria – tentative report
 * † Euchondria
 * † Euchondria kesenensis – type locality for species
 * † Euchondria kesenensis
 * † Euconospira
 * † Euconospira nipponica – type locality for species
 * † Eucycloscala
 * † Eugonophyllum
 * † Eumedlicottia
 * † Eumedlicottia primas
 * † Eunemopsis – tentative report
 * † Euomphalus
 * † Euomphalus asanoi – type locality for species
 * † Euomphalus nodocarinatus – or unidentified related form
 * † Euomphalus uedai – type locality for species
 * † Euomphalus uedai
 * † Euphemitopsis
 * † Euphemitopsis kitakamiensis – type locality for species
 * † Euphemitopsis kitakamiensis
 * † Fallaxoproductus
 * † Fallaxoproductus moribuensis – type locality for species
 * † Favosites
 * † Fenestella
 * † Fenestella macronodata – type locality for species
 * † Fenestella otae – type locality for species
 * † Filites
 * † Filites hashimotoi – type locality for species
 * † Fistulipora
 * † Fistulipora irimiensis – type locality for species
 * † Fistulipora lunatifera – or unidentified related form
 * † Fistulipora megastoma – or unidentified comparable form
 * † Fistulipora miharanoensis – type locality for species
 * † Fistulipora octonaria
 * † Fistulipora ozawae – type locality for species
 * † Fistulipora pseudolunaris – type locality for species
 * † Fistulipora shigeyasuensis – type locality for species
 * † Fistulipora volongensis – or unidentified related form
 * † Follicucullus
 * † Follicucullus bipartitus
 * † Follicucullus charveti – or unidentified related form
 * † Follicucullus charveti
 * † Follicucullus falx
 * † Follicucullus furca – type locality for species
 * † Follicucullus hamatus
 * † Follicucullus japonicus
 * † Follicucullus monacanthus
 * † Follicucullus orthogonus – or unidentified related form
 * † Follicucullus orthogonus
 * † Follicucullus scholasticus
 * † Fomichevella
 * † Fomichevella japonica
 * † Foordiceras – tentative report
 * † Foordiceras
 * † Foordiceras akiyamai – type locality for species
 * † Foordiceras wynnei – or unidentified comparable form
 * † Foremanhelena
 * † Foremanhelena circula – or unidentified comparable form
 * † Foremanhelena circula
 * † Foremanhelena triangula
 * † Frondina – tentative report
 * † Frondina
 * † Frondina palmata
 * † Fujispira – type locality for genus
 * † Fujispira japonica – type locality for species
 * † Fusulinella
 * † Fusulinella biconica
 * † Geinitzina – tentative report
 * † Geinitzina
 * † Geinitzina postcarbonica
 * † Geisonocerina – tentative report
 * † Gemmellaroia
 * † Gerkeina – tentative report
 * † Gertholites
 * † Gertholites haikawai – type locality for species
 * † Geyerella
 * † Geyerella ofunatoensis – type locality for species
 * † Gifuaparchites – type locality for genus
 * † Gifuaparchites takagii – type locality for species
 * † Gifuchiton – type locality for genus
 * † Gifuchiton pentagonus – type locality for species
 * † Gifuella
 * † Gifuella amicula
 * † Gifuella gifuensis
 * † Gifuella muratai
 * † Gifuelloides
 * † Gifuelloides hanaokensis
 * † Gifuelloides larga
 * † Gigantopteris
 * † Girtypecten
 * † Girtypecten beipeiensis – or unidentified comparable form
 * † Girtyporina
 * † Girtyporina applicata – or unidentified comparable form
 * † Girtyporina crassa
 * † Girtyporina gorjunovae – type locality for species
 * † Girtyporina gorjunovae
 * † Girvanella – or unidentified related form
 * † Girvanella
 * † Glabrocingulum
 * † Glikmanius
 * † Glikmanius occidentalis
 * † Globiella
 * † Globiella kamiyassensis – type locality for species
 * † Globiella tschernyschewi
 * † Globivalvulina
 * † Globivalvulina cyprica – or unidentified comparable form
 * † Globivalvulina cyprica
 * † Glomomidiella – tentative report
 * † Glomomidiella
 * † Glomospira – tentative report
 * † Glomospira
 * † Glyptopleura
 * † Glyptopleura mugiensis – type locality for species
 * † Glyptospira
 * † Glyptospira tricostata – or unidentified comparable form
 * † Goniarina
 * † Goniarina permiana
 * † Goniarina subulata – or unidentified comparable form
 * † Goniasma – tentative report
 * † Goniasma
 * † Goniasma fortecarinata – type locality for species
 * † Goniasma nodifera – type locality for species
 * † Grammatodon
 * † Grammatodon obsoletiformis – type locality for species
 * † Grammatodon obsoletiformis
 * † Grandaurispina
 * † Grandaurispina kozlowskiana – or unidentified comparable form
 * † Grandaurispina kozlowskiana
 * † Gryphochiton
 * † Gryphochiton asamiae – type locality for species
 * † Guizhoupecten
 * † Guizhoupecten miyamoriensis – type locality for species
 * † Gujocardita – type locality for genus
 * † Gujocardita oviformis – type locality for species
 * † Gustefana
 * † Gypospirifer
 * † Gypospirifer kobiyamai – type locality for species
 * † Gypospirifer kobiyamai
 * † Haplentactinia – tentative report
 * † Haplentactinia ichikawai
 * † Hayasakapecten
 * † Hayasakapecten minoensis – type locality for species
 * † Hayasakapecten reticularis – type locality for species
 * † Hayasakapecten sasakii – type locality for species
 * † Hayasakapecten sasakii
 * † Hayasakapecten shimizui – type locality for species
 * † Hayasakapecten shimizui
 * † Hayasakapora – type locality for genus
 * † Hayasakapora
 * † Hayasakapora akiyoshiensis – type locality for species
 * † Hayasakapora erectoradiata – type locality for species
 * † Hayasakapora erectoradiata – or unidentified comparable form
 * † Hayasakapora erectoradiata
 * † Hayasakapora isaensis – type locality for species
 * † Hayasakapora otai – type locality for species
 * † Hayasakapora taishakuensis – type locality for species
 * † Hayasakapora yanagidai – type locality for species
 * † Hayasakapora yanagidai
 * † Haydenella
 * † Haydenella kiangsiensis
 * † Haydenella wenganensis
 * † Hegleria
 * † Hegleria mammilla – or unidentified comparable form
 * † Hegleria mammilla
 * † Helicampodus
 * † Helicoprion
 * † Helicoprion bessonowi
 * † Hemigordiopsis – tentative report
 * † Hemigordius – tentative report
 * † Hemigordius
 * † Hemigordius discoides
 * † Hemigordius irregulariformis
 * † Heritschioides – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Heterocaninia
 * † Heterocaninia concentrica
 * † Heterocaninia makotokatoi
 * † Heterosubulites
 * † Heterosubulites fusiformis – type locality for species
 * † Hexagonella
 * † Hexaphyllia
 * † Hexiproductus
 * † Hexiproductus echidniformis
 * † Hikorocodium
 * † Hillaepora
 * † Hillaepora gionensis
 * † Hiroshimaphyllum
 * † Hiroshimaphyllum toriyamai
 * † Hollinella
 * † Hollinella elliptica – type locality for species
 * † Holmophyllum
 * † Horridonia – tentative report
 * † Huangia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Huangia
 * † Huangia misakensis – type locality for species
 * † Hustedia
 * † Hustedia culcitula
 * † Hustedia grandicosta
 * † Hustedia indica
 * † Hustedia minuta – type locality for species
 * † Hustedia minuta
 * † Hustedia ratburiensis – or unidentified related form
 * † Hustedia ratburiensis
 * † Ibukiphyllum
 * † Ichthyofrondina – tentative report
 * † Ichthyofrondina
 * † Institella
 * † Institella leonardensis
 * † Iranophyllum
 * † Iranophyllum shirasakiense – type locality for species
 * † Ishigaum
 * † Ishigaum klaengensis – or unidentified comparable form
 * † Ishigaum klaengensis
 * † Ishigaum obesum
 * † Ishigaum trifustis – or unidentified comparable form
 * † Ishigaum trifustis
 * † Isogramma
 * † Isogramma heritschi – type locality for species
 * † Isogramma nakamurai – type locality for species
 * † Isogramma nakamurai
 * † Isurugiopora
 * † Isurugiopora obesa
 * † Ivanovia
 * † Ivanovia eguchii
 * † Ivanovia podolskiensis
 * † Janassa
 * † Jilingites
 * † Jilingites kesennumensis – type locality for species
 * † Jimbokranion – type locality for genus
 * † Jimbokranion subovalis – type locality for species
 * † Juresania
 * † Juresania juresanensis – or unidentified comparable form
 * † Juresania juresanensis
 * † Kahlerina – tentative report
 * † Kahlerina
 * † Kahlerina nautiloidea – or unidentified comparable form
 * † Kahlerina nautiloidea
 * † Kahlerina ussurica
 * † Kamurana – tentative report
 * † Kamurana
 * † Kanashiropora – type locality for genus
 * † Kanashiropora kozui – type locality for species
 * † Kanokurachonetes – type locality for genus
 * † Kanokurachonetes kanokurensis – type locality for species
 * † Kashiwara
 * † Kashiwara magna – or unidentified related form
 * † Kawanamia – type locality for genus
 * † Kawanamia onimarensis – type locality for species
 * † Kellettina
 * † Keyserlingina
 * † Kiangsiella
 * † Kiangsiella deltoidens
 * † Kionophyllum
 * † Kionophyllum carbonarium
 * † Kirkbya
 * † Kirkbya atolla – type locality for species
 * † Kirkbya centrotumida – type locality for species
 * † Kirkbya magniforma – type locality for species
 * † Kirkbya multicresta – type locality for species
 * † Kirkbya subnipponica – type locality for species
 * † Kirkbya subquadriforma – type locality for species
 * † Kitakamichonetes – type locality for genus
 * † Kitakamichonetes
 * † Kitakamichonetes multicapillatus – type locality for species
 * † Kitakamichonetes multicapillatus
 * † Knightella
 * † Knightella hydrobiformis – type locality for species
 * † Kochiproductus
 * † Kochiproductus okutadamiensis – type locality for species
 * † Koninckophyllum – tentative report
 * † Koninckophyllum
 * † Koninckophyllum interruptum
 * † Koninckophyllum nipponalpinum
 * † Kueichouphyllum
 * † Kueichouphyllum sinense
 * † Kunlunia
 * † Kunlunia grabaui – type locality for species
 * † Kunlunia grabaui
 * † Kutorginella – tentative report
 * † Labechiellata
 * † Labechiellata regularis
 * † Labrocuspis
 * † Labrocuspis kobayashii – type locality for species
 * † Lamnimargus
 * † Lamnimargus japonicus – type locality for species
 * † Lamnimargus japonicus
 * † Lamnimargus peregrinus
 * † Langella
 * † Langella fragilis
 * † Lantschichites
 * † Lantschichites cuniculata
 * † Lasiodiscus
 * † Lasiodiscus planus
 * † Latentibifistula
 * † Latentibifistula asperspongiosa
 * † Latentifistula
 * † Latentifistula similicutis – type locality for species
 * † Latentifistula similicutis
 * † Laterispina
 * † Laterispina parallela
 * † Leioclema
 * † Leioclema micropora – type locality for species
 * † Leioclema muratae – type locality for species
 * † Leioclema nonakae – type locality for species
 * † Lepidolina – tentative report
 * † Lepidolina
 * † Lepidolina kumaensis
 * † Lepidolina maizurensis
 * † Lepidolina multiseptata
 * † Leptochondria – tentative report
 * † Leptodesma
 * † Leptodus
 * † Leptodus nobilis
 * † Leptodus richthofeni
 * † Leptodus tenuis
 * † Licharewina
 * † Licharewina arakii – type locality for species
 * † Licharewina arakii
 * † Limipecten
 * † Limipecten bandoi – type locality for species
 * † Linoproductus
 * † Linoproductus hayasakai
 * † Linoproductus lineatus
 * † Linoproductus simensis
 * † Lissochonetes – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Lissochonetes
 * † Lissochonetes avicula – or unidentified comparable form
 * † Lissochonetes bipartita
 * † Lissochonetes morahensis
 * † Lissodus
 * † Lithostrotion
 * † Lithostrotion decipiens
 * † Littorinides
 * † Littorinides solidum – or unidentified comparable form
 * † Lonsdaleia
 * † Lonsdaleia duplicata – or unidentified related form
 * † Lonsdaleiastraea
 * † Lonsdaleiastraea yamanbaensis – type locality for species
 * † Lonsdaleoides
 * † Lonsdaleoides nishikawai – type locality for species
 * † Lopha – tentative report
 * † Lopha murakamii – type locality for species
 * † Lopha teranosawensis – type locality for species
 * † Lopha teranosawensis
 * † Lophocarinophyllum
 * † Lophocarinophyllum acanthiseptatum – or unidentified related form
 * † Lophophyllidium – tentative report
 * † Lophophyllidium
 * † Lopingoceras
 * † Lopingoceras acutanolatum – or unidentified comparable form
 * † Lopingoceras hayasakai – type locality for species
 * † Loxophragmus
 * † Loxophragmus ellipticus
 * † Lunucammina – tentative report
 * † Lunucammina
 * † Lyroschizodus
 * † Lyroschizodus tobai – type locality for species
 * † Lyroschizodus tobai
 * † Lytovophyllum
 * † Lytovophyllum tschernowi – or unidentified related form
 * † Mackinneyella
 * † Mackinneyella ovalifenestrata – type locality for species
 * † Maklaya
 * † Maklaya zarodensis
 * † Mandulapora
 * † Mandulapora jimboi – type locality for species
 * † Marathonites
 * † Marathonites jpsmithi – or unidentified comparable form
 * † Marginifera – tentative report
 * † Martinia
 * † Martinia elegans
 * † Martinia lata
 * † Martinia nipponica – type locality for species
 * † Martinia rhomboidalis
 * † Martinia rostrata
 * † Martinia semiplana
 * † Martinia wolfcampensis
 * † Martiniopsis
 * † Martiniopsis cathaysiensis
 * † Medfrazyga
 * † Medfrazyga convexa – type locality for species
 * † Medfrazyga rectecostata – type locality for species
 * † Meekella
 * † Meekella bisculpta
 * † Meekella eximia – or unidentified comparable form
 * † Meekella garnieri
 * † Meekella gigantea – type locality for species
 * † Meekella minatoi – type locality for species
 * † Meekella minatoi
 * † Meekella nagaiwensis
 * † Meekella nodosa – type locality for species
 * † Meekella nodosa
 * † Meekella striatocostata – or unidentified comparable form
 * † Meekella striatocostata
 * † Meekella uralica
 * † Meekopora – tentative report
 * † Meekopora fungipora – type locality for species
 * † Meekoporella – tentative report
 * † Meekoporella
 * † Meekoporella akiyoshiensis – type locality for species
 * † Meekoporella akiyoshiensis
 * † Megaporus
 * † Megousia
 * † Megousia auriculata – or unidentified comparable form
 * † Megousia auriculata
 * † Megousia nakamurai – type locality for species
 * † Megousia nakamurai
 * † Mesofavosites
 * † Mesofavosites igoi
 * † Mesoschubertella
 * † Mesoschubertella thompsoni
 * † Metadoliolina
 * † Metadoliolina multivoluta
 * † Metapronorites
 * † Metapronorites timorensis – or unidentified comparable form
 * † Metriolepis
 * † Metriolepis kuzuensis – type locality for species
 * † Mexicoceras – tentative report
 * † Michelinoceras – tentative report
 * † Micraphelia
 * † Microcheilinella
 * † Microcheilinella subovata – type locality for species
 * † Microcheilinella tsubogawensis – type locality for species
 * † Microcheilinella venusta
 * † Minilya
 * † Minilya taishakuensis – type locality for species
 * † Minilya toriyamae – type locality for species
 * † Minojapanella
 * † Minojapanella elongata
 * † Misellina
 * † Misellina claudiae
 * † Misellina dyhrenfurthi
 * † Misellina olgae
 * † Misellina parvicostata – or unidentified comparable form
 * † Misellina sphaerica – type locality for species
 * † Modiomorpha – tentative report
 * † Mongolochonetes
 * † Monodiexodina
 * † Monodiexodina matsubaishi
 * † Morozovapora
 * † Mourlonia
 * † Mourlonia toyomensis – type locality for species
 * † Mourlonia toyomensis
 * † Multidiscus – tentative report
 * † Multidiscus
 * † Multidiscus guangxiensis
 * † Multithecopora – tentative report
 * † Multithecopora
 * † Multithecopora dendroidea
 * † Multithecopora yabei
 * † Murchisonia
 * † Murchisonia kanekoi – type locality for species
 * † Myalina
 * † Myoconcha – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Nagatoella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Nagatoella ikenoensis
 * † Nankinella
 * † Nankinella akasakensis – type locality for species
 * † Nankinella akasakensis
 * † Nankinella kawadai
 * † Nankinella kuzuensis
 * † Nanlingella – tentative report
 * † Nanlingella
 * † Nanlingella simplex
 * † Nanlingella suzukii
 * † Nanochilina
 * † Nanochilina japonica – type locality for species
 * † Nanshanophyllum
 * † Nanshanophyllum gokasense
 * † Nanshanophyllum hamadai
 * † Naticopsis – tentative report
 * † Naticopsis
 * † Naticopsis fasciata – type locality for species
 * † Naticopsis minoensis – type locality for species
 * † Naticopsis operculum Ainformal
 * † Naticopsis operculum Binformal
 * † Naticopsis praealta – or unidentified comparable form
 * † Naticopsis tschernyschewi – or unidentified comparable form
 * † Naticopsis wakimizui – type locality for species
 * † Nazarovella
 * † Nazarovella gracilis
 * † Nazarovella scalae – type locality for species
 * † Nazarovella scalae
 * † Neoalbaillella
 * † Neoalbaillella gracilis
 * † Neoalbaillella grypus
 * † Neoalbaillella optima – or unidentified comparable form
 * † Neoalbaillella optima
 * † Neoalbaillella ornithoformis
 * † Neobrachyelasma
 * † Neobrachyelasma japonica
 * † Neochonetes
 * † Neochonetes matsushitai – tentative report
 * † Neochonetes matsushitai
 * † Neochonetes strophomenoides – or unidentified comparable form
 * † Neochonetes substrophomenoides
 * † Neochonetes zhongyingensis
 * † Neoconularia
 * † Neoconularia rectangularis – type locality for species
 * † Neoconularia rectangularis
 * † Neodiscus – tentative report
 * † Neodiscus
 * † Neodiscus padangensis
 * † Neoendothyra
 * † Neoendothyra permica
 * † Neofusulinella – tentative report
 * † Neofusulinella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Neofusulinella
 * † Neofusulinella giraudi – or unidentified comparable form
 * † Neofusulinella giraudi
 * † Neofusulinella phairayensis
 * † Neofusulinella praecursor
 * † Neogeoceras
 * † Neogeoceras kitakamiensis
 * † Neoglaphyrites
 * † Neoglaphyrites discoidalis – type locality for species
 * † Neogriffithides
 * † Neogriffithides imbricatus – type locality for species
 * † Neokoninckophyllum
 * † Neokoninckophyllum nipponense
 * † Neopetalodus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Neopetalodus
 * † Neopopanoceras – tentative report
 * † Neoproetus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Neoproetus akagii – type locality for species
 * † Neorichthofenia
 * † Neorichthofenia mabutii
 * † Neoschizodus
 * † Neoschizodus kitakamiensis – type locality for species
 * † Neoschizodus permicus
 * † Neoschwagerina
 * † Neoschwagerina colaniae
 * † Neoschwagerina craticulifera
 * † Neoschwagerina margaritae
 * † Neoschwagerina minoensis – tentative report
 * † Neoschwagerina minoensis
 * † Neoschwagerina simplex – or unidentified comparable form
 * † Neoschwagerina simplex
 * † Neospirifer
 * † Neospirifer fasciger – or unidentified comparable form
 * † Nephelophyllum
 * † Netschajewia
 * † Netschajewia elongata – or unidentified comparable form
 * † Nipponaspis – type locality for genus
 * † Nipponaspis takaizumii – type locality for species
 * † Nipponirhynchia – type locality for genus
 * † Nipponirhynchia
 * † Nipponirhynchia kamiyassensis – type locality for species
 * † Nipponirhynchia shutoi – type locality for species
 * † Nipponitella
 * † Nipponitella explicata
 * † Nipponomaria
 * † Nipponomaria yokoyamai – type locality for species
 * † Nipponomaria yokoyamai
 * † Nodosinelloides – tentative report
 * † Nodosinelloides
 * † Notothyris
 * † Notothyris nucleolus – or unidentified comparable form
 * † Nuculites
 * † Nuculites ichikawai – type locality for species
 * † Nuculopsis – tentative report
 * † Nuculopsis
 * † Odontopteris
 * † Oldhamina
 * † Oldhamina anshunensis
 * † Oldhamina ehiroi – type locality for species
 * † Oldhamina ehiroi
 * † Oldhamina kitakamiensis – type locality for species
 * † Oldhamina kitakamiensis
 * † Oldhamina lianyangensis – or unidentified comparable form
 * † Oldhamina squamosa
 * † Omiphyllum
 * † Omphaloptycha – tentative report
 * † Orbiculiforma – tentative report
 * † Orbiculoidea
 * † Orbiculoidea jangarensis – or unidentified comparable form
 * † Orbiculoidea jangarensis
 * † Orionastraea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Orionastraea columellaris – or unidentified comparable form
 * † Ormistonella
 * † Ormistonella adherens – or unidentified comparable form
 * † Ormistonella adherens
 * † Ormistonella robusta – or unidentified comparable form
 * † Ormistonella robusta
 * † Orthonema
 * † Orthothetina
 * † Orthothetina curvata
 * † Orthothetina elongata – type locality for species
 * † Orthothetina eusarkos
 * † Orthothetina frechi
 * † Orthothetina hayasakai – type locality for species
 * † Orthothetina kayseri
 * † Orthothetina planoconvexa – type locality for species
 * † Orthothetina polita
 * † Orthothetina ruber – or unidentified comparable form
 * † Orthothetina transversa – type locality for species
 * † Orthothrix
 * † Orthothrix sudoi
 * † Orthotichia
 * † Orthotichia derbyi – or unidentified comparable form
 * † Orthotichia japonica – type locality for species
 * † Orthotichia japonica
 * † Orthotichia jiangxiensis
 * † Ortonella
 * † Ozakiphyllum
 * † Pachyfavosites
 * † Pachyfavosites katoi
 * † Pachyphloia – tentative report
 * † Pachyphloia
 * † Pachyphloia ovata
 * † Pachyphloia schwageri
 * † Pachyphloia schwageria
 * † Paladin – tentative report
 * † Paladin iwaizakiensis
 * † Palaeofusulina – tentative report
 * † Palaeofusulina
 * † Palaeofusulina prisca
 * † Palaeofusulina sinensis
 * † Palaeoneilo – tentative report
 * † Palaeoneilo
 * † Palaeonubecularia – tentative report
 * † Palaeosmilia
 * † Palaeosmilia murchisoni
 * † Palaeostylus – tentative report
 * † Palaeostylus
 * † Palaeostylus attenuatus – type locality for species
 * † Palaeostylus dussaulti – or unidentified related form
 * † Palaeostylus irregularis – type locality for species
 * † Palaeostylus lateapicatus – type locality for species
 * † Palaeostylus minutus – type locality for species
 * † Palaeostylus pupoides
 * † Palaeotextularia
 * † Pamirina
 * † Pamirina leveni
 * † Paracalamites
 * † Paraceltites
 * † Paraceltites elegans
 * † Parachaetetes
 * † Parachouteauoceras – type locality for genus
 * † Parachouteauoceras – tentative report
 * † Parachouteauoceras bingoense – type locality for species
 * † Paracolaniella
 * † Paracolaniella leei
 * † Paraconularia
 * † Paracopicyntra
 * † Paracopicyntra akikawaensis – or unidentified comparable form
 * † Paracopicyntra akikawaensis
 * † Paracopicyntra ziyunensis – or unidentified comparable form
 * † Paracopicyntra ziyunensis
 * † Paracyclas – tentative report
 * † Paradoxiella
 * † Parafusulina – tentative report
 * † Parafusulina
 * † Parafusulina gifuensis – or unidentified comparable form
 * † Parafusulina japonica
 * † Parafusulina kaerimizensis
 * † Parafusulina kinosakii
 * † Parafusulina nakamigawai
 * † Parafusulina parakinosakii
 * † Parafusulina shimotsukensis – type locality for species
 * † Parafusulina shimotsukensis
 * † Parafusulina tochigiensis – or unidentified related form
 * † Parafusulina tochigiensis
 * † Parafusulina tomeganensis
 * † Parafusulina tomowoozawai – type locality for species
 * † Parafusulina tomowoozawai
 * † Parafusulina yabei
 * † Parafusulina yoshiakiozawai – type locality for species
 * † Parafusulina yoshiakiozawai
 * † Paragastrioceras – tentative report
 * † Paraglobivalvulina
 * † Paraglobivalvulina mira
 * † Paralioclema
 * † Paralioclema eplicatum
 * † Parallelodon
 * † Parallelodon longus – or unidentified comparable form
 * † Parallelodon multistriatus – or unidentified comparable form
 * † Parallelodon tenuistriatus – or unidentified comparable form
 * † Paralyttonia
 * † Paralyttonia kesennumensis – type locality for species
 * † Paralyttonia kesennumensis
 * † Paraphillipsia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Paraphillipsia
 * † Paraphillipsia levigata – type locality for species
 * † Paraphillipsia middlemissi – or unidentified related form
 * † Pararigbyella
 * † Pararigbyella doulingensis
 * † Paraschwagerina
 * † Parasphenophyllum
 * † Paraspiriferina
 * † Parastacheoceras – type locality for genus
 * † Parastacheoceras bidentatus – type locality for species
 * † Parastenopoceras
 * † Paratirolites – tentative report
 * † Paratirolites
 * † Paratirolites compressus
 * † Paratrizygia
 * † Parawentzelella
 * † Paroertlispongus – tentative report
 * † Paroertlispongus fontainei
 * † Partisania
 * † Patella – tentative report
 * † Pecopteris
 * † Peltichia
 * † Peltichia transversa – or unidentified comparable form
 * † Peniculauris
 * † Penniretepora
 * † Penniretepora akagii – type locality for species
 * † Penniretepora higashiyamensis – type locality for species
 * † Penniretepora irregularis – or unidentified comparable form
 * † Penniretepora regularis – type locality for species
 * † Permianella
 * † Permianella typica
 * † Permocerithium – type locality for genus
 * † Permocerithium – tentative report
 * † Permocerithium nudum – type locality for species
 * † Permolioclema
 * † Permolioclema akiyoshiensis – type locality for species
 * † Permoperna
 * † Permoperna trapezoidalis – type locality for species
 * † Permoperna trapezoidalis
 * † Permophorus
 * † Permophorus tenuistriatus – type locality for species
 * † Permophricodothyris
 * † Permophricodothyris caroli – or unidentified comparable form
 * † Permophricodothyris elegantula
 * † Permophricodothyris grandis
 * † Permophricodothyris indica
 * † Permophricodothyris squamularioides
 * † Permorthotetes – or unidentified comparable form
 * † Permorthotetes callytharrensis
 * † Permundaria – type locality for genus
 * † Permundaria
 * † Permundaria asiatica – type locality for species
 * † Permundaria asiatica
 * † Permundaria tenuistriata – type locality for species
 * † Permundaria tenuistriata
 * † Pernopecten – tentative report
 * † Pernopecten
 * † Pernopecten terukoae – type locality for species
 * † Perrinites
 * † Perrinites vidriensis – or unidentified related form
 * † Petalaxis
 * † Petalaxis sandoi – type locality for species
 * † Petalodus
 * † Petalodus acuminatus
 * † Petalodus allegheniensis
 * † Petasmaia
 * † Petasmaia expansa
 * † Petrodus – tentative report
 * † Petrodus
 * † Phestia
 * † Phestia konnoi
 * † Phricodothyris – tentative report
 * † Phricodothyris
 * † Phricodothyris asiatica – or unidentified comparable form
 * † Phricodothyris catatona – or unidentified related form
 * † Phricodothyris catatona
 * † Phricodothyris echinata
 * † Phricodothyris kawaiensis – type locality for species
 * † Phricodothyris subrostrata – or unidentified comparable form
 * † Phymatifer
 * † Phymatifer pugiloides – type locality for species
 * † Plagioglypta – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Plagioglypta
 * † Plagioglypta herculea
 * † Plagioglypta prisca – or unidentified comparable form
 * † Planocoenites
 * † Planocoenites ozakii – type locality for species
 * † Planocoenites ozakii
 * † Platyzona
 * † Platyzona eulkaiensis
 * † Pleuronautilus
 * † Pleuronautilus yahagiensis – type locality for species
 * † Plicacerithium – tentative report
 * † Plicatomurus
 * † Poecilodus
 * † Poikilosakos
 * † Poikilosakos kamiyassensis – type locality for species
 * † Polidevcia – tentative report
 * † Polypora
 * † Polypora eliasi – type locality for species
 * † Polypora fujitae – type locality for species
 * † Polytaxis
 * † Polytylites
 * † Polytylites kitanipponica – type locality for species
 * † Porcellia
 * † Porcellia puzoidea – type locality for species
 * † Posidonia
 * † Postendothyra
 * † Postendothyra guangxiensis
 * † Postendothyra tenuis
 * † Praemichelinia
 * † Praemichelinia lii – type locality for species
 * † Prismopora
 * † Productus
 * † Productus humboldtii
 * † Productus irginae
 * † Promytilus
 * † Promytilus maiyensis – type locality for species
 * † Promytilus maiyensis – tentative report
 * † Propinacoceras
 * † Propinacoceras galilaei – or unidentified related form
 * † Prostacheoceras
 * † Protomichelinia
 * † Protomichelinia multitabulata
 * † Protorcula
 * † Protorcula permiana – type locality for species
 * † Protoretepora
 * † Protoretepora hayasakae – type locality for species
 * † Protostylus – tentative report
 * † Protostylus
 * † Prototoceras
 * † Prototoceras japonicum – type locality for species
 * † Pseudagathiceras
 * † Pseudagathiceras ornatum – type locality for species
 * † Pseudamplexus
 * † Pseudoactinodontophora – type locality for genus
 * † Pseudoactinodontophora yabei – type locality for species
 * † Pseudoalbaillella
 * † Pseudoalbaillella elegans
 * † Pseudoalbaillella fusiformis – or unidentified related form
 * † Pseudoalbaillella globosa – or unidentified related form
 * † Pseudoalbaillella lomentaria
 * † Pseudoalbaillella longicornis – or unidentified related form
 * † Pseudoalbaillella longicornis – or unidentified comparable form
 * † Pseudoalbaillella sakmarensis
 * † Pseudoalbaillella simplex
 * † Pseudoalbaillella uforma
 * † Pseudobatostomella
 * † Pseudobatostomella igoi
 * † Pseudobatostomella kuramotoi – type locality for species
 * † Pseudochusenella
 * † Pseudochusenella cushmaniex gr.
 * † Pseudodoliolina
 * † Pseudodoliolina oliviformis
 * † Pseudodoliolina ozawai
 * † Pseudoendothyra – tentative report
 * † Pseudoendothyra
 * † Pseudofavosites – tentative report
 * † Pseudofusulina
 * † Pseudofusulina callosa – or unidentified comparable form
 * † Pseudofusulina kraffti – or unidentified comparable form
 * † Pseudofusulina kraffti
 * † Pseudofusulina paratschernyschewi
 * † Pseudofusulina vulgaris
 * † Pseudogastrioceras
 * † Pseudoglomospira
 * † Pseudolangella
 * † Pseudolangella fragilis
 * † Pseudopavona
 * † Pseudopavona taisyakuana
 * † Pseudopermophorus
 * † Pseudopermophorus uedai – type locality for species
 * † Pseudopermophorus uedai
 * † Pseudophillipsia
 * † Pseudophillipsia akasakensis – type locality for species
 * † Pseudophillipsia binodosa – type locality for species
 * † Pseudophillipsia binodosa – or unidentified comparable form
 * † Pseudophillipsia catena – type locality for species
 * † Pseudophillipsia hanaokensis – type locality for species
 * † Pseudophillipsia intermedia – type locality for species
 * † Pseudophillipsia kiriuensis – type locality for species
 * † Pseudophillipsia kiriuensis
 * † Pseudophillipsia kuzuensis
 * † Pseudophillipsia ozawai – type locality for species
 * † Pseudophillipsia sasakii – type locality for species
 * † Pseudophillipsia simplex – type locality for species
 * † Pseudophillipsia simplex – or unidentified comparable form
 * † Pseudophillipsia spatulifera – type locality for species
 * † Pseudophillipsia spatulifera
 * † Pseudophorus
 * † Pseudoreichelina
 * † Pseudoreichelina slovenica
 * † Pseudoromingeria
 * † Pseudoromingeria onishii – type locality for species
 * † Pseudoschwagerina – tentative report
 * † Pseudoschwagerina
 * † Pseudospongoprunum – tentative report
 * † Pseudotimania – tentative report
 * † Pseudotormentus
 * † Pseudotormentus kamigoriensis
 * † Pseudovidalina
 * † Pseudozaphrentoides
 * † Pseudozaphrentoides pseudoyohi
 * † Pseudozaphrentoides regularis – or unidentified comparable form
 * † Psygmophyllum
 * † Pterospirifer
 * † Pterospirifer alatus
 * † Ptychophyllum
 * † Purdonella
 * † Purdonella sadai – type locality for species
 * † Purdonella sadai
 * † Pyramus
 * † Pyramus planus – type locality for species
 * † Quadricaulis – type locality for genus
 * † Quadricaulis
 * † Quadricaulis femoris – type locality for species
 * † Quadricaulis inflata
 * † Quasifusulina – tentative report
 * † Quasifusulina
 * † Quasifusulina tenuissima
 * † Raciditor
 * † Raciditor gracilis – or unidentified comparable form
 * † Raciditor gracilis
 * † Raciditor scalae – or unidentified comparable form
 * † Raciditor scalae
 * † Raphconila
 * † Rauserella – tentative report
 * † Rauserella
 * † Rauserella ellipsoidalis
 * † Rectifenestella
 * † Rectifenestella retiformis – or unidentified comparable form
 * † Reichelina – tentative report
 * † Reichelina
 * † Reichelina changhsingensis
 * † Reichelina chichibuensis
 * † Reichelina media
 * † Reteporidra
 * † Reteporidra orientalis – type locality for species
 * † Reticulatia
 * † Reticulatia donetziana – or unidentified comparable form
 * † Retispira – tentative report
 * † Retispira
 * † Retispira hanzawai – type locality for species
 * † Rhabdomeson
 * † Rhabdomeson ofukuensis – type locality for species
 * † Rhabdomeson yabei – type locality for species
 * † Rhipidomella
 * † Rhipidomella hessensis
 * † Rhipidomella magna
 * † Rhizophyllum
 * † Rhombopora
 * † Rhynchopora
 * † Rhynchopora matsumotoi – type locality for species
 * † Richthofenia
 * † Roadoceras
 * † Robuloides – tentative report
 * † Robuloides
 * † Robuloides acutus
 * † Robuloides lens
 * † Romingeria
 * † Romingeria cristata – type locality for species
 * † Romingeria cristata
 * † Romundina
 * † Rostranteris
 * † Rotodiscoceras
 * † Roundyella
 * † Roundyella neopapillosa – type locality for species
 * † Rugaria
 * † Rugaria semicircularis – type locality for species
 * † Rugoconcha
 * † Rugosochusenella – tentative report
 * † Rugosofusulina
 * † Sandalodus
 * † Sanguinolites – tentative report
 * † Sanguinolites
 * † Sanguinolites kamiyassensis – type locality for species
 * † Scacchinella
 * † Scacchinella gigantea
 * † Scaldia – tentative report
 * † Schizodus
 * † Schizodus japonicus – type locality for species
 * † Schizophorites
 * † Schubertella – tentative report
 * † Schubertella
 * † Schubertella karasawensis
 * † Schubertella kingi
 * † Schubertella minutisphaera
 * † Schubertella ovalis – type locality for species
 * † Schubertella ovalis
 * † Schubertella silvestrii – or unidentified comparable form
 * † Schuchertella
 * † Schuchertella beyrichi – or unidentified comparable form
 * † Schuchertella semiplana
 * † Schwagerina – tentative report
 * † Schwagerina
 * † Schwagerina krotowi
 * † Septimyalina
 * † Septoglobivalvulina – tentative report
 * † Serratodus – tentative report
 * † Sestrophyllum
 * † Sestrophyllum fedorowskii – type locality for species
 * † Shamovella
 * † Shamovella carinthiacus
 * † Shamovella obscura
 * † Shansiella – tentative report
 * † Shensiphyllum
 * † Shikamaia – type locality for genus
 * † Shikamaia
 * † Shikamaia akasakaensis – type locality for species
 * † Shikamaia akasakaensis
 * † Shikokuspira – type locality for genus
 * † Shikokuspira hamadai – type locality for species
 * † Shwedagonia
 * † Shwedagonia collabra
 * † Sichotenella – tentative report
 * † Sichotenella
 * † Sichotenella ovoidea
 * † Sichotenella ussurica
 * † Sinopora
 * † Sinopora ryozensanensis – type locality for species
 * † Siphonodendron
 * † Siphonodendron hidense
 * † Siphonodendron hinense
 * † Sochkineophyllum
 * † Sochkineophyllum shasimotoi – type locality for species
 * † Soleniscus
 * † Solenomorpha
 * † Solenomorpha elegantissima – type locality for species
 * † Solenopora
 * † Solenospira – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Solenospira multicostata – type locality for species
 * † Somoholites
 * † Somoholites miharanoroensis – type locality for species
 * † Sphaerulina – tentative report
 * † Sphaerulina
 * † Spinobairdia
 * † Spinomarginifera
 * † Spinomarginifera alpha
 * † Spinomarginifera ciliata – or unidentified related form
 * † Spinomarginifera kueichowensis – or unidentified related form
 * † Spinomarginifera kueichowensis
 * † Spinomarginifera lopingensis
 * † Spireitlina
 * † Spirifer – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Spirifer acutiplicatus – type locality for species
 * † Spiriferella – tentative report
 * † Spiriferella
 * † Spiriferella magna
 * † Spiriferella persaranae
 * † Spiriferella saranae
 * † Spiriferellina
 * † Spiriferellina cristata
 * † Spiriferellina nanbuensis – type locality for species
 * † Spiromphalus – type locality for genus
 * † Spiromphalus yabei – type locality for species
 * † Spiroscala
 * † Squamularia
 * † Srakaeosphaera
 * † Srakaeosphaera minuta
 * † Stacheoceras – tentative report
 * † Stacheoceras
 * † Stacheoceras giganteum – type locality for species
 * † Stacheoceras iwaizakense
 * † Stacheoceras iwaizakiense
 * † Stacheoceras otomoi – type locality for species
 * † Staffella – tentative report
 * † Staffella
 * † Stearoceras
 * † Stegocoelia
 * † Stegocoelia akasakaensis – type locality for species
 * † Stenopora
 * † Stenopora toriyamai – type locality for species
 * † Stenoscisma
 * † Stenoscisma japonica – type locality for species
 * † Stenoscisma margaritovi
 * † Stephanozyga
 * † Stephanozyga nishimurai – type locality for species
 * † Stigmosphaerostylus
 * † Stigmosphaerostylus itsukaichiensis – or unidentified comparable form
 * † Stigmosphaerostylus itsukaichiensis
 * † Straparollus
 * † Streblascotrypella
 * † Streblopteria – tentative report
 * † Streblopteria
 * † Streblopteria eichwaldi – or unidentified comparable form
 * † Streblospira
 * † Streblotrypa
 * † Streblotrypa amabilis – type locality for species
 * † Streblotrypa diaphragma – type locality for species
 * † Streblotrypa grossa – type locality for species
 * † Streblotrypa grossa
 * † Streblotrypa lineata – type locality for species
 * † Streblotrypa supergrossa – type locality for species
 * † Streblotrypa supergrossa
 * † Streblotrypella – tentative report
 * † Streptacis – tentative report
 * † Streptacis
 * † Streptacis orientalis – type locality for species
 * † Streptorhynchus
 * † Streptorhynchus kayseri
 * † Streptorhynchus pelargonatus
 * † Striatopora
 * † Striatopora sugiyamai – or unidentified comparable form
 * † Striatopora takayamaensis
 * † Strobeus
 * † Strobeus dongluoensis
 * † Strombodes
 * † Strophalosiina
 * † Strophalosiina tibetica
 * † Stutchburia – tentative report
 * † Sulcoretepora – tentative report
 * † Sulcoretepora
 * † Sulcoretepora complicata – type locality for species
 * † Sulcoretepora nipponica
 * † Syringopora
 * † Syringopora ichinotaniensis
 * † Syringoporella
 * † Syringoporella yamakoshii – type locality for species
 * † Tabulipora
 * † Tabulipora maculosa – or unidentified comparable form
 * † Tachylasma
 * † Taeniopteris
 * † Tainoceras
 * † Tainoceras abukumaense – type locality for species
 * † Tainoceras abukumaense
 * † Tainoceras carinatum – type locality for species
 * † Tainoceras kitakamiense – type locality for species
 * † Tainoceras kitakamiense
 * † Taisyakuphyllum
 * † Taisyakuphyllum nakazawae
 * † Tambanella – type locality for genus
 * † Tambanella gujoensis – type locality for species
 * † Tangshanella
 * † Tangshanella nakakuboensis – type locality for species
 * † Terrakea
 * † Terrakea japonica – type locality for species
 * † Terrakea nabekoshiyamensis – type locality for species
 * † Terrakea yanagidai – type locality for species
 * † Tethyochonetes
 * † Tethyochonetes guizhouensis
 * † Tetragregnon
 * † Tetrapaurinella – tentative report
 * † Tetraspongodiscus
 * † Tetrataxis – tentative report
 * † Tetrataxis
 * † Tetrataxis conica
 * † Thalassoceras – tentative report
 * † Thamniscus – tentative report
 * † Thamniscus problematicus – type locality for species
 * † Thamnopora
 * † Thamnopora itoae
 * † Thamnopora nicholsoni
 * † Thamnopora senzaii – type locality for species
 * † Thamnopora senzaii
 * † Thamnopora suberidaniensis – type locality for species
 * † Thamnoptychia
 * † Thamnoptychia mana
 * † Thamnosia
 * † Thamnosia nakadairensis – type locality for species
 * † Thamnosia nakadairensis
 * † Thysanopeltella
 * † Thysanopeltella pacuispinos
 * † Timaniella
 * † Timaniella festa – or unidentified comparable form
 * † Timorites – tentative report
 * † Timorites
 * † Timorites intermedium
 * † Timorites intermedius
 * † Timorites takaizumii – type locality for species
 * † Timorites takaizumii
 * † Toriyamaia – tentative report
 * † Toriyamaia
 * † Toriyamaia laxiseptata
 * † Towapteria
 * † Towapteria nipponica – type locality for species
 * † Towapteria nipponica – or unidentified comparable form
 * † Towapteria nipponica
 * † Trachydomia
 * † Trachydomia conica – type locality for species
 * † Trachydomia nodosa – or unidentified comparable form
 * † Trachydomia nodulosum – or unidentified comparable form
 * † Trachyspira
 * † Trachyspira magna – type locality for species
 * † Trachyspira magna
 * † Transennatia
 * † Transennatia gratiosa
 * † Transennatia margaritatus – or unidentified comparable form
 * † Triaenosphaera
 * † Trilonche
 * † Trilonche pseudocimeria – or unidentified comparable form
 * † Trilonche pseudocimeria
 * † Triplanospongos
 * † Triplanospongos angustus
 * † Triplanospongos musashiensis
 * † Triticites – tentative report
 * † Trizygia
 * † Trochonodus
 * † Trochonodus permianus – type locality for species
 * † Tropidelasma
 * † Tropidelasma curtum
 * † Tropidelasma yamasugensis – type locality for species
 * † Tropidodiscus
 * † Tropidodiscus nakazatensis – type locality for species
 * † Trypanocochlea
 * † Trypanocochlea parva – type locality for species
 * † Tryplasma
 * † Tryplasma ozakii – or unidentified related form
 * † Tschernyschewia
 * † Tschernyschewia typica
 * † Tuberitina
 * † Tylonautilus
 * † Tylonautilus permicus – type locality for species
 * † Tyloplecta
 * † Tyloplecta sinoindica
 * † Tyloplecta yangtzeensis
 * † Uncinunellina
 * † Uncinunellina hayasakai – type locality for species
 * † Uncinunellina shikokuensis – type locality for species
 * † Uncinunellina wangenheimi – or unidentified comparable form
 * † Urushtenoidea
 * † Urushtenoidea crenulata
 * † Vacunella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Vacunella
 * † Vacunella rostrata – type locality for species
 * † Vanganardia
 * † Vanganardia ambigua – type locality for species
 * † Vebericochlis – tentative report
 * † Vebericochlis
 * † Vebericochlis mazaevi – type locality for species
 * † Vediproductus
 * † Vediproductus mugenjin – type locality for species
 * † Vediproductus punctatiformis
 * † Verbeekiella – tentative report
 * † Verbeekina
 * † Verbeekina verbeeki
 * † Vervilleina
 * † Vescotoceras
 * † Vescotoceras japonicum
 * † Waagenella
 * † Waagenella jonesianus
 * † Waagenoceras
 * † Waagenoconcha
 * † Waagenoconcha asiatica
 * † Waagenoconcha imperfecta
 * † Waagenoconcha krystofovichi
 * † Waagenoconcha permocarbonica
 * † Waagenophyllum – tentative report
 * † Waagenophyllum
 * † Waagenophyllum akasakense
 * † Waagenophyllum akasakensis – or unidentified comparable form
 * † Waagenophyllum compactum – type locality for species
 * † Waagenophyllum compactum
 * † Waagenophyllum okinawense – type locality for species
 * † Waagenophyllum pulchrum – or unidentified related form
 * † Waagenophyllum virgalense
 * † Waagenophyllum yunnanense – type locality for species
 * † Wanganella
 * † Warthia
 * † Wentzelella
 * † Wentzelella nabaensis – type locality for species
 * † Wentzellophyllum
 * † Wentzellophyllum eguchii – type locality for species
 * † Wentzellophyllum kinkiense – type locality for species
 * † Wentzellophyllum kitakamiense – type locality for species
 * † Wentzellophyllum pacificum – type locality for species
 * † Wilkingia
 * † Worthenia
 * † Worthenia corrugata – or unidentified comparable form
 * † Worthenia multicarinata – or unidentified related form
 * † Wutuella
 * † Xenodiscus
 * † Xenodiscus carbonarius – or unidentified comparable form
 * † Yabeina – tentative report
 * † Yabeina
 * † Yabeina columbiana
 * † Yabeina elongata
 * † Yabeina globosa – tentative report
 * † Yabeina globosa
 * † Yabeina higoensis
 * † Yabeina kaizensis
 * † Yabeina katoi – tentative report
 * † Yabeina katoi
 * † Yabeina minuta
 * † Yabeina shiraiwensis
 * † Yakovlevia
 * † Yakovlevia greenlandica
 * † Yakovlevia kaluzinensis
 * † Yakovlevia mammata
 * † Yakovlevia mammatiformis
 * † Yakunopora – type locality for genus
 * † Yakunopora
 * † Yakunopora mabutii – type locality for species
 * † Yakunopora matsushitai – type locality for species
 * † Yangchienia
 * † Yangchienia compressa
 * † Yatsengia
 * † Yatsengia ibukiensis – or unidentified related form
 * † Yatsengia kuzuensis
 * † Yatsengia suzukii – type locality for species
 * † Yochelsonistylus – type locality for genus
 * † Yochelsonistylus
 * † Yochelsonistylus felixi – type locality for species
 * † Yochelsonistylus seussae – type locality for species
 * † Yokoyamaella
 * † Yokoyamaella tertioseptata – type locality for species
 * † Yokoyamaella tertioseptata
 * † Yokoyamaella yokoyamai
 * † Yuanophyllum – tentative report
 * † Yuanophyllum
 * † Yuanophyllum pauciseptatum – type locality for species
 * † Yujingella
 * † Yunnania – tentative report
 * † Zaphrentoides

Mesozoic

 * † Acaeniotyle
 * † Acaeniotyle umbilicata
 * † Acaeniotylopsis
 * † Acaeniotylopsis ghostensis
 * † Acaeniotylopsis sp. A0informal
 * † Acaeniotylopsis sp. SY01informal
 * † Acaeniotylopsis triacanthus
 * † Acaeniotylopsis variatus
 * † Acanthocircus
 * † Acanthocircus inuyamaensis
 * † Acanthocircus sp. Ainformal
 * † Acanthocircus sp. Binformal
 * † Acanthocircus sp. Cinformal
 * † Acanthocircus sp. Zinformal
 * † Acanthocircus suboblongus – or unidentified related form
 * † Acanthocircus suboblongus
 * † Acanthocircus trizonalis
 * † Acanthocythereis – tentative report
 * † Acanthocythereis sp.
 * † Acanthogyra
 * † Acanthogyra sp.
 * † Acanthogyra tosaensis – type locality for species
 * † Acanthogyra tosaensis
 * † Acanthosphaera
 * † Acanthosphaera sp.
 * † Acastea
 * † Acastea acer
 * † Acastea diaphorogona
 * † Acastea sp.
 * † Acesta
 * † Acesta goliathiformis
 * † Acharax
 * † Acharax cretacea
 * † Acharax mikasaensis – type locality for species
 * † Acila
 * † Acila himenourensis
 * † Acila hokkaidoensis – or unidentified comparable form
 * † Acila hokkaidoensis
 * † Acila pusilla
 * † Acila shimojimensis
 * † Acila sp.
 * † Acila tosaensis
 * † Acila yoshidai
 * † Acirsa
 * † Acirsa miyakoensis
 * † Acirsa ofunatoensis – type locality for species
 * † Acmaea – tentative report
 * † Acmaea moshiensis – type locality for species
 * † Acmaea moshiensis
 * † Aconeceras
 * † Aconeceras sp.
 * † Acrioceras
 * † Acrioceras sp.
 * † Acrioceras tabarelli – or unidentified related form
 * † Acrocythere – tentative report
 * † Acrocythere sp.
 * † Acrodus
 * † Acrodus sp.
 * † Acrodus spitzbergensis
 * † Acrosmilia
 * † Acrosmilia sp.
 * † Acrostichopteris
 * † Acrostichopteris sp. 1informal
 * † Acrostichopteris sp. 2informal
 * † Acrostichopteris sp. 3informal
 * † Acteon – tentative report
 * † Acteon sp.
 * † Actinacis – tentative report
 * † Actinacis miyakoensis – type locality for species
 * † Actinastrea – tentative report
 * † Actinastrea
 * † Actinastrea kellumi – or unidentified related form
 * † Actinastrea sp.
 * † Actinoceramus
 * † Actinoceramus concentricus – or unidentified comparable form
 * † Actinoceramus concentricus
 * † Actinomma – tentative report
 * † Actinomma
 * † Actinomma ishidai – or unidentified comparable form
 * † Actinomma ishidai
 * † Actinomma matsuokai
 * † Actinomma siciliensis – or unidentified related form
 * † Actinomma siciliensis
 * † Actinomma sp.
 * † Actinomma sp. Ainformal
 * † Actinomma sp. A2informal
 * † Actinomma sp. Binformal
 * † Actinomma sp. Cinformal
 * † Actinomma tochidaniensis
 * † Actinostreon
 * † Actinostreon gregareum
 * † Actinotubella
 * † Actinotubella gusici
 * † Ademosynoides
 * † Ademosynoides japonicus – type locality for species
 * † Adiantopteris
 * † Adiantopteris sp. 1informal
 * † Adiantopteris sp. 2informal
 * † Adiozoptyxis
 * † Adiozoptyxis hidakaensis
 * † Adiozoptyxis hidakensis
 * † Adocus
 * † Adocus sengokuensis – type locality for species
 * † Adocus sp.
 * † Aequipecten – tentative report
 * † Aequipecten kotsubu
 * † Aequipecten toyorensis
 * † Aequipecten vulgaris
 * † Afrollonia
 * † Afrollonia matsushimensis – type locality for species
 * † Agapella – tentative report
 * † Agapella koikorobensis
 * † Agathammina
 * † Agathammina austroalpina
 * † Agnomyax
 * † Agnomyax elegans
 * † Aguilerella
 * † Aguilerella nagatoensis
 * † Aguilerella quadrata
 * † Albaillella
 * † Albaillella spp.
 * † Albalophosaurus – type locality for genus
 * † Albalophosaurus yamaguchiorum – type locality for species
 * † Albanites
 * † Albanites sheldoni
 * † Alievium – tentative report
 * † Alievium
 * † Alievium gallowayi
 * † Alievium helenae
 * † Alievium nodulosum
 * † Alievium sp.
 * † Alievium superbum
 * † Allosaurus
 * † Allosaurus sp.
 * † Alpinophragmium
 * † Alpinophragmium perforatum
 * † Amakusatapes
 * † Amakusatapes ovatus
 * † Amauropsis
 * † Amauropsis importuna
 * † Ammobaculites – tentative report
 * † Ammobaculites
 * † Ammobaculites rhaeticus
 * † Ammobaculites sp.
 * † Ammodiscus
 * † Ammodiscus hashimotoi
 * † Ammonidea
 * † Ammonidea spec
 * † Amphiastrea
 * † Amphiastrea kamoensis – type locality for species
 * † Amphiastrea regularis
 * † Amphiastrea sp.
 * † Amphiastrea yabei – type locality for species
 * † Amphiastrea yabei
 * † Amphidonte
 * † Amphidonte subhaliotoidea
 * † Amphidonte yabei
 * † Amphimeandra – tentative report
 * † Amphimeandra eguchii – type locality for species
 * † Amphipyndax
 * † Amphipyndax mediocris
 * † Amphipyndax pseudoconulus
 * † Amphipyndax sp. Ainformal
 * † Amphipyndax stocki
 * † Amphipyndax strekta
 * † Amphipyndax tylotus
 * † Amuletum
 * † Amuletum sp.
 * † Amuria – tentative report
 * † Amuria
 * † Amuria impensa
 * † Amuria sp.
 * † Amygdalum
 * † Amygdalum ishidoense
 * † Anagaudryceras
 * † Anagaudryceras compressum – type locality for species
 * † Anagaudryceras compressum
 * † Anagaudryceras inflatus – or unidentified comparable form
 * † Anagaudryceras inflatus
 * † Anagaudryceras kawanoi – or unidentified comparable form
 * † Anagaudryceras limatum – or unidentified comparable form
 * † Anagaudryceras limatum
 * † Anagaudryceras matsumotoi – type locality for species
 * † Anagaudryceras matsumotoi
 * † Anagaudryceras sacya
 * † Anagaudryceras sp.
 * † Anagaudryceras varuna – or unidentified comparable form
 * † Anagaudryceras varuna
 * † Anagaudryceras yamashitai
 * † Anagaudryceras yokoyamai
 * † Anagymnites
 * † Anagymnites acutus – or unidentified related form
 * † Anahamulina
 * † Anahamulina sp.
 * † Anahamulina subcylindrica – or unidentified related form
 * † Anapachydiscus
 * † Anapachydiscus fascicostatus
 * † Anasibirites
 * † Anasibirites archiperipheras – type locality for species
 * † Anasibirites ehimensis – type locality for species
 * † Anasibirites intermedius – type locality for species
 * † Anasibirites kingianus
 * † Anasibirites multiplicatus
 * † Anasibirites onoi – type locality for species
 * † Anasibirites pacificus – type locality for species
 * † Anasibirites shimizui – type locality for species
 * † Anasibirites sp. Ainformal
 * † Anasibirites sp. Binformal
 * † Anasibirites sp. Cinformal
 * † Anaticapitula – tentative report
 * † Anaticapitula
 * † Anaticapitula anatiformis
 * † Anaticapitula omanensis
 * † Anaticapitula sp.
 * † Anglonautilus
 * † Anglonautilus japonicus – type locality for species
 * † Anglonautilus japonicus
 * † Anglonautilus mamiyai – type locality for species
 * † Angulobracchia – tentative report
 * † Angulobracchia
 * † Angulobracchia digitata
 * † Angulobracchia sicula
 * † Angulobracchia sp.
 * † Angulobracchia sp. Ainformal
 * † Angulobracchia sp. Binformal
 * † Angulobracchia sp. Cinformal
 * † Angulobracchia sp. T010informal
 * † Anisicyrtis – tentative report
 * † Anisicyrtis
 * † Anisicyrtis jurassica – or unidentified related form
 * † Anisicyrtis jurassica
 * † Anisicyrtis perarmatus
 * † Anisicyrtis sp.
 * † Anisicyrtis sp. Ainformal
 * † Anisicyrtis sp. Binformal
 * † Anisicyrtis sp. Cinformal
 * † Anisicyrtis sp. Dinformal
 * † Anisicyrtis sp. Einformal
 * † Anisicyrtis sp. Finformal
 * † Anisicyrtis sp. Ginformal
 * † Anisicyrtis sp. Hinformal
 * † Anisicyrtis sp. Iinformal
 * † Anisicyrtis sp. Jinformal
 * † Anisicyrtis sp. Kinformal
 * † Anisicyrtis sp. T015informal
 * † Anisicyrtis yaoi
 * † Anisocardioides
 * † Anisocardioides hulinensis
 * † Anisoceras
 * † Anisoceras sp.
 * † Anisomyon
 * † Anisomyon sp.
 * † Ankitokazocaris
 * † Ankitokazocaris bandoi – type locality for species
 * † Annulariopsis
 * † Annulariopsis sp. 1informal
 * † Annulotriassocampe
 * † Annulotriassocampe campanilis – or unidentified comparable form
 * † Annulotriassocampe campanilis
 * † Anomalochelys – type locality for genus
 * † Anomalochelys angulata – type locality for species
 * † Anomatodon
 * † Anomatodon sp.
 * † Anomia – tentative report
 * † Anomia
 * † Anomia foldia
 * † Anomia hataei
 * † Anomia hateaei
 * † Anomia subovalis
 * † Anomozamites
 * † Anomozamites sp. 1informal
 * † Anthonya
 * † Anthonya amakusensis – type locality for species
 * † Anthonya amakusensis
 * † Anthonya apicalis – or unidentified comparable form
 * † Anthonya apicalis
 * † Anthonya japonica
 * † Anthonya mifunensis
 * † Anthonya subcantiana
 * † Antiquilima
 * † Antiquilima nagatoensis
 * † Antiquilima ultima
 * † Aokiichthys – type locality for genus
 * † Aokiichthys
 * † Aokiichthys changae – type locality for species
 * † Aokiichthys otai – type locality for species
 * † Aokiichthys praedorsalis – type locality for species
 * † Aokiichthys sp.
 * † Aokiichthys toriyamai – type locality for species
 * † Aokiichthys uyenoi – type locality for species
 * † Aphrodina
 * † Aphrodina hataii
 * † Aphrodina izumensis
 * † Aphrodina pseudoplana
 * † Aphrodina sp.
 * † Apiotrigonia
 * † Apiotrigonia crassoradiata
 * † Apiotrigonia dubia
 * † Apiotrigonia granosa
 * † Apiotrigonia himenourensis
 * † Apiotrigonia minor
 * † Apiotrigonia obliquecostata
 * † Apiotrigonia obsoleta
 * † Apiotrigonia postonodosa
 * † Apiotrigonia subovalis
 * † Apiotrigonia undulosa
 * † Apiotrigonia utoensis
 * † Aplocoma
 * † Aplocoma sp.
 * † Aplosmilia – tentative report
 * † Aplosmilia somaensis – type locality for species
 * † Aplosmilia sp.
 * † Aplosmilia tochikuboensis – type locality for species
 * † Aquatilavipes
 * † Aquatilavipes izumiensis – type locality for species
 * † Araucarites
 * † Araucarites sp. 1informal
 * † Araucarites sp. 2informal
 * † Arca
 * † Arca tashiroi
 * † Arcanicapsa – tentative report
 * † Arcanicapsa
 * † Arcanicapsa sp. Ainformal
 * † Arcanicapsa sp. A0informal
 * † Arcanicapsa sp. Binformal
 * † Arcanicapsa sp. Cinformal
 * † Arcanicapsa sp. Dinformal
 * † Arcanicapsa sp. Einformal
 * † Arcanicapsa sp. Finformal
 * † Arcanicapsa sp. Hinformal
 * † Arcanicapsa sp. H2informal
 * † Arcanicapsa sp. Iinformal
 * † Arcanicapsa sp. Jinformal
 * † Arcanicapsa sp. Kinformal
 * † Arcanicapsa sphaerica
 * † Archaeocenosphaera – tentative report
 * † Archaeocenosphaera
 * † Archaeocenosphaera laseekensis
 * † Archaeocenosphaera sp.
 * † Archaeocenosphaera sp. Ainformal
 * † Archaeocenosphaera sp. A0informal
 * † Archaeocenosphaera sp. A2informal
 * † Archaeocenosphaera sp. Binformal
 * † Archaeocenosphaera sp. B0informal
 * † Archaeocenosphaera sp. B2informal
 * † Archaeocenosphaera sp. Cinformal
 * † Archaeocenosphaera sp. C2informal
 * † Archaeocenosphaera sp. Dinformal
 * † Archaeocenosphaera sp. D2informal
 * † Archaeocenosphaera sp. Xinformal
 * † Archaeocenosphaera sp. Yinformal
 * † Archaeocenosphaera sp. Zinformal
 * † Archaeocenosphaera sp. Z0informal
 * † Archaeodictyomitra
 * † Archaeodictyomitra apiarium
 * † Archaeodictyomitra excellens
 * † Archaeodictyomitra gifuensis
 * † Archaeodictyomitra lamellicostata
 * † Archaeodictyomitra minoensis
 * † Archaeodictyomitra mitra
 * † Archaeodictyomitra munda
 * † Archaeodictyomitra riedeli
 * † Archaeodictyomitra rigida – or unidentified comparable form
 * † Archaeodictyomitra shengi
 * † Archaeodictyomitra sp.
 * † Archaeodictyomitra sp. Ainformal
 * † Archaeodictyomitra sp. Binformal
 * † Archaeodictyomitra sp. Cinformal
 * † Archaeodictyomitra sp. SY01informal
 * † Archaeodictyomitra sp. SY02informal
 * † Archaeodictyomitra squinaboli
 * † Archaeodictyomitra triplum
 * † Archaeodictyomitra tumandae
 * † Archaeohagiastrum
 * † Archaeohagiastrum longipes
 * † Archaeohagiastrum munitum
 * † Archaeohagiastrum sp. Einformal
 * † Archaeopus
 * † Archaeopus ezoensis
 * † Archaeosemantis
 * † Archaeosemantis cristianensis
 * † Archaeosemantis sp.
 * † Archaeospongoprunum
 * † Archaeospongoprunum bipartitum
 * † Archaeospongoprunum cortinaensis
 * † Archaeospongoprunum imlayi
 * † Archaeospongoprunum klingi
 * † Archaeospongoprunum mesotriassicum
 * † Archaeospongoprunum praelongum
 * † Archaeospongoprunum salumi
 * † Archaeospongoprunum sp.
 * † Archaeospongoprunum sp. Ainformal
 * † Archaeospongoprunum sp. A0informal
 * † Archaeospongoprunum sp. A2informal
 * † Archaeospongoprunum sp. Binformal
 * † Archaeospongoprunum sp. B0informal
 * † Archaeospongoprunum sp. B2informal
 * † Archaeospongoprunum sp. B3informal
 * † Archaeospongoprunum sp. Cinformal
 * † Archaeospongoprunum sp. Dinformal
 * † Archaeospongoprunum sp. Einformal
 * † Archaeospongoprunum tehamaensis
 * † Archaeospongoprunum triplum
 * † Archaeozostera
 * † Archaeozostera longfolia
 * † Archaeozostera longifolia – type locality for species
 * † Archaeozostera longifolia
 * † Archaeozostera minor – type locality for species
 * † Archaeozostera minor
 * † Archaeozostera pinnata – type locality for species
 * † Archaeozostera pinnata
 * † Archaeozostera sp.
 * † Archaeromma
 * † Archaeromma japonicum – type locality for species
 * † Archeodictyomitra
 * † Archeodictyomitra minoensis
 * † Archeozostera – type locality for genus
 * † Archeozostera
 * † Archeozostera lineata – type locality for species
 * † Archeozostera lineata
 * † Archicapsa – tentative report
 * † Archicapsa
 * † Archicapsa pachyderma
 * † Archicapsa sp.
 * † Archicapsa sp. Ainformal
 * † Archicapsa sp. Binformal
 * † Archicapsa sp. Cinformal
 * † Archicapsa sp. C0informal
 * † Archicapsa sp. Dinformal
 * † Archicapsa sp. Einformal
 * † Archimedea
 * † Archimedea rigida
 * † Arcomytilus
 * † Arcomytilus dairensis
 * † Arcomytilus laitmairensis – or unidentified comparable form
 * † Arcomytilus laitmairensis
 * † Arctacanthus
 * † Arctacanthus exiguus – type locality for species
 * † Arctacanthus exiguus
 * † Arcthoplites
 * † Arcthoplites sp.
 * † Arcticopora
 * † Arcticopora kobayashii – type locality for species
 * † Arcticopora kobayashii
 * † Arctoprionites
 * † Arctoprionites minor – type locality for species
 * † Arctoprionites nipponicus – type locality for species
 * † Arctoprionites yeharai – type locality for species
 * † Arctostrea
 * † Arctostrea carinatum
 * † Arculicythere – tentative report
 * † Arculicythere sp.
 * † Arenovidalina
 * † Arenovidalina chialingchiangiensis
 * † Ares – tentative report
 * † Ares
 * † Ares armatus
 * † Ares cuniculiformis
 * † Ares cylindricus
 * † Ares sp.
 * † Ares sp. Ainformal
 * † Ares sp. A02informal
 * † Ares sp. Binformal
 * † Ares sp. Cinformal
 * † Ares sp. Dinformal
 * † Argonauticeras
 * † Argonauticeras sp.
 * † Arieticeras
 * † Arieticeras pseudocanavarii – or unidentified comparable form
 * † Arnautoceltites
 * † Arnautoceltites sp.
 * † Arrhoges
 * † Arrhoges hayamii – type locality for species
 * † Artostrobium – tentative report
 * † Artostrobium
 * † Artostrobium pirum
 * † Artostrobium sp.
 * † Artostrobium tina
 * † Artostrobium urna
 * † Asagaolacerta – type locality for genus
 * † Asagaolacerta tricuspidens – type locality for species
 * † Asianopodus – type locality for genus
 * † Asianopodus pulvinicalx – type locality for species
 * † Aspenites
 * † Aspenites sp.
 * † Astarte – tentative report
 * † Astarte
 * † Astarte akatsui
 * † Astarte costata
 * † Astarte defecta
 * † Astarte higoensis
 * † Astarte iwayai
 * † Astarte kambarensis
 * † Astarte kumamotoensis
 * † Astarte minor
 * † Astarte ogawensis
 * † Astarte sakamotoensis
 * † Astarte semicostata
 * † Astarte shimanoensis
 * † Astarte shinanoensis
 * † Astarte sp.
 * † Astarte spitiensis – or unidentified comparable form
 * † Astarte subomalioides
 * † Astarte subomalioiides
 * † Astarte subsenecta
 * † Asteracanthus
 * † Asteracanthus somaensis
 * † Asteracanthus sp.
 * † Astrocenturnus
 * † Astrocenturnus sp.
 * † Astrocoenia – tentative report
 * † Astrocoenia sp.
 * † Ataphrus
 * † Ataphrus desori – or unidentified comparable form
 * † Ataphrus nipponicus
 * † Ataphrus sp.
 * † Ataphrus yokoyamai
 * † Ataphrus yokoyomai
 * † Atira
 * † Atira tricarinata – type locality for species
 * † Atira tricarinata
 * † Atreta
 * † Atreta intsulaevis
 * † Atrina
 * † Atrina heiensis
 * † Aulotortus
 * † Aulotortus sinuosusex gr.
 * † Austrotindaria
 * † Austrotindaria canalensis – or unidentified related form
 * † Austrotindaria canalensis
 * † Avellana
 * † Avellana sp.
 * † Axiothea
 * † Axiothea posthernsteini
 * † Axosmilia
 * † Axosmilia hayasakai – type locality for species
 * † Axosmilia hideshimaensis – type locality for species
 * † Axosmilia renevieri – or unidentified comparable form
 * † Baccanella
 * † Baccanella floriformis
 * † Bacinella
 * † Bacinella irregularis
 * † Bacinella sp.
 * † Baculites
 * † Baculites bailyi – or unidentified comparable form
 * † Baculites bailyi
 * † Baculites inornatus
 * † Baculites sp.
 * † Baculites subanceps
 * † Baculites yokoyamai – or unidentified comparable form
 * † Bacutriletes
 * † Bacutriletes arnoldii
 * † Bagotum
 * † Bagotum erraticum
 * † Bagotum maudense
 * † Bagotum modestum
 * † Bagotum pseudoerraticum
 * † Bagotum sp.
 * † Bagotum spp.
 * † Baiera
 * † Baiera sp. 1informal
 * † Baiera sp. 2informal
 * † Baiera sp. 3informal
 * † Baiera sp. 4informal
 * † Baiera sp. 5informal
 * † Baiera sp. 6informal
 * † Baiera sp. 7informal
 * † Bakevellia – tentative report
 * † Bakevellia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Bakevellia
 * † Bakevellia araiensis
 * † Bakevellia cassianelloides
 * † Bakevellia hekiensis
 * † Bakevellia kambei – type locality for species
 * † Bakevellia kambei – or unidentified comparable form
 * † Bakevellia kambei
 * † Bakevellia magnissima
 * † Bakevellia matsushitai – or unidentified related form
 * † Bakevellia matsushitai
 * † Bakevellia monobensis
 * † Bakevellia nagatoensis
 * † Bakevellia narawarensis
 * † Bakevellia negoyensis
 * † Bakevellia ohishiensis
 * † Bakevellia okuyamensis – or unidentified comparable form
 * † Bakevellia okuyamensis
 * † Bakevellia ominensis
 * † Bakevellia otariensis
 * † Bakevellia oyogiensis
 * † Bakevellia pseudorostrata
 * † Bakevellia rostrata – or unidentified comparable form
 * † Bakevellia rostrata
 * † Bakevellia saekii
 * † Bakevellia shinanoensis
 * † Bakevellia sp.
 * † Bakevellia subhekiensis
 * † Bakevellia tadai
 * † Bakevellia trigona
 * † Bakevellia tsuzuradaniensis – type locality for species
 * † Bakevellia tsuzuradaniensis
 * † Balatonites
 * † Balatonites oyamai – type locality for species
 * † Bantamia – type locality for genus
 * † Bantamia hiraigaensis – type locality for species
 * † Barbatia
 * † Barbatia hibiharensis
 * † Barremites
 * † Barremites difficilis – or unidentified related form
 * † Barremites sp.
 * † Barremites strettostoma – or unidentified related form
 * † Barroisiceras
 * † Barroisiceras onilahyense
 * † Barroisiceras sp.
 * † Baryphyllia – tentative report
 * † Baryphyllia tosaensis – type locality for species
 * † Basilemys
 * † Basilemys sp.
 * † Bathraspira
 * † Bathraspira excavata
 * † Bathropyramis
 * † Bathropyramis campbelli
 * † Bathyacmaea
 * † Bathyacmaea nipponica – or unidentified comparable form
 * † Bathysiphon
 * † Bathysiphon akanosawensis
 * † Bathysiphon alexanderi
 * † Batissa
 * † Batissa antiqua
 * † Bernoullius – tentative report
 * † Bernoullius
 * † Bernoullius delnortensis
 * † Bernoullius dicera
 * † Bernoullius furcospinus
 * † Bernoullius rectispinus
 * † Bernoullius sp.
 * † Bernoullius sp. A0informal
 * † Bernoullius sp. Cinformal
 * † Bernoullius sp. Einformal
 * † Betraccium
 * † Betraccium sp.
 * † Bicorbula
 * † Bicorbula pyriforma
 * † Bicorbula ushibukensis
 * † Bipedis – tentative report
 * † Bipedis
 * † Bipedis acrostylusex gr.
 * † Bipedis japonicus – type locality for species
 * † Bipedis japonicus
 * † Bipedis sp.
 * † Bipedis yaoi – type locality for species
 * † Bipedis yaoi
 * † Biplica
 * † Biplica osakensis – type locality for species
 * † Biplica sphaerica – type locality for species
 * † Bispiranella
 * † Bispiranella sp.
 * † Bistarkum – tentative report
 * † Bistarkum
 * † Bistarkum mangartense
 * † Bistarkum phantomense
 * † Bistarkum rigidium
 * † Bistarkum rigidum
 * † Bistarkum saginatum
 * † Bistarkum sp.
 * † Bistarkum sp. A1informal
 * † Bistarkum sp. Binformal
 * † Bistarkum sp. Cinformal
 * † Bistarkum sp. C1informal
 * † Bistarkum sp. Dinformal
 * † Bistarkum sp. Einformal
 * † Boreiospira – tentative report
 * † Boreiospira sp.
 * † Bositra
 * † Bositra japonica
 * † Bositra ornati – or unidentified comparable form
 * † Bositra sp.
 * † Bositra sp. Ainformal
 * † Brachidontes
 * † Brachidontes mashikensis
 * † Brachidontes nankoi
 * † Brachidontes pyriformis
 * † Brachyphyllum
 * † Brachyphyllum sp. 1informal
 * † Brewericeras – tentative report
 * † Brewericeras sp.
 * † Brisia
 * † Brisia onychioides
 * † Broctus
 * † Broctus ruesti
 * † Broctus sp.
 * † Brontiopsis
 * † Brontiopsis sp.
 * † Brotiopsis
 * † Brotiopsis kobayashii
 * † Brotiopsis spp.
 * † Brotiopsis wakinoensis
 * † Brunonia – tentative report
 * † Brunonia
 * † Brunonia annulata
 * † Brunonia sp.
 * † Brunonia undulata – type locality for species
 * † Burmesia
 * † Burmesia japonica
 * † Byakudansauropus – type locality for genus
 * † Byakudansauropus shiraminensis – type locality for species
 * † Caestocorbula
 * † Caestocorbula minima
 * † Caestocorbula morinoi
 * † Caestocorbula shikamai – or unidentified comparable form
 * † Calamophyllia
 * † Calamophyllia sp.
 * † Callianassa
 * † Callianassa sakakuraorum
 * † Calliomphalus
 * † Calliomphalus aptianus – type locality for species
 * † Calliostoma – tentative report
 * † Calliostoma ojii
 * † Calliostoma sp.
 * † Calliphylloceras – tentative report
 * † Calliphylloceras
 * † Calliphylloceras sp.
 * † Callista – tentative report
 * † Callista sp.
 * † Calycoceras
 * † Calycoceras naviculare – or unidentified related form
 * † Calycoceras naviculare – or unidentified comparable form
 * † Calycoceras orientale – or unidentified comparable form
 * † Campilophyllum
 * † Campilophyllum sp. 1informal
 * † Camptonectes – tentative report
 * † Camptonectes
 * † Camptonectes auritus – or unidentified comparable form
 * † Camptonectes browni – or unidentified related form
 * † Camptonectes inexpectatus
 * † Camptonectes mimikirensis
 * † Camptonectes oishii
 * † Camptonectes sp.
 * † Camptonectes subflabelliformis
 * † Camptonectes torinosuensis
 * † Camptonectes triadicus
 * † Canadoceras
 * † Canadoceras kossmati
 * † Canadoceras multicostatum
 * † Canadospira
 * † Canadospira canadensis
 * † Canavaria
 * † Canavaria japonica
 * † Canesium
 * † Canesium lentum
 * † Canoptum – tentative report
 * † Canoptum
 * † Canoptum annulatum – or unidentified comparable form
 * † Canoptum anulatum
 * † Canoptum artum
 * † Canoptum merum
 * † Canoptum pessagnoi – or unidentified comparable form
 * † Canoptum poissoni – or unidentified comparable form
 * † Canoptum poissoni
 * † Canoptum rugosum – or unidentified comparable form
 * † Canoptum rugosum
 * † Canoptum sp.
 * † Canoptum sp. Ainformal
 * † Canoptum sp. A0informal
 * † Canoptum sp. A2informal
 * † Canoptum sp. Binformal
 * † Canoptum sp. Cinformal
 * † Canoptum sp. Dinformal
 * † Canoptum sp. Einformal
 * † Canoptum sp. Ninformal
 * † Canoptum sp. Oinformal
 * † Canoptum sp. T024informal
 * † Canoptum spinosum
 * † Canoptum spp.
 * † Canoptum triassicum – or unidentified comparable form
 * † Canoptum triassicum
 * † Canutus
 * † Canutus rennellensis
 * † Canutus spp.
 * † Capnodoce
 * † Capnodoce sp.
 * † Capnuchosphaera
 * † Capnuchosphaera colemani – or unidentified comparable form
 * † Capnuchosphaera triassica – or unidentified comparable form
 * † Caprina
 * † Caprina uwajimensis
 * † Cardinia
 * † Cardinia misawensis
 * † Cardinia orientalis
 * † Cardinia toriyamai
 * † Cardinia triadica
 * † Cardinioides
 * † Cardinioides japonicus
 * † Cardinioides ovatus
 * † Cardinioides varidus
 * † Cardium – tentative report
 * † Cardium naganoense
 * † Caririchnium
 * † Caririchnium sp.
 * † Carpolithes
 * † Carpolithes sp.
 * † Cassianella – tentative report
 * † Cassianella dubia
 * † Cassiope
 * † Cassiope neumayri
 * † Cassiope ogaii – type locality for species
 * † Cassiope ogaii
 * † Cassiope sp.
 * † Cataceramus
 * † Cataceramus japonicus
 * † Caturus
 * † Caturus tenuidens
 * † Cayeuxia
 * † Cayeuxia sp.
 * † Celyphia
 * † Celyphia minima – tentative report
 * † Celyphia zoldana
 * † Cenosphaera
 * † Cenosphaera andoi – type locality for species
 * † Cephalotaxopsis
 * † Cephalotaxopsis sp. 1informal
 * † Ceratosiphon
 * † Ceratosiphon densestriatus
 * † Ceratosiphon giganteus
 * † Ceratosiphon sp.
 * † Cercomya
 * † Cercomya gurgitis
 * † Cercomya sp.
 * † Chaetetopsis
 * † Chaetetopsis crinita
 * † Chariocrinus
 * † Chariocrinus japonicus – type locality for species
 * † Charlottea
 * † Charlottea hotaoensis
 * † Charlottea penderi
 * † Charlottea sp.
 * † Charlottea sp. Ainformal
 * † Charlottea sp. A informal
 * † Cheloniceras
 * † Cheloniceras minimus – or unidentified related form
 * † Cheloniceras parinodum – or unidentified related form
 * † Cheloniceras shimizui
 * † Cheloniceras sp.
 * † Chilodonta
 * † Chilodonta antiqua – or unidentified comparable form
 * † Chlamys
 * † Chlamys awazuensis
 * † Chlamys camptonectoides
 * † Chlamys iboibo
 * † Chlamys kobayashii
 * † Chlamys kotakiensis
 * † Chlamys kurumensis
 * † Chlamys mitaraiensis
 * † Chlamys mojsisovicsi
 * † Chlamys robinaldina
 * † Chlamys shikokuensis
 * † Chlamys subacuta – or unidentified comparable form
 * † Chlamys textoria
 * † Chosia – type locality for genus
 * † Chosia yamadai – type locality for species
 * † Chuhsiungichthys
 * † Chuhsiungichthys sp.
 * † Chuhsiungichthys yanagidai – type locality for species
 * † Cibicides
 * † Cibicides obiraensis
 * † Cidaris – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Cidaris sp.
 * † Cimolithium – tentative report
 * † Cimolithium
 * † Cimolithium miyakoense
 * † Cinguloturris
 * † Cinguloturris carpatica
 * † Cinguloturris cylindra
 * † Cinguloturris fusiforma – type locality for species
 * † Cinguloturris fusiforma
 * † Cirsocerithium
 * † Cirsocerithium reticulatum
 * † Citriduma
 * † Citriduma hexaptera
 * † Citriduma sp.
 * † Citriduma sp. Binformal
 * † Citriduma sp. Cinformal
 * † Cladogirvanella
 * † Cladogirvanella cipitensis
 * † Cladophlebidium
 * † Cladophlebidium sp. 1informal
 * † Cladophlebis
 * † Cladophlebis denticulate
 * † Cladophlebis geyleriana
 * † Cladophlebis sp.
 * † Cladophlebis sp. 1informal
 * † Cladophlebis sp. 10informal
 * † Cladophlebis sp. 11informal
 * † Cladophlebis sp. 12informal
 * † Cladophlebis sp. 13informal
 * † Cladophlebis sp. 14informal
 * † Cladophlebis sp. 2informal
 * † Cladophlebis sp. 3informal
 * † Cladophlebis sp. 4informal
 * † Cladophlebis sp. 5informal
 * † Cladophlebis sp. 6informal
 * † Cladophlebis sp. 7informal
 * † Cladophlebis sp. 8informal
 * † Cladophlebis sp. 9informal
 * † Claraia
 * † Claraia pulchella – type locality for species
 * † Claraia pulchella
 * † Claraia sp.
 * † Claraia sp. ainformal
 * † Claraia sp. binformal
 * † Clathrocyclas
 * † Clathrocyclas hyronica
 * † Clathropenna – type locality for genus
 * † Clathropenna rugosa – type locality for species
 * † Clathropteris
 * † Clathropteris sp. 1informal
 * † Clathropteris sp. 2informal
 * † Clathropteris sp. 3informal
 * † Cleoniceras – tentative report
 * † Cleoniceras sp.
 * † Clioscaphites
 * † Clioscaphites sp.
 * † Clisocolus
 * † Clisocolus crenulatus
 * † Clisocolus japonica
 * † Clisocolus odochiensis – type locality for species
 * † Clypeina
 * † Clypeina sp.
 * † Cnestriella
 * † Cnestriella cuneistriata
 * † Coelastarte
 * † Coelastarte cardiniiformis
 * † Coelastarte somensis
 * † Coeloceras – tentative report
 * † Coeloceras sp.
 * † Coelopis
 * † Coelopis tanourensis
 * † Coleia
 * † Coleia uzume – type locality for species
 * † Collignoniceras
 * † Collignoniceras woolgari
 * † Collignoniceras woollgari – or unidentified comparable form
 * † Colombellina
 * † Colombellina brevisiphonata
 * † Colospongia
 * † Colospongia sp.
 * † Columbites
 * † Columbites parisianus
 * † Columnocoenia
 * † Columnocoenia aokii – type locality for species
 * † Columnocoenia nipponica – type locality for species
 * † Columnocoenia nipponica – or unidentified related form
 * † Columnocoenia nipponica
 * † Comalia
 * † Comalia asiatica
 * † Confusionella – tentative report
 * † Confusionella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Confusionella loczyi – or unidentified related form
 * † Confusionella loczyi – or unidentified comparable form
 * † Confusiscala
 * † Confusiscala dupiniana – or unidentified comparable form
 * † Confusiscala novemvaricosa – or unidentified comparable form
 * † Coniopteris
 * † Coniopteris burejensis
 * † Coniopteris sp.
 * † Coniopteris sp. 1informal
 * † Conotomaria
 * † Conotomaria lima – or unidentified comparable form
 * † Conotomaria mailleana – or unidentified comparable form
 * † Conotomaria oshimensis – type locality for species
 * † Conulariopsis – type locality for genus
 * † Conulariopsis quadrata – type locality for species
 * † Convexastrea
 * † Convexastrea orientalis
 * † Corbula – tentative report
 * † Corbula
 * † Corbula globosa
 * † Corbula imamurae
 * † Corbula matsumotoi – or unidentified related form
 * † Cornutella
 * † Cornutella californica
 * † Cornutella cretacea
 * † Cornutella riedeli
 * † Cornutella sp.
 * † Corum
 * † Corum speciosum
 * † Corymya – tentative report
 * † Corymya tanohatensis
 * † Costatoria
 * † Costatoria goldfussi
 * † Costatoria multistriata
 * † Costocyrena
 * † Costocyrena matsumotoi
 * † Costocyrena mifunensis
 * † Costocyrena minor
 * † Costocyrena ominensis
 * † Costocyrena otsukai
 * † Costocyrena radiatostriata
 * † Craspedophyllia
 * † Craspedophyllia japonica – type locality for species
 * † Craspedophyllia japonica
 * † Craspedophyllia ramosa
 * † Crassatella
 * † Crassatella kagaharensis
 * † Crassatella nagaoi
 * † Crassatella protracta
 * † Crassatella yanagisawai
 * † Crassostrea
 * † Crassostrea kawauchidensis – or unidentified related form
 * † Crassostrea kawauchidensis
 * † Crassostrea ryosekiensis
 * † Crassostrea sp.
 * † Crassostrea yoshimoensis
 * † Crenella
 * † Crenella gyliakina
 * † Crenotrapezium
 * † Crenotrapezium kitakamiense
 * † Crenotrapezium kurumense
 * † Crescentiella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Crescentiella morronensis
 * † Cretapria – type locality for genus
 * † Cretapria tsukadai – type locality for species
 * † Cretolamna
 * † Cretolamna appendiculata
 * † Cretolamna sp.
 * † Crioceratites
 * † Crioceratites ishiwarai
 * † Crittendenia
 * † Crittendenia decidens – or unidentified related form
 * † Crucella – tentative report
 * † Crucella
 * † Crucella espartoensis
 * † Crucella sp.
 * † Crucella sp. Ainformal
 * † Crucella sp. Binformal
 * † Crucella sp. Cinformal
 * † Crucella theokaftensis
 * † Cryptocoelia
 * † Cryptocoelia sp.
 * † Cryptocoelia zitteli
 * † Cryptocoenia
 * † Cryptocoenia slovenica
 * † Cryptostephanidium
 * † Cryptostephanidium japonicum
 * † Cryptostephanidium longispinosum
 * † Cryptostephanidium sp.
 * † Cryptostephanidium sp. Ainformal
 * † Cryptostephanidium sp. Binformal
 * † Cryptostephanidium sp. Cinformal
 * † Cryptostephanidium sp. Dinformal
 * † Ctenis
 * † Ctenis sp. 1informal
 * † Ctenis sp. 2informal
 * † Ctenis sp. 3informal
 * † Ctenoides
 * † Ctenoides subrapa
 * † Ctenoides tosana
 * † Ctenoides tosanus
 * † Ctenostreon
 * † Ctenostreon japonicum
 * † Ctenostreon ojikense
 * † Ctenostreon proboscideum
 * † Ctenozamites
 * † Ctenozamites sp. 1informal
 * † Cucullaea
 * † Cucullaea aalensis – or unidentified related form
 * † Cucullaea acuticarinata – or unidentified related form
 * † Cucullaea acuticarinata
 * † Cucullaea amaxensis
 * † Cucullaea ezoensis
 * † Cucullaea fujii
 * † Cucullaea mabuchii
 * † Cucullaea obliquata
 * † Cucullaea transversa
 * † Cucullaea truncata – or unidentified related form
 * † Cucurbita
 * † Cucurbita infundibuliforme
 * † Cucurbita infundibuliformis
 * † Cucurbita sp.
 * † Cultellus – tentative report
 * † Cultellus ellipsoidalis
 * † Cuniculiformis – tentative report
 * † Cuniculiformis
 * † Cuniculiformis aristotelis
 * † Cuniculiformis plinius
 * † Cuniculiformis sp.
 * † Cunnolites – tentative report
 * † Cunnolites japonica – type locality for species
 * † Cupressinocladus
 * † Cupressinocladus sp. 1informal
 * † Cupressinocladus sp. 2informal
 * † Cuspidaria – tentative report
 * † Cuspidaria ayabensis
 * † Cuspidaria praenipponica
 * † Cyathophora
 * † Cyathophora miyakoensis
 * † Cyathophora steinmanni – or unidentified related form
 * † Cycadites
 * † Cycadites sp. 1informal
 * † Cycadocarpidium
 * † Cycadocarpidium sp. 1informal
 * † Cycadocarpidium sp. 2informal
 * † Cycadocarpidium sp. 3informal
 * † Cycadocarpidium sp. 4informal
 * † Cylichna
 * † Cylichna sp.
 * † Cymatoceras
 * † Cymatoceras honmai – type locality for species
 * † Cymatoceras honmai
 * † Cymatoceras mikado – or unidentified related form
 * † Cymatoceras neocomiense – or unidentified related form
 * † Cymatoceras pacificum – type locality for species
 * † Cymatoceras pseudoatlas – type locality for species
 * † Cymatoceras pseudoatlas
 * † Cymatoceras sakalavum – or unidentified comparable form
 * † Cymatoceras sharpei
 * † Cymatoceras sp.
 * † Cymatoceras virgatum – or unidentified related form
 * † Cymbophora – tentative report
 * † Cymbophora
 * † Cymbophora ezoensis
 * † Cymbophora okadakensis
 * † Cymbophora sp.
 * † Cymbophora tellinoides
 * † Cyrtocapsa – tentative report
 * † Cyrtocapsa
 * † Cyrtocapsa kisoensis – or unidentified related form
 * † Cyrtocapsa kisoensis
 * † Cyrtocapsa mastoidea
 * † Cyrtocapsa sp. Ainformal
 * † Cyrtocapsa sp. Binformal
 * † Cytherella
 * † Cytherella fragilis – or unidentified comparable form
 * † Cytherelloidea – tentative report
 * † Cytherelloidea
 * † Cytherelloidea sp.
 * † Cytherelloidea zoetgeneugdensis
 * † Czekanowskia
 * † Czekanowskia sp. 1informal
 * † Czekanowskia sp. 2informal
 * † Czekanowskia sp. 3informal
 * † Dactylioceras
 * † Dactylioceras helianthoides
 * † Dactylioceras sp.
 * † Dactyliodiscus – tentative report
 * † Dactyliodiscus
 * † Dactyliodiscus lenticulatus
 * † Dactyliodiscus rotundus – type locality for species
 * † Dactyliodiscus rotundus
 * † Dalmatites
 * † Dalmatites sp.
 * † Damesites
 * † Damesites ainuanus
 * † Damesites damesi
 * † Damesites semicostatus
 * † Damesites sp.
 * † Danubites
 * † Danubites ambika – or unidentified related form
 * † Danubites sp.
 * † Daonella
 * † Daonella alta
 * † Daonella asymmetrica
 * † Daonella densisulcata
 * † Daonella hiratai
 * † Daonella indica
 * † Daonella iwayai
 * † Daonella kotoi
 * † Daonella multistriata
 * † Daonella pectinoides
 * † Daonella sakawana
 * † Daonella spitiensis – or unidentified comparable form
 * † Daonella tenuistriata
 * † Daonella yoshimurai
 * † Deflandrecyrtium – tentative report
 * † Deflandrecyrtium
 * † Deflandrecyrtium ithacanthum
 * † Deflandrecyrtium sp.
 * † Deflandrecyrtium sp. Ainformal
 * † Deflandrecyrtium sp. Binformal
 * † Dendronella
 * † Dendronella articulata
 * † Dentalina
 * † Dentalina basiplanata
 * † Dentalina catenula
 * † Dentalina megaropolitana
 * † Dentalina sp.
 * † Dermosmilia – tentative report
 * † Dermosmilia
 * † Dermosmilia jezoensis
 * † Dermosmilia miyakoensis – type locality for species
 * † Dermosmilia nagaoi – type locality for species
 * † Dermosmilia nagaoi
 * † Dermosmilia trichotoma – type locality for species
 * † Dermosmilia trichotoma
 * † Desmoceras
 * † Desmoceras dawsoni
 * † Desmoceras ezoanum
 * † Desmoceras japonicum – or unidentified comparable form
 * † Desmoceras japonicum
 * † Desmoceras kossmanti
 * † Desmoceras kossmati
 * † Desmoceras latidorsatum
 * † Desmoceras poronaicum
 * † Desmoceras sp.
 * † Desmophyllites
 * † Desmophyllites diphylloides
 * † Deussenia
 * † Deussenia takinoikensis – type locality for species
 * † Deviatus
 * † Deviatus diamphidius
 * † Diacanthocapsa
 * † Diacanthocapsa carpocanoides
 * † Diacanthocapsa normalis
 * † Diacanthocapsa operculi
 * † Diacanthocapsa ovoidea
 * † Diacanthocapsa sp. Ainformal
 * † Diacanthocapsa sp. Binformal
 * † Diaulax
 * † Diaulax yokoii – type locality for species
 * † Diaulax yokoii
 * † Diceratigalea
 * † Diceratigalea hemisphaera
 * † Diceratigalea sp.
 * † Diceratigalea sp. Ainformal
 * † Dicerocardium
 * † Dicerocardium sp.
 * † Dicolocapsa
 * † Dicolocapsa aquastilla – type locality for species
 * † Dicolocapsa sp.
 * † Dictyocephalus
 * † Dictyocephalus chinzeii – type locality for species
 * † Dictyocephalus kamikatsuensis – type locality for species
 * † Dictyocephalus sp.
 * † Dictyocephalus umenokiensis – type locality for species
 * † Dictyomitra
 * † Dictyomitra densicostata
 * † Dictyomitra formosa
 * † Dictyomitra koslovae
 * † Dictyomitra multicostata
 * † Dictyomitra rhadina
 * † Dictyomitra sp.
 * † Dictyomitra urakawaensis
 * † Dictyomitrella – tentative report
 * † Dictyomitrella
 * † Dictyomitrella kamoensis – or unidentified related form
 * † Dictyomitrella kamoensis
 * † Dictyomitrella sp. Ainformal
 * † Dictyomitrella sp. Binformal
 * † Dictyomitrella sp. Cinformal
 * † Dictyomitrella sp. C
 * † Dictyophyllum
 * † Dictyophyllum sp. 1informal
 * † Dictyophyllum sp. 2informal
 * † Dictyophyllum sp. 3informal
 * † Dictyophyllum sp. 4informal
 * † Dictyozamites
 * † Dictyozamites kawasakii
 * † Dictyozamites sp. 1informal
 * † Dictyozamites sp. 2informal
 * † Dictyozamites tedoriensis
 * † Didymoceras – tentative report
 * † Didymoceras
 * † Didymoceras awajiense
 * † Didymoceras hidakense – type locality for species
 * † Didymoceras hidakense
 * † Didymoceras sp.
 * † Didymotis
 * † Didymotis akamatsui
 * † Dieneroceras
 * † Dieneroceras dieneri
 * † Dieneroceras sp.
 * † Dimorpharaea – tentative report
 * † Dimorpharaea
 * † Dimorpharaea japonica – type locality for species
 * † Dimorpharaea tosaensis – type locality for species
 * † Dimorpharaea tosaensis
 * † Dimorphastrea
 * † Dimorphastrea mitodaensis – type locality for species
 * † Dimorphastrea toucasi – type locality for species
 * † Dimorphastrea toucasi
 * † Dimorphoseris
 * † Dimorphoseris tabayamensis – type locality for species
 * † Diplaraea
 * † Diplaraea sakamotoensis – type locality for species
 * † Diplaraea somaensis – type locality for species
 * † Diplaraea tosaensis – type locality for species
 * † Diplocoenia
 * † Diplocoenia hayasakai – type locality for species
 * † Diplocoeniella – tentative report
 * † Diplocoeniella shimoheiensis – type locality for species
 * † Diplogyra
 * † Diplogyra lamellosa
 * † Diplomoceras
 * † Diplomoceras cylindraceum
 * † Diplomoceras notabile – or unidentified comparable form
 * † Diplomoceras notabile
 * † Diplomystus
 * † Diplomystus altisomus
 * † Diplomystus kokuraensis – type locality for species
 * † Diplomystus kokuraensis
 * † Diplomystus primotinus – type locality for species
 * † Diplomystus primotinus
 * † Diplomystus sp.
 * † Diplopora
 * † Diplopora sp.
 * † Discoptychites
 * † Discoptychites inaicus
 * † Discosiphonella
 * † Discosiphonella sp.
 * † Discotectus
 * † Discotectus crassus
 * † Discotectus cripsis
 * † Discotectus cripsus
 * † Distichophyllia
 * † Distichophyllia norica – or unidentified comparable form
 * † Douvilleiceras
 * † Douvilleiceras sp.
 * † Drepanochilus
 * † Drepanochilus elegantodigitatus
 * † Drepanochilus minimus – type locality for species
 * † Drepanochilus sp.
 * † Droltus – tentative report
 * † Droltus
 * † Droltus galerus – type locality for species
 * † Droltus laseekensis
 * † Droltus lyellensis – or unidentified related form
 * † Droltus sanignacioensis
 * † Droltus sp.
 * † Drymosphaera – tentative report
 * † Drymosphaera
 * † Drymosphaera sp.
 * † Drymosphaera sp. Ainformal
 * † Drymosphaera sp. A0informal
 * † Drymosphaera sp. A3informal
 * † Drymosphaera sp. Binformal
 * † Drymosphaera sp. Cinformal
 * † Drymosphaera sp. Dinformal
 * † Drymosphaera sp. Einformal
 * † Drymosphaera sp. Finformal
 * † Drymosphaera sp. Ginformal
 * † Drymosphaera sp. Hinformal
 * † Drymosphaera sp. Iinformal
 * † Dumitricaella – tentative report
 * † Dumitricaella cucurbitina
 * † Dumitricaella sp.
 * † Dumitricaella sp. Ainformal
 * † Dumitricaella sp. Binformal
 * † Dyscritella
 * † Dyscritella hidakaensis – type locality for species
 * † Dyscritella sp.
 * † Eboracia
 * † Eboracia nipponensis
 * † Eboracia sp.
 * † Eboracia sp. 1informal
 * † Eburneopecten – tentative report
 * † Eburneopecten miyakoensis
 * † Ectonocorys
 * † Ectonocorys sp.
 * † Elasmosaurus – tentative report
 * † Elasmosaurus
 * † Elasmosaurus sp.
 * † Elatides
 * † Elatides sp. 1informal
 * † Elatocladus
 * † Elatocladus sp. 1informal
 * † Elatocladus sp. 2informal
 * † Electroma
 * † Electroma shiranuiensis
 * † Elmira
 * † Elmira shimantoensis
 * † Elodium – tentative report
 * † Elodium
 * † Elodium cameroni
 * † Elodium mackenziei
 * † Elodium pessagnoi
 * † Elysastraea – tentative report
 * † Elysastraea sp.
 * † Emiluvia – tentative report
 * † Emiluvia
 * † Emiluvia chica
 * † Emiluvia hopsoni
 * † Emiluvia lombardensis
 * † Emiluvia moresbyensis
 * † Emiluvia nana
 * † Emiluvia ordinaria
 * † Emiluvia orea
 * † Emiluvia pessagnoi
 * † Emiluvia premyogii
 * † Emiluvia salensis – or unidentified related form
 * † Emiluvia salensis
 * † Emiluvia sedecimporata
 * † Emiluvia sp.
 * † Emiluvia sp. Binformal
 * † Emiluvia sp. B0informal
 * † Emiluvia sp. B2informal
 * † Emiluvia sp. Cinformal
 * † Emiluvia sp. C0informal
 * † Emiluvia sp. Finformal
 * † Emiluvia sp. Hinformal
 * † Emiluvia sp. SY01informal
 * † Emiluvia sp. SY02informal
 * † Emiluvia sp. SY03informal
 * † Emiluvia sp. SY04informal
 * † Emiluvia splendida
 * † Empirea
 * † Empirea sp.
 * † Enallhelia
 * † Enallhelia nipponica
 * † Enallhelia sp.
 * † Enchodus
 * † Enchodus sp.
 * † Endiatrachelus
 * † Endiatrachelus parallela – or unidentified comparable form
 * † Endoa
 * † Endoa sp. 1informal
 * † Entactinia
 * † Entactinia morii – type locality for species
 * † Entactinosphaera
 * † Entactinosphaera sp.
 * † Entolium – tentative report
 * † Entolium
 * † Entolium calvum – or unidentified comparable form
 * † Entolium disciforme – or unidentified comparable form
 * † Entolium discites – or unidentified comparable form
 * † Entolium inequivalve
 * † Entolium japonicum
 * † Entolium kimurai
 * † Entolium lunare – or unidentified comparable form
 * † Entolium microtis – or unidentified comparable form
 * † Entolium obovatum – or unidentified comparable form
 * † Entolium obovatum
 * † Entolium sanchuense
 * † Entolium sanchuensis
 * † Entolium ussuricus
 * † Entolium yatsujiense
 * † Entolium yatsushiroense
 * † Entosolenia
 * † Entosolenia apiculata
 * † Eocallista – tentative report
 * † Eocallista regularis
 * † Eocylindroteuthis – tentative report
 * † Eocylindroteuthis yokoyamai – type locality for species
 * † Eodorippe
 * † Eodorippe binodosa – type locality for species
 * † Eodouvilleiceras
 * † Eodouvilleiceras matsumotoi
 * † Eogunnarites
 * † Eogunnarites sp.
 * † Eohydnophora
 * † Eohydnophora picteti – or unidentified related form
 * † Eohydnophora picteti – or unidentified comparable form
 * † Eohydnophora sanchuensis – type locality for species
 * † Eohydnophora sanchuensis
 * † Eohydnophora tosaensis
 * † Eohydonophora
 * † Eohydonophora picteti – or unidentified related form
 * † Eomiodon – tentative report
 * † Eomiodon
 * † Eomiodon giganteus
 * † Eomiodon hayamii
 * † Eomiodon kumamotoensis
 * † Eomiodon lunulatus
 * † Eomiodon matsubasensis
 * † Eomiodon matsumotoi
 * † Eomiodon nipponicus
 * † Eomiodon sakawanus
 * † Eomiodon sp.
 * † Eomiodon vulgaris
 * † Eomunidopsis
 * † Eomunidopsis kinokunica
 * † Eomunidopsis kojimai
 * † Eonavicula
 * † Eonavicula prolata
 * † Eonavicula shinanoensis
 * † Eopecten – tentative report
 * † Eopecten
 * † Eopecten infrequens
 * † Eopecten kurisakensis
 * † Eopecten maizurensis
 * † Eopecten punctus
 * † Eopecten sumeriensis
 * † Eophyllites
 * † Eophyllites dieneri – or unidentified comparable form
 * † Eophyllites sp.
 * † Eospongosaturninus
 * † Eospongosaturninus protoformis – or unidentified related form
 * † Eospongosaturninus protoformis
 * † Eosturia – type locality for genus
 * † Eosturia towaensis – type locality for species
 * † Eoursivivas
 * † Eoursivivas matsumotoi
 * † Epigymnites
 * † Epigymnites jollyanus – or unidentified related form
 * † Eptingium
 * † Eptingium japonicum
 * † Eptingium nakasekoi
 * † Eptingium sp.
 * † Eptingium sp. Ainformal
 * † Equisetites
 * † Equisetites sp. 1informal
 * † Equisetites sp. 2informal
 * † Equisetites sp. 3informal
 * † Equisetites sp. 4informal
 * † Equisetites sp. 5informal
 * † Equisetites sp. 6informal
 * † Equisetites sp. 7informal
 * † Equisetites ushimarensis
 * † Equisetum
 * † Equisetum sp. 1informal
 * † Eretmophyllum
 * † Eretmophyllum tetoriense
 * † Eriphyla
 * † Eriphyla elegans
 * † Eriphyla higoensis
 * † Eriphyla japonica
 * † Eriphyla minima
 * † Eriphyla miyakoensis
 * † Eriphyla pulchella
 * † Eriphyla sp.
 * † Eriptycha
 * † Eriptycha japonica
 * † Eriptycha minima
 * † Eripycha
 * † Eripycha minima
 * † Erlansonisporites
 * † Erlansonisporites scanicus
 * † Erycites
 * † Erycites barodiscus
 * † Eryma
 * † Eryma nippon
 * † Eubostrychoceras
 * † Eubostrychoceras saxonicum
 * † Eubostrychoceras sp.
 * † Eubostrychoceras valdelaxum – type locality for species
 * † Eubostrychoceras valdelaxum
 * † Eucalathis
 * † Eucalathis methanophila – type locality for species
 * † Eucyclus
 * † Eucyclus japonicus
 * † Eucyrtidiellum – tentative report
 * † Eucyrtidiellum
 * † Eucyrtidiellum disparileex gr.
 * † Eucyrtidiellum disparile
 * † Eucyrtidiellum gujoense – or unidentified related form
 * † Eucyrtidiellum gujoense
 * † Eucyrtidiellum gunenseex gr.
 * † Eucyrtidiellum gunense
 * † Eucyrtidiellum nagaiae
 * † Eucyrtidiellum nodosum
 * † Eucyrtidiellum ptyctum
 * † Eucyrtidiellum pyramis
 * † Eucyrtidiellum quinatum – or unidentified related form
 * † Eucyrtidiellum quinatum
 * † Eucyrtidiellum sp.
 * † Eucyrtidiellum sp. Ainformal
 * † Eucyrtidiellum sp. Binformal
 * † Eucyrtidiellum sp. Cinformal
 * † Eucyrtidiellum sp. Dinformal
 * † Eucyrtidiellum sp. Rinformal
 * † Eucyrtidiellum sp. Sinformal
 * † Eucyrtidiellum sp. SY01informal
 * † Eucyrtidiellum sp. Yinformal
 * † Eucyrtidiellum unumaense – or unidentified related form
 * † Eucyrtidiellum unumaense
 * † Eucyrtidium – tentative report
 * † Eucyrtidium matsumotoi
 * † Euflemingites
 * † Euflemingites sp.
 * † Eugyra – tentative report
 * † Eugyra
 * † Eugyra cotteaui – or unidentified comparable form
 * † Eugyra digitata
 * † Eugyra magnus – type locality for species
 * † Eugyra neocomiensis – or unidentified comparable form
 * † Eugyra sp. Ainformal
 * † Eugyra sp. Binformal
 * † Eugyra sugiyamai – type locality for species
 * † Eumorphotis – tentative report
 * † Eumorphotis
 * † Eumorphotis confertoradiata
 * † Eumorphotis iwanowi
 * † Eumorphotis laevigata
 * † Eumorphotis maritima – or unidentified related form
 * † Eumorphotis multiformis – or unidentified related form
 * † Eumorphotis multiformis
 * † Eumorphotis nakatsukensis
 * † Eumorphotis shikokuensis – or unidentified comparable form
 * † Eumorphotis shikokuensis
 * † Eumorphotis spitzbergensis – or unidentified related form
 * † Eumorphotis tenuistriata – or unidentified related form
 * † Eupachydiscus
 * † Eupachydiscus haradai – or unidentified comparable form
 * † Eupachydiscus haradai
 * † Eupachydiscus sp.
 * † Eurypholis
 * † Eurypholis japonicus
 * † Euspira
 * † Euspira sp.
 * † Eusyringium
 * † Eusyringium spinosum
 * † Eutrephoceras
 * † Eutrephoceras nodai – type locality for species
 * † Eutrephoceras soyaense – type locality for species
 * † Eutrephoceras sp.
 * † Eutrephoceras tawaense – type locality for species
 * † Ezonuculana
 * † Ezonuculana dubia
 * † Ezonuculana mactraeformis
 * † Ezonuculana sp.
 * † Falcimytilus – tentative report
 * † Falcimytilus
 * † Falcimytilus heranirus
 * † Falcimytilus hirabarensis
 * † Falcimytilus nasai
 * † Falcimytilus stricapillatus
 * † Falcimytilus tenuiformis
 * † Farcus
 * † Farcus graylockensis – or unidentified comparable form
 * † Farcus graylockensis
 * † Farcus kozuri – or unidentified related form
 * † Farcus sp.
 * † Farcus sp. Ainformal
 * † Farcus sp. B0informal
 * † Favia – tentative report
 * † Favia
 * † Favia haipensis – type locality for species
 * † Favia haipensis
 * † Favia jezoensis
 * † Favia oishii – type locality for species
 * † Favia sp.
 * † Favites – tentative report
 * † Favites taruensis – type locality for species
 * † Fenestricardita
 * † Fenestricardita densigranulata
 * † Fenestricardita sp.
 * † Ficheuria – tentative report
 * † Ficheuria
 * † Ficheuria pusilla – type locality for species
 * † Ficheuria sp.
 * † Filosina
 * † Filosina jusanhamensis
 * † Filosina sp.
 * † Fimbria – tentative report
 * † Fimbria
 * † Fimbria somensis
 * † Fimbria tenuiconcha
 * † Flemingites
 * † Flemingites sp.
 * † Flexoptychites
 * † Flexoptychites matsushimaensis – type locality for species
 * † Fontanelliceras
 * † Fontanelliceras fontanellense
 * † Forbesiceras
 * † Forbesiceras beaumontianum – or unidentified related form
 * † Forbesiceras sp.
 * † Foremanina
 * † Foremanina transita
 * † Foremanina veghae
 * † Forresteria
 * † Forresteria alluaudi
 * † Freiastarte
 * † Freiastarte yokakuensis
 * † Frenelopsis
 * † Frenelopsis sp. 1informal
 * † Frenguelliella
 * † Frenguelliella tanourensis
 * † Fuciniceras
 * † Fuciniceras nakayamense
 * † Fuciniceras primordium
 * † Fuciniceras sp.
 * † Fukuiraptor – type locality for genus
 * † Fukuiraptor
 * † Fukuiraptor kitadaniensis – type locality for species
 * † Fukuiraptor kitadaniensis – or unidentified related form
 * † Fukuisaurus – type locality for genus
 * † Fukuisaurus tetoriensis – type locality for species
 * † Fukuititan – type locality for genus
 * † Fukuititan nipponensis – type locality for species
 * † Futabasaurus – type locality for genus
 * † Futabasaurus suzukii – type locality for species
 * † Gablonzeria
 * † Gablonzeria major – or unidentified related form
 * † Gablonzeria profunda – or unidentified comparable form
 * † Galeanella – tentative report
 * † Galeanella
 * † Galeanella laticarinata
 * † Galeanella minima
 * † Garwoodia
 * † Garwoodia sp.
 * † Gaudryceras
 * † Gaudryceras crassicostatum – or unidentified comparable form
 * † Gaudryceras denseplicatum – or unidentified comparable form
 * † Gaudryceras denseplicatum
 * † Gaudryceras hobetsense – type locality for species
 * † Gaudryceras hobetsense
 * † Gaudryceras intermedium – or unidentified comparable form
 * † Gaudryceras izumiense
 * † Gaudryceras kayei – or unidentified comparable form
 * † Gaudryceras makarovense
 * † Gaudryceras seymouriense – or unidentified comparable form
 * † Gaudryceras sp.
 * † Gaudryceras spp.
 * † Gaudryceras striatim – or unidentified comparable form
 * † Gaudryceras striatum – or unidentified related form
 * † Gaudryceras tenuiliratum – or unidentified comparable form
 * † Gaudryceras tenuiliratum
 * † Gaudryina
 * † Gaudryina triadica – or unidentified comparable form
 * † Geinitzia – type locality for genus
 * † Geinitzia
 * † Geinitzia reticulata – type locality for species
 * † Geinitzia sp. 1informal
 * † Geratrigonia
 * † Geratrigonia hosourensis
 * † Geratrigonia kurumensis
 * † Geratrigonia lata
 * † Gervillaria
 * † Gervillaria haradae
 * † Gervillaria miyakoensis
 * † Gervillia
 * † Gervillia forbesiana – or unidentified comparable form
 * † Gervillia forbesiana
 * † Gervillia hosonaga
 * † Gervillia metaforbesiana
 * † Gervillia shizukawensis
 * † Gervillia sp.
 * † Gervillia takiensis
 * † Gervillia tatenosawensis
 * † Gigantocapulus
 * † Gigantocapulus giganteus
 * † Gigantocapulus problematicus
 * † Gigantoshiraminesauropus – type locality for genus
 * † Gigantoshiraminesauropus matsuoi – type locality for species
 * † Gigi – tentative report
 * † Gigi
 * † Gigi fustis – or unidentified related form
 * † Gigi fustis
 * † Gigi sp.
 * † Gigi spp.
 * † Ginkgo
 * † Ginkgo sp. 1informal
 * † Ginkgo sp. 2informal
 * † Ginkgoidium
 * † Ginkgoidium nathorsti
 * † Ginkgoidium sp. 1informal
 * † Ginkgoites
 * † Ginkgoites digitata
 * † Ginkgoites huttoni
 * † Ginkgoites sp.
 * † Ginkgoites sp. 1informal
 * † Girvanella
 * † Girvanella sp.
 * † Gleichenites
 * † Gleichenites ishikawaensis
 * † Gleichenites nipponensis
 * † Gleichenites sp.
 * † Gleichenites sp. 1informal
 * † Gleichenites sp. 2informal
 * † Gleichenites sp. 3informal
 * † Globocardium
 * † Globocardium sphaeroideum
 * † Globochaete
 * † Globochaete sp.
 * † Globolaxtorum
 * † Globolaxtorum tozeri
 * † Globularia – tentative report
 * † Globularia
 * † Globularia cureti – or unidentified related form
 * † Globularia izumiensis – type locality for species
 * † Globularia izumiensis
 * † Globularia neritiformis – type locality for species
 * † Globularia sp.
 * † Glochiceras
 * † Glochiceras nimbatum – or unidentified comparable form
 * † Glomospira
 * † Glomospira charoides
 * † Glycymeris
 * † Glycymeris amakusensis
 * † Glycymeris amakusesnsis
 * † Glycymeris densilineata
 * † Glycymeris goshonouraensis
 * † Glycymeris haipensis
 * † Glycymeris himenourensis
 * † Glycymeris hokkaidoensis – or unidentified related form
 * † Glycymeris hokkaidoensis – or unidentified comparable form
 * † Glycymeris hokkaidoensis
 * † Glycymeris japonica
 * † Glycymeris katsurazawensis
 * † Glycymeris matsumotoi
 * † Glycymeris mifunensis
 * † Glycymeris solida
 * † Glycymeris sp.
 * † Godia
 * † Godia concava
 * † Goeppertella
 * † Goeppertella sp. 1informal
 * † Gongylothorax – tentative report
 * † Gongylothorax
 * † Gongylothorax favosus
 * † Gongylothorax oblongus
 * † Gongylothorax siphonofer
 * † Gongylothorax sp. Ainformal
 * † Gongylothorax szeligoviensis
 * † Goniocora – tentative report
 * † Goniocora sp.
 * † Goniomya
 * † Goniomya nonvscripta
 * † Goniomya sp.
 * † Goniomya subarchiachi
 * † Goniomya subarchiaci
 * † Gorgansium – tentative report
 * † Gorgansium
 * † Gorgansium gongyloideum – or unidentified related form
 * † Gorgansium gongyloideum – or unidentified comparable form
 * † Gorgansium gongyloideum
 * † Gorgansium silviesense
 * † Gorgansium sp.
 * † Gorgansium sp. Ainformal
 * † Gorgansium sp. A2informal
 * † Gorgansium sp. A3informal
 * † Gorgansium sp. Binformal
 * † Gorgansium sp. B2informal
 * † Gorgansium sp. Cinformal
 * † Gorgansium sp. Dinformal
 * † Gorgansium sp. D0informal
 * † Gorgansium sp. D2informal
 * † Gorgansium sp. D3informal
 * † Gorgansium sp. SY01informal
 * † Gorgansium sp. SY02informal
 * † Gorgansium sp. SY03informal
 * † Gorgansium sp. SY04informal
 * † Gorgansium sp. SY05informal
 * † Gorgansium sp. SY06informal
 * † Gosaukammerella
 * † Gosaukammerella eomesozoica
 * † Goshoraia
 * † Goshoraia crenulata
 * † Goshoraia sp.
 * † Grammatodon
 * † Grammatodon awajianus
 * † Grammatodon densistriatus
 * † Grammatodon nakanoi
 * † Grammatodon sachalinensis
 * † Grammatodon takiensis
 * † Grammatodon tomochiensis
 * † Grammatodon toyorensis
 * † Grammatodon yokoyamai
 * † Grandetortura – tentative report
 * † Grandetortura sp.
 * † Granocardium
 * † Granocardium nipponense
 * † Graysonites
 * † Graysonites adkinsi
 * † Graysonites wacoense
 * † Gruenewaldia
 * † Gruenewaldia decussata
 * † Gruenewaldia elegans – or unidentified comparable form
 * † Gruenewaldia woehrmanni
 * † Gryphaea – tentative report
 * † Gryphaea oshimensis
 * † Gryphaeostrea
 * † Gryphaeostrea kochiensis – type locality for species
 * † Guembelastraea
 * † Guembelastraea kanmerae – type locality for species
 * † Guexella
 * † Guexella nudata
 * † Gyrodes
 * † Gyrodes munitus
 * † Gyrodes nagaoi – type locality for species
 * † Gyrodes sp.
 * † Gyroidina
 * † Gyroidina globosa
 * † Gyroidina globosa rumoiensis
 * † Haboroceras
 * † Haboroceras haboroense
 * † Haeckelicyrtium – tentative report
 * † Haeckelicyrtium
 * † Haeckelicyrtium breviora
 * † Haeckelicyrtium sp.
 * † Haeckelicyrtium sp. Ainformal
 * † Hagiastrum – tentative report
 * † Hagiastrum
 * † Hagiastrum majusculum
 * † Hagiastrum rudimentum
 * † Hagiastrum sp.
 * † Hagiastrum sp. 1informal
 * † Hakusanobaatar – type locality for genus
 * † Hakusanobaatar matsuoi – type locality for species
 * † Hakusanodon – type locality for genus
 * † Hakusanodon archaeus – type locality for species
 * † Hakuseps – type locality for genus
 * † Hakuseps imberis – type locality for species
 * † Halesium
 * † Halesium sp. Ainformal
 * † Halesium sp. Binformal
 * † Haliodictya – tentative report
 * † Haliodictya hojnosi
 * † Haliodictya sp. SY01informal
 * † Haliodictya sp. SY02informal
 * † Haliomma – tentative report
 * † Haliomma
 * † Haliomma sp. Ainformal
 * † Haliomma sp. Binformal
 * † Haliomma sp. B2informal
 * † Haliomma sp. Cinformal
 * † Haliomma sp. C0informal
 * † Haliomma sp. C2informal
 * † Haliomma sp. Dinformal
 * † Haliomma sp. D2informal
 * † Haliomma sp. D3informal
 * † Haliomma sp. Einformal
 * † Haliomma sp. E2informal
 * † Haliomma sp. Finformal
 * † Haliomma sp. Ginformal
 * † Haliomma sp. Hinformal
 * † Haliomma sp. Iinformal
 * † Haliomma sp. I0informal
 * † Haliomma sp. Jinformal
 * † Haliomma sp. J0informal
 * † Haliomma sp. J2informal
 * † Haliomma sp. JYinformal
 * † Haliomma sp. JZinformal
 * † Haliomma sp. Kinformal
 * † Haliomma sp. Linformal
 * † Haliomma sp. L0informal
 * † Haliomma sp. Minformal
 * † Haliomma sp. M2informal
 * † Haliomma sp. Ninformal
 * † Haliomma sp. Oinformal
 * † Haliomma sp. Pinformal
 * † Haliomma sp. Qinformal
 * † Haliomma sp. Rinformal
 * † Haliomma sp. T023informal
 * † Halobia
 * † Halobia alta
 * † Halobia aotii
 * † Halobia atsuensis
 * † Halobia austriaca – or unidentified comparable form
 * † Halobia disperseinsecta – or unidentified related form
 * † Halobia fallax – or unidentified related form
 * † Halobia kashiwaiensis
 * † Halobia kawadai
 * † Halobia longissima
 * † Halobia molukkana
 * † Halobia multilineata
 * † Halobia obruchevi – or unidentified comparable form
 * † Halobia obsoleta
 * † Halobia ornatissima
 * † Halobia sedaka
 * † Halobia styriaca
 * † Halobia subsedaka
 * † Halobia superbescens – or unidentified related form
 * † Halobia talauana – or unidentified comparable form
 * † Hamites
 * † Hamites sp.
 * † Hamites sp. Binformal
 * † Hamiticeras – tentative report
 * † Hamiticeras sp.
 * † Hanaibursa
 * † Hanaibursa aquilana
 * † Hanaispira
 * † Hanaispira annularis
 * † Haplaraea – tentative report
 * † Haplaraea sp.
 * † Haplophragmoides
 * † Haplophragmoides asanoi
 * † Haplophragmoides calculus
 * † Haplophragmoides obesus
 * † Haplophragmoides sp.
 * † Harpoceras
 * † Harpoceras chrysanthemum
 * † Harpoceras inouyei
 * † Harpoceras mulgravium – or unidentified comparable form
 * † Harpoceras nagatoensis
 * † Harpoceras okadai
 * † Harpoceras sp.
 * † Hausmannia
 * † Hausmannia sp. 1informal
 * † Hausmannia sp. 2informal
 * † Hausmannia sp. 3informal
 * † Hayamia
 * † Hayamia chosiensis
 * † Hayamia rex
 * † Hayamina
 * † Hayamina naumanni
 * † Hayamina sp.
 * † Hedbergella
 * † Hedbergella delrioensis
 * † Hedstroemia
 * † Hedstroemia sp.
 * † Hegleria
 * † Hegleria spp.
 * † Heliocoenia
 * † Heliocoenia costulata
 * † Heliosestrum – tentative report
 * † Heliosestrum sp.
 * † Hellenites
 * † Hellenites elegans
 * † Helvetocapsa
 * † Helvetocapsa minoensis – type locality for species
 * † Helvetocapsa minoensis
 * † Helvetocapsa nanjoensis – type locality for species
 * † Helvetocapsa nanjoensis
 * † Helvetocapsa plicata – type locality for species
 * † Helvetocapsa plicata
 * † Hemiaster
 * † Hemiaster uwajimensis
 * † Hemicryptocapsa
 * † Hemicryptocapsa polyhedra
 * † Hemilecanites
 * † Hemilecanites discus
 * † Heminautilus
 * † Heminautilus japonicus – type locality for species
 * † Heminautilus japonicus
 * † Heminautilus tyosiensis – type locality for species
 * † Heminautilus tyosiensis
 * † Hemiprionites
 * † Hemiprionites katoi
 * † Hemiprionites kuharanus
 * † Hemiprionites morianus
 * † Hemiprionites sawatanus – or unidentified related form
 * † Hemiprionites sawatanus
 * † Hemiprionites shikokuensis
 * † Hemiprionites sp.
 * † Hemiprionites tahoensis
 * † Hepaticites
 * † Hepaticites sp. 1informal
 * † Heptacladus
 * † Heptacladus crassispinus – or unidentified comparable form
 * † Heteroceras – tentative report
 * † Heteroceras
 * † Heteroceras sp.
 * † Heterocoenia
 * † Heterocoenia densa
 * † Heterocoenia explanata
 * † Heterocoenia hideshimaensis – or unidentified related form
 * † Heterocoenia hideshimaensis
 * † Heterocoenia ishidai – or unidentified comparable form
 * † Heterocoenia mojiensis
 * † Heterocoenia sp.
 * † Heterocoenia tetraseptata – type locality for species
 * † Heteroptychodus
 * † Heteroptychodus sp.
 * † Hexalonche – tentative report
 * † Hexalonche
 * † Hexalonche sp.
 * † Hexalonche sp. Ainformal
 * † Hexalonche sp. A0informal
 * † Hexalonche sp. Binformal
 * † Hexalonche sp. B0informal
 * † Hexalonche sp. B2informal
 * † Hexalonche sp. Cinformal
 * † Hexalonche sp. C2informal
 * † Hexalonche sp. Dinformal
 * † Hexalonche sp. D2informal
 * † Hexalonche sp. Einformal
 * † Hexalonche sp. Finformal
 * † Hexalonche sp. Ginformal
 * † Hexalonche sp. Hinformal
 * † Hexalonche sp. Iinformal
 * † Hexalonche sp. Jinformal
 * † Hexalonche sp. SY01informal
 * † Hexalonche sp. SY02informal
 * † Hexalonche sp. SY03informal
 * † Hexalonche sp. SY04informal
 * † Hexalonche sp. T02informal
 * † Hexalonche sp. Zinformal
 * † Hexanchus
 * † Hexanchus microdon
 * † Hexasaturnalis – tentative report
 * † Hexasaturnalis
 * † Hexasaturnalis hexagonus – or unidentified related form
 * † Hexasaturnalis hexagonus
 * † Hexasaturnalis octopus
 * † Hexasaturnalis sp.informal
 * † Hexasaturnalis sp.
 * † Hexasaturnalis suboblongus
 * † Hexasaturnalis tetraspinus – or unidentified related form
 * † Hexasaturnalis tetraspinus
 * † Hexastylus – tentative report
 * † Hexastylus tetradactylus
 * † Higumastra – tentative report
 * † Higumastra
 * † Higumastra gratiosa
 * † Higumastra hilara – or unidentified related form
 * † Higumastra hilara
 * † Higumastra laxa
 * † Higumastra lupheri
 * † Higumastra sp.
 * † Higumastra sp. Binformal
 * † Higumastra sp. B0informal
 * † Higumastra sp. Cinformal
 * † Higumastra sp. Dinformal
 * † Higumastra sp. Einformal
 * † Higumastra sp. Ginformal
 * † Higumastra sp. T016informal
 * † Higumastra spp.
 * † Higumastra wintereriinformal
 * † Higumastra wintereri
 * † Hilarisirex
 * † Hilarisirex quadrangularis
 * † Hilarisirex sp.
 * † Hilarisirex sp. Ainformal
 * † Hilarisirex sp. Binformal
 * † Hildoceras
 * † Hildoceras sp.
 * † Hindeodus
 * † Hindeodus parvus – or unidentified comparable form
 * † Hindeodus sp. Ainformal
 * † Hindeodus sp. Binformal
 * † Hindeosphaera
 * † Hindeosphaera spinulosa – or unidentified comparable form
 * † Hindeosphaera spinulosa
 * † Hinedorcus
 * † Hinedorcus holdsworthi – type locality for species
 * † Hiscocapsa
 * † Hiscocapsa asseni
 * † Holcophylloceras
 * † Holcophylloceras sp.
 * † Holocrinus
 * † Holocrinus sp.
 * † Holocryptocanium
 * † Holocryptocanium barbui – or unidentified related form
 * † Holocryptocanium barbui
 * † Holocryptocanium geysersense
 * † Homalopoma
 * † Homalopoma cirrus
 * † Homoeoparonaella – tentative report
 * † Homoeoparonaella
 * † Homoeoparonaella argolidensis – or unidentified related form
 * † Homoeoparonaella argolidensis
 * † Homoeoparonaella elegans – or unidentified related form
 * † Homoeoparonaella elegans
 * † Homoeoparonaella reciproca
 * † Homoeoparonaella sp.
 * † Homoeoparonaella sp. Ainformal
 * † Homoeoparonaella sp. A1informal
 * † Homoeoparonaella sp. Iinformal
 * † Homolopsis
 * † Homolopsis hachiyai
 * † Homomya – tentative report
 * † Homomya
 * † Homomya dubia
 * † Homomya gibbosa
 * † Homomya matsuoensis
 * † Homomya satoi
 * † Hoplitoplacenticeras
 * † Hoplitoplacenticeras fugen – type locality for species
 * † Hoplitoplacenticeras monju
 * † Hoploparia
 * † Hoploparia kamuy
 * † Hoploparia natsumiae
 * † Hoploparia sp.
 * † Hoyenella
 * † Hoyenella inconstans
 * † Hozmadia – tentative report
 * † Hozmadia
 * † Hozmadia gifuensis
 * † Hozmadia ozawai – type locality for species
 * † Hozmadia ozawai
 * † Hozmadia sp.
 * † Hsuum – tentative report
 * † Hsuum
 * † Hsuum acutum
 * † Hsuum altile – type locality for species
 * † Hsuum altile
 * † Hsuum arabicum
 * † Hsuum busuangaense
 * † Hsuum exiguum
 * † Hsuum gratum
 * † Hsuum lucidum
 * † Hsuum matsuokai – or unidentified related form
 * † Hsuum matsuokai
 * † Hsuum maxwelli
 * † Hsuum medium – or unidentified related form
 * † Hsuum medium – or unidentified comparable form
 * † Hsuum medium
 * † Hsuum mirabundum – or unidentified comparable form
 * † Hsuum philippinense
 * † Hsuum plectocostatum
 * † Hsuum primum
 * † Hsuum sp.
 * † Hsuum sp. &informal
 * † Hsuum sp. &informal
 * † Hsuum sp. 1informal
 * † Hsuum sp. Ainformal
 * † Hsuum sp. A0informal
 * † Hsuum sp. A2informal
 * † Hsuum sp. Binformal
 * † Hsuum sp. B0informal
 * † Hsuum sp. B01informal
 * † Hsuum sp. Cinformal
 * † Hsuum sp. D0informal
 * † Hsuum sp. D2informal
 * † Hsuum sp. Einformal
 * † Hsuum sp. E0informal
 * † Hsuum sp. Finformal
 * † Hsuum sp. Ginformal
 * † Hsuum sp. Hinformal
 * † Hsuum sp. Iinformal
 * † Hsuum sp. SY01informal
 * † Hsuum sp. SY02informal
 * † Hsuum sp. T028informal
 * † Hsuum sp. Xinformal
 * † Hsuum sp. Yinformal
 * † Hungarites
 * † Hungarites nipponicus – type locality for species
 * † Hybodus
 * † Hybodus sp.
 * † Hydrania
 * † Hydrania dulloi
 * † Hypacanthoplites
 * † Hypacanthoplites subcornueriana
 * † Hyphantoceras
 * † Hyphantoceras orientale – or unidentified comparable form
 * † Hyphantoceras orientale
 * † Hyphantoceras oshimai
 * † Hyphantoceras ryu – or unidentified comparable form
 * † Hyphantoceras sp.
 * † Hypophylloceras
 * † Hypophylloceras sp.
 * † Hypophylloceras subramosum
 * † Iberopora
 * † Iberopora bodeuri
 * † Ibotrigonia
 * † Ibotrigonia masatanii
 * † Inoceramus – tentative report
 * † Inoceramus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Inoceramus
 * † Inoceramus amakusensis – or unidentified comparable form
 * † Inoceramus amakusensis
 * † Inoceramus anakusensis – or unidentified comparable form
 * † Inoceramus anakusensis
 * † Inoceramus anglicus – or unidentified comparable form
 * † Inoceramus anglicus
 * † Inoceramus angulosus
 * † Inoceramus awajiensis
 * † Inoceramus balticus
 * † Inoceramus crippsi – or unidentified related form
 * † Inoceramus elegans
 * † Inoceramus ezoensis – or unidentified comparable form
 * † Inoceramus ezoensis
 * † Inoceramus fukadae
 * † Inoceramus furukawensis
 * † Inoceramus galoi – or unidentified related form
 * † Inoceramus ginterensis – or unidentified related form
 * † Inoceramus ginterensis
 * † Inoceramus goldfussianus
 * † Inoceramus hamadae
 * † Inoceramus hashiurensis
 * † Inoceramus hetonaianus
 * † Inoceramus higoensis
 * † Inoceramus hobetsensis – or unidentified related form
 * † Inoceramus hobetsensis – or unidentified comparable form
 * † Inoceramus hobetsensis
 * † Inoceramus iburiensis – or unidentified comparable form
 * † Inoceramus iburiensis
 * † Inoceramus incertus – or unidentified comparable form
 * † Inoceramus incertus
 * † Inoceramus japonicus
 * † Inoceramus karakuwensis
 * † Inoceramus kudoi
 * † Inoceramus kusiroensis
 * † Inoceramus maedae
 * † Inoceramus mihoensis
 * † Inoceramus morii
 * † Inoceramus naganoensis
 * † Inoceramus nagaoi
 * † Inoceramus naumanni
 * † Inoceramus ogurai
 * † Inoceramus orientalis
 * † Inoceramus pedalionoides – or unidentified comparable form
 * † Inoceramus pedalionoides
 * † Inoceramus pennatulusex gr.
 * † Inoceramus pennatulus
 * † Inoceramus reduncus – or unidentified comparable form
 * † Inoceramus rhomboides – or unidentified related form
 * † Inoceramus schmidti
 * † Inoceramus shikotanensis
 * † Inoceramus sp.
 * † Inoceramus spp.
 * † Inoceramus tenuistriatus
 * † Inoceramus teraokai
 * † Inoceramus teshioensis – or unidentified comparable form
 * † Inoceramus teshioensis
 * † Inoceramus utanoensis
 * † Inoceramus vanuxemiformis – or unidentified comparable form
 * † Inoceramus virgatus
 * † Inoceramus yabei
 * † Inoceramus yokoyamai
 * † Inoceramus yuasai
 * † Inoperna
 * † Inoperna plicata
 * † Inoperna sp.
 * † Integricardium – tentative report
 * † Integricardium
 * † Integricardium seikaianum
 * † Ipsvicioides – type locality for genus
 * † Ipsvicioides minimus – type locality for species
 * † Isastrea – tentative report
 * † Isastrea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Isastrea
 * † Isastrea kosodeensis – type locality for species
 * † Isastrea matumotoi
 * † Isastrea sp.
 * † Isastrea sp. Ainformal
 * † Isastrea sp. Binformal
 * † Isastrea sugiyamai – type locality for species
 * † Isastrea taruensis – type locality for species
 * † Isastrea yuraensis – type locality for species
 * † Ischyrhiza
 * † Ischyrhiza iwakiensis – type locality for species
 * † Isculitoides
 * † Isculitoides originis – or unidentified related form
 * † Isnella – tentative report
 * † Isnella misiki
 * † Isocrinus
 * † Isocrinus hanaii – type locality for species
 * † Isocrinus neocomiensis – or unidentified comparable form
 * † Isocyprina
 * † Isocyprina aliquantula
 * † Isocyprina japonica
 * † Isocyprina shizuhamensis
 * † Isodomella
 * † Isodomella matsumotoi
 * † Isodomella shiroiensis
 * † Isognomon
 * † Isognomon choshiensis
 * † Isognomon ichikawai
 * † Isognomon rikuzenicus
 * † Isognomon sanchuensis
 * † Isognomon sp.
 * † Itsukisauropus – type locality for genus
 * † Itsukisauropus izumiensis – type locality for species
 * † Izumia
 * † Izumia trapezoidalis
 * † Izumicardia
 * † Izumicardia parva
 * † Jablonskyia
 * † Jablonskyia andrusovi
 * † Japonisaturnalis
 * † Japonisaturnalis japonicus
 * † Japonisaturnalis sp.informal
 * † Japonisaturnalis sp.
 * † Japonites – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Japonites dieneri – or unidentified comparable form
 * † Japonocapsa – tentative report
 * † Japonocapsa
 * † Japonocapsa fusiformis – or unidentified related form
 * † Japonocapsa fusiformis
 * † Jimboiceras
 * † Jimboiceras mihoense – or unidentified related form
 * † Juvenites
 * † Juvenites sinuosus
 * † Kabylites – tentative report
 * † Kabylites sp.
 * † Kaganaias – type locality for genus
 * † Kaganaias
 * † Kaganaias hakusanensis – type locality for species
 * † Kaganaias hakusanensis
 * † Kagapsychops – type locality for genus
 * † Kagapsychops aranea – type locality for species
 * † Kappachelys – type locality for genus
 * † Kappachelys okurai – type locality for species
 * † Katroma – tentative report
 * † Katroma
 * † Katroma angusta
 * † Katroma bicornus – or unidentified comparable form
 * † Katroma bicornus
 * † Katroma brevitubus
 * † Katroma clara – or unidentified comparable form
 * † Katroma clara
 * † Katroma kurusuense
 * † Katroma sp.
 * † Katroma sp. Ninformal
 * † Kayentapus
 * † Kayentapus otariensis – type locality for species
 * † Kellnerites
 * † Kellnerites bosnensis
 * † Kellnerites sp.
 * † Keriophyllia
 * † Keriophyllia sp.
 * † Khvalynites
 * † Khvalynites sp.
 * † Khytrastrea
 * † Khytrastrea ominensis – type locality for species
 * † Khytrastrea ominensis
 * † Kilinora – tentative report
 * † Kilinora spiralis
 * † Kitakamicaris – type locality for genus
 * † Kitakamicaris
 * † Kitakamicaris utatsuensis – type locality for species
 * † Kitakamicaris utatsuensis
 * † Kobayashites
 * † Kobayashites hemicylindricus
 * † Kobya
 * † Kobya ragaensis – type locality for species
 * † Kobya ragaensis
 * † Kobya shiriyaensis – type locality for species
 * † Koshisaurus – type locality for genus
 * † Koshisaurus katsuyama – type locality for species
 * † Koskinobullina – tentative report
 * † Koskinobullina
 * † Koskinobullina socialis
 * † Kourisodon
 * † Kourisodon sp.
 * † Kummelonautilus
 * † Kummelonautilus kamuy – type locality for species
 * † Kummelonautilus kamuy
 * † Kummelonautilus yamashitai – type locality for species
 * † Kummelonautilus yamashitai
 * † Kummelonautilus yezoensis – type locality for species
 * † Kummelonautilus yezoensis
 * † Kuroyuriella – type locality for genus
 * † Kuroyuriella mikikoi – type locality for species
 * † Kuwajimalla – type locality for genus
 * † Kuwajimalla kagaensis – type locality for species
 * † Kuwajimasauropus – type locality for genus
 * † Kuwajimasauropus shireminensis – type locality for species
 * † Kyushutrigonia – type locality for genus
 * † Kyushutrigonia
 * † Kyushutrigonia hachibarensis – type locality for species
 * † Kyushutrigonia hachibarensis
 * † Ladinella
 * † Ladinella porata
 * † Laevicardium – tentative report
 * † Laevicardium corpulentum
 * † Laevicardium ishidoense
 * † Lantus
 * † Lantus intermedius
 * † Lantus obesus
 * † Lantus praeobesus
 * † Lantus sixi
 * † Lantus sp.
 * † Lantus spp.
 * † Latiphyllia
 * † Latiphyllia ragaensis – type locality for species
 * † Latiphyllia sp.
 * † Latitrigonia
 * † Latitrigonia orbicularis
 * † Latitrigonia pyramidalis
 * † Latitrigonia tetoriensis
 * † Latitrigonia unicarinata
 * † Latitrigonia unituberculata
 * † Latomeandra – tentative report
 * † Latomeandra
 * † Latomeandra mitodaensis – type locality for species
 * † Latomeandra ramosa – type locality for species
 * † Latomeandra ramosa
 * † Latomeandra somaensis – type locality for species
 * † Latomeandra sp.
 * † Latomeandra tosaensis – type locality for species
 * † Latusastrea
 * † Latusastrea sp.
 * † Lauranthus – type locality for genus
 * † Lauranthus futabensis – type locality for species
 * † Laxtorum – tentative report
 * † Laxtorum
 * † Laxtorum hichisoense
 * † Laxtorum jurassicum
 * † Laxtorum sp.
 * † Laxtorum sp. Ainformal
 * † Laxtorum sp. A0informal
 * † Laxtorum sp. Binformal
 * † Laxtorum sp. Cinformal
 * † Laxtorum sp. Dinformal
 * † Laxtorum sp. T008informal
 * † Laxtorum sp. T019informal
 * † Laxuscingula – tentative report
 * † Laxuscingula obesa
 * † Leadagmara – type locality for genus
 * † Leadagmara gracilispina – type locality for species
 * † Lecompteus
 * † Lecompteus guerangeri – or unidentified comparable form
 * † Leioclema
 * † Leioclema sp.
 * † Leioclema sugiyama – type locality for species
 * † Leiophyllites – tentative report
 * † Leiophyllites
 * † Leiophyllites pitamaha – or unidentified comparable form
 * † Leiophyllites pradyumna – or unidentified related form
 * † Leiophyllites sp.
 * † Leiophyllites wakoi – type locality for species
 * † Lenticulina
 * † Lenticulina yabei
 * † Lepidotes
 * † Lepidotes macropterus – type locality for species
 * † Lepidotes sp.
 * † Leptochondria – tentative report
 * † Leptochondria
 * † Leptochondria bittneri – or unidentified comparable form
 * † Leptochondria hataii – type locality for species
 * † Leptochondria hataii
 * † Leptochondria minima – or unidentified related form
 * † Leptochondria minima
 * † Leptochondria okuyamensis
 * † Leptochondria sp.
 * † Leptochondria virgalensis – or unidentified related form
 * † Leptolepis – tentative report
 * † Leptolepis sp.
 * † Leptosolen
 * † Leptosolen japonica
 * † Leptosolen sp.
 * † Leptostrobus
 * † Leptostrobus sp. 1informal
 * † Lima – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Lima sp.
 * † Limatula – tentative report
 * † Limatula
 * † Limatula akiyamae
 * † Limatula asoensis
 * † Limatula ishidoensis
 * † Limatula iwayae
 * † Limatula nagaoi
 * † Limatula reticulata
 * † Limatula sp.
 * † Limatula tombeckiana – or unidentified comparable form
 * † Limopsis
 * † Limopsis kogata
 * † Limopsis shimonadensis
 * † Linaresia – tentative report
 * † Linaresia
 * † Linaresia beniderkoulensis
 * † Linaresia chrafatensis
 * † Linaresia rifensis
 * † Linaresia sp. Binformal
 * † Linearis
 * † Linearis cancerata
 * † Linearis nankaiana – or unidentified related form
 * † Linearis ovaloida
 * † Lingularia
 * † Lingularia sp.
 * † Linotrigonia
 * † Linotrigonia kitamurai
 * † Linotrigonia prima
 * † Linotrigonia toyamai
 * † Linuparus
 * † Linuparus japonicus – or unidentified related form
 * † Lioceratoides
 * † Lioceratoides matsumotoi
 * † Lioceratoides sp.
 * † Lioceratoides yokoyamai
 * † Liostrea
 * † Liostrea shiraiwensis
 * † Liostrea stoliczkai – or unidentified comparable form
 * † Liostrea toyorensis
 * † Lissochilus
 * † Lissochilus hanaii – type locality for species
 * † Lissodus
 * † Lissodus sp.
 * † Lithatractus
 * † Lithatractus pusillus
 * † Lithatractus pussillus
 * † Lithocampe
 * † Lithocampe manifesta
 * † Lithocampe mediocrys – or unidentified comparable form
 * † Lithocampe sp.
 * † Lithocampe wharanui
 * † Lithocodium
 * † Lithocodium aggregatum
 * † Lithostrobus
 * † Lithostrobus sp.
 * † Lithothamnion – tentative report
 * † Lithothamnion
 * † Lithothamnion sp.
 * † Livarella
 * † Livarella sp.
 * † Livarella valida
 * † Lobatannularia
 * † Lobatannularia sp. 1informal
 * † Loopus
 * † Loopus doliolum
 * † Loopus primitivus
 * † Loopus yangi
 * † Lopha
 * † Lopha marshii – or unidentified comparable form
 * † Lopha nagaoi
 * † Lopha sazanami
 * † Lopha sp.
 * † Loxo
 * † Loxo japonica
 * † Lucina – tentative report
 * † Lucina sp.
 * † Lucina toishiyamensis
 * † Luciniola
 * † Luciniola hasei
 * † Lucinoma – tentative report
 * † Lucinoma
 * † Lucinoma kotoi
 * † Lucinoma sp.
 * † Ludbrookia
 * † Ludbrookia tenuicosta – or unidentified comparable form
 * † Luisogalathea
 * † Luisogalathea tomitai
 * † Lycettia
 * † Lycettia lanceolata – or unidentified comparable form
 * † Lycettia sp.
 * † Lysis
 * † Lysis izumiensis – type locality for species
 * † Lytoceras
 * † Lytoceras ezoense
 * † Lytoceras sp. Ainformal
 * † Lytocrioceras – tentative report
 * † Lytocrioceras furcatum
 * † Lytocrioceras sp.
 * † Maeandrella – tentative report
 * † Maeandrella
 * † Maeandrella haipensis – type locality for species
 * † Maeandrella haipensis
 * † Malletia
 * † Malletia higoensis
 * † Mantelliceras
 * † Mantelliceras cantianum
 * † Mantelliceras saxbii – or unidentified comparable form
 * † Marattia
 * † Marattia sp. 1informal
 * † Marattiopsis
 * † Marattiopsis sp. 1informal
 * † Margarites
 * † Margarites funiculatus – tentative report
 * † Margarites sp.
 * † Margarophyllia
 * † Margarophyllia stylophylloides – or unidentified related form
 * † Margarophyllia stylophylloides – or unidentified comparable form
 * † Margarosmilia
 * † Margarosmilia mizukamia – type locality for species
 * † Mariella
 * † Mariella dorsetensis
 * † Mariella oeherti
 * † Mariella oehlerti – or unidentified comparable form
 * † Mariella sp.
 * † Marshallites
 * † Marshallites olcostephanoides
 * † Marshallites sp.
 * † Matonidium
 * † Matonidium sp. 1informal
 * † Matsumotoa
 * † Matsumotoa japonica
 * † Matsumotoa sp.
 * † Matsumotoa unisulcata
 * † Meandraraea – tentative report
 * † Meandraraea
 * † Meandraraea hiraigaensis – type locality for species
 * † Meandraraea hiraigaensis
 * † Meandraraea mitodaensis – type locality for species
 * † Meandraraea miyakoensis – type locality for species
 * † Meandraraea nipponica – type locality for species
 * † Meandraraea somaensis – type locality for species
 * † Meandraraea sp.
 * † Meandrophyllia
 * † Meandrophyllia meandriformis – type locality for species
 * † Meandrophyllia meandriformis – or unidentified comparable form
 * † Meandrophyllia meandroides – type locality for species
 * † Meandrophyllia meandroides – or unidentified comparable form
 * † Meandrophyllia meandroides
 * † Meandrophyllia steini – type locality for species
 * † Meekia
 * † Meekia hokkaidoana
 * † Meekoceras
 * † Meekoceras japonicum
 * † Meekoceras orientale
 * † Meekoceras sp.
 * † Meekoceras sp. Ainformal
 * † Meekoceras sp. Binformal
 * † Melanoides
 * † Melanoides minima
 * † Meleagrinella
 * † Meleagrinella japonica
 * † Meleagrinella okayamensis
 * † Meleagrinella sp.
 * † Menephiloides – type locality for genus
 * † Menephiloides minensis – type locality for species
 * † Menuites
 * † Menuites naumanni
 * † Menuites sanadai – type locality for species
 * † Menuites sanadai
 * † Menuites sp.
 * † Mesocallista
 * † Mesocallista sp.
 * † Mesochione
 * † Mesochione trigonalis
 * † Mesodermochelys – type locality for genus
 * † Mesodermochelys
 * † Mesodermochelys undulatus – type locality for species
 * † Mesodermochelys undulatus
 * † Mesolinga
 * † Mesolinga masatanii
 * † Mesomiltha – tentative report
 * † Mesomiltha tsunoensis
 * † Mesoneritina – tentative report
 * † Mesoneritina sp.
 * † Mesopuziosa
 * † Mesopuziosa sp.
 * † Mesopuzosia
 * † Mesopuzosia densicostata
 * † Mesopuzosia indopacifica – or unidentified comparable form
 * † Mesopuzosia pacifica
 * † Mesopuzosia sp.
 * † Mesopuzosia yubarensis
 * † Mesosaccella
 * † Mesosaccella insignis
 * † Mesovallupus
 * † Mesovallupus guadalupensis
 * † Metadagnoceras
 * † Metadagnoceras motoyoshiense – type locality for species
 * † Metadagnoceras sp.
 * † Metahomola
 * † Metahomola brevis – type locality for species
 * † Metahomola brevis
 * † Metaplacenticeras
 * † Metaplacenticeras subtilistriatum
 * † Metriomphalus
 * † Metriomphalus coquandi – or unidentified related form
 * † Metriomphalus nagasakiensis
 * † Micromelania – tentative report
 * † Micromelania
 * † Micromelania katoensis
 * † Micromelania sp.
 * † Micronectes
 * † Micronectes bellaturus
 * † Microsolena
 * † Microsolena japonica – type locality for species
 * † Microsolena subexcavata – type locality for species
 * † Microsolena yabei – type locality for species
 * † Microtrigonia
 * † Microtrigonia amanoi
 * † Microtrigonia imutensis
 * † Microtrigonia minima
 * † Microtrigonia tuberculata
 * † Microtubus
 * † Microtubus communis
 * † Mictyoditra
 * † Mictyoditra decora – or unidentified related form
 * † Mictyoditra decora
 * † Miliolipora
 * † Miliolipora cuvillieri
 * † Milleporidium
 * † Milleporidium somaense
 * † Milleporidium sp.
 * † Milleporidium styliferum
 * † Miltha
 * † Miltha amakusensis
 * † Miltha japonica
 * † Miltha sp.
 * † Minepharus
 * † Minepharus triadicus
 * † Minetrigonia
 * † Minetrigonia hegiensis
 * † Minetrigonia katayamai
 * † Minocapsa – tentative report
 * † Minocapsa
 * † Minocapsa cylindrica – type locality for species
 * † Minocapsa cylindrica
 * † Minocapsa globosa – type locality for species
 * † Minocapsa globosa
 * † Minocapsa megaglobosa – type locality for species
 * † Minocapsa megaglobosa
 * † Minocapsa sp.
 * † Miogaudryceras
 * † Miogaudryceras yokoii
 * † Mirifusus
 * † Mirifusus chenodes
 * † Mirifusus dianae
 * † Mirifusus fragilis
 * † Mirifusus guadalupensis – or unidentified comparable form
 * † Mirifusus praeguadalupensis
 * † Mirifusus proavus – or unidentified related form
 * † Mirifusus proavus
 * † Mirifusus sp.
 * † Mirifusus sp. Cinformal
 * † Mirifusus sp. T011informal
 * † Misikella
 * † Misikella posthernsteini
 * † Misikella sp.
 * † Mita
 * † Mita regina
 * † Mita sp. Ainformal
 * † Mita sp. A0informal
 * † Mita sp. Binformal
 * † Mita sp. T029informal
 * † Mitrodendron
 * † Mitrodendron sp.
 * † Modiolus
 * † Modiolus bakevelloides
 * † Modiolus bipartitus – or unidentified comparable form
 * † Modiolus ezoensis
 * † Modiolus falcatus
 * † Modiolus maedae
 * † Modiolus magatama
 * † Modiolus nagatoensis
 * † Modiolus okubatensis
 * † Modiolus paronaiformis
 * † Modiolus shimonadensis
 * † Modiolus sp.
 * † Modiolus subsimplex – or unidentified related form
 * † Molaspora
 * † Molaspora lobata
 * † Monjurosuchus
 * † Monjurosuchus sp.
 * † Monophyllites
 * † Monophyllites wengensis – or unidentified comparable form
 * † Monophyllites wengensis
 * † Monotis
 * † Monotis iwaiensis
 * † Monotis jakutica
 * † Monotis mukaihatensis
 * † Monotis multistriata
 * † Monotis ochotica
 * † Monotis scutiformis
 * † Monotis subcycloidea
 * † Monotis sublaevis
 * † Monotis tenuicostata
 * † Monotis zabaikalica
 * † Montastrea
 * † Montastrea nagaoi – type locality for species
 * † Montastrea orbitoides – type locality for species
 * † Montastrea orbitoides
 * † Montirictus – type locality for genus
 * † Montirictus kuwajimaensis – type locality for species
 * † Montlivaltia – tentative report
 * † Montlivaltia
 * † Montlivaltia mitodaensis – type locality for species
 * † Montlivaltia sp.
 * † Montlivaltia timorica – or unidentified comparable form
 * † Montlivaltia todanaensis – type locality for species
 * † Montlivaltia xainzaensis – or unidentified comparable form
 * † Morewites – type locality for genus
 * † Morewites sakakibarai – type locality for species
 * † Morphastrea
 * † Morphastrea pseudominima – type locality for species
 * † Morphastrea pseudominima
 * † Mortoniceras
 * † Mortoniceras rostratum – or unidentified comparable form
 * † Mortoniceras sp.
 * † Mosasaurus
 * † Mosasaurus sp.
 * † Mosasaurus sp. Binformal
 * † Muelleritortis
 * † Muelleritortis noblis – or unidentified comparable form
 * † Muranella
 * † Muranella sphaerica
 * † Murania – tentative report
 * † Murania kazmierczaki
 * † Myoconcha
 * † Myoconcha modesta
 * † Myoconcha planata
 * † Myopholas
 * † Myopholas acuticostata – or unidentified comparable form
 * † Myopholas sp.
 * † Myophorella
 * † Myophorella crenulata
 * † Myophorella dekaiboda
 * † Myophorella gracilenta
 * † Myophorella hashimotoi
 * † Myophorella hidensis
 * † Myophorella imamurai
 * † Myophorella kappazakensis
 * † Myophorella magawensis
 * † Myophorella obsoleta
 * † Myophorella ohmachii
 * † Myophorella orientalis
 * † Myophorella pulex
 * † Myophorella sigmoidalis
 * † Myophorella subcircularis
 * † Myophorella sugayensis
 * † Myophorella toyamensis
 * † Myophoria – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Myophoria
 * † Myophoria intermedia – or unidentified comparable form
 * † Myophoria sp.
 * † Myrene
 * † Myrene sp.
 * † Myrene tetoriensis
 * † Myriophyllia
 * † Myriophyllia sp.
 * † Myrtea
 * † Myrtea amalloi
 * † Myrtea angularis
 * † Myrtea ezoensis – or unidentified comparable form
 * † Myrtea ezoensis
 * † Myrtea sp.
 * † Mysidioptera
 * † Mysidioptera circularis
 * † Mysidioptera ominensis
 * † Mytiloceramus
 * † Mytiloceramus lucifer – or unidentified comparable form
 * † Mytiloides
 * † Mytiloides ipuanus
 * † Mytiloides labiatus – or unidentified comparable form
 * † Mytiloides stantoni – or unidentified comparable form
 * † Mytiloides stantoni
 * † Mytiloides striatoconcentricus – or unidentified related form
 * † Mytiloides terakoi
 * † Mytiloperna
 * † Mytiloperna ageroensis
 * † Mytilus
 * † Mytilus chohi
 * † Mytilus punctus
 * † Mytilus sp.
 * † Nabolella – tentative report
 * † Nabolella sp.informal
 * † Naefia
 * † Naefia matsumotoi
 * † Nagaoella
 * † Nagaoella corrugata
 * † Nagaoella corrugate
 * † Nagdongia
 * † Nagdongia sp.
 * † Nageiopsis
 * † Nageiopsis sp. 1informal
 * † Nageiopsis sp. 2informal
 * † Nakamuranaia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Nakamuranaia
 * † Nakamuranaia chingshanensis – or unidentified comparable form
 * † Nakamuranaia chingshanensis
 * † Nanogyra
 * † Nanogyra kumensis
 * † Nanonavis
 * † Nanonavis awajianus
 * † Nanonavis brevis
 * † Nanonavis elongatus
 * † Nanonavis pseudocarinata
 * † Nanonavis sachalinensis
 * † Nanonavis sp.
 * † Nanonavis turgida
 * † Nanonavis yokoyamai
 * † Napora – tentative report
 * † Napora
 * † Napora bona
 * † Napora bukryi
 * † Napora cerromesaensis
 * † Napora deweveri
 * † Napora latissima
 * † Napora mitrata
 * † Napora nipponica – or unidentified comparable form
 * † Napora nipponica
 * † Napora parva
 * † Napora pyramidalis
 * † Napora relica
 * † Napora saginata
 * † Napora sp.informal
 * † Napora sp.
 * † Napora sp. Ainformal
 * † Napora sp. Binformal
 * † Napora sp. B2informal
 * † Napora sp. Cinformal
 * † Napora sp. Dinformal
 * † Napora sp. D0informal
 * † Napora sp. D2informal
 * † Napora sp. Einformal
 * † Napora sp. Finformal
 * † Napora sp. F2informal
 * † Napora sp. Ginformal
 * † Napora sp. Hinformal
 * † Napora sp. Iinformal
 * † Napora sp. Jinformal
 * † Napora sp. Kinformal
 * † Napora sp. Sy01informal
 * † Napora sp. T009informal
 * † Napora sp. T022informal
 * † Napora sp. T032informal
 * † Napora spp.
 * † Napora wakitai
 * † Naropa
 * † Naropa vi
 * † Natica
 * † Natica nipponica
 * † Naticopsis
 * † Naticopsis sp.
 * † Natoba
 * † Natoba minuta
 * † Necrocarcinus
 * † Necrocarcinus undecintuberculatus
 * † Nefocoenia
 * † Nefocoenia favosites – or unidentified comparable form
 * † Neithea – tentative report
 * † Neithea
 * † Neithea aketoensis
 * † Neithea atava
 * † Neithea ficalhoi
 * † Neithea kochiensis
 * † Neithea matsumotoi
 * † Neithea nipponica
 * † Neithea notabilis
 * † Neithea sp.
 * † Neithea syriaca
 * † Nekewis
 * † Nekewis sp.
 * † Nemegtosaurus – or unidentified comparable form
 * † Nemegtosaurus sp.
 * † Nemocardium
 * † Nemocardium koshikijimense
 * † Nemocardium kyushuensis
 * † Nemocardium yatsushiroense
 * † Nemodon
 * † Nemodon sp.
 * † Neoburmesia
 * † Neoburmesia iwakiensis
 * † Neocalamites
 * † Neocalamites sp. 1informal
 * † Neocalamites sp. 2informal
 * † Neocolumbites
 * † Neocolumbites sp.
 * † Neocrassina
 * † Neocrassina subdepressa – or unidentified comparable form
 * † Neocrioceras
 * † Neocrioceras dentatum – type locality for species
 * † Neogondolella
 * † Neogondolella polygnathiformis
 * † Neohibolites
 * † Neohibolites sp.
 * † Neomiodon – tentative report
 * † Neomiodon amagashiraensis
 * † Neophylloceras
 * † Neophylloceras hetonaiense
 * † Neophylloceras mikobokense – or unidentified related form
 * † Neophylloceras nera – or unidentified comparable form
 * † Neophylloceras ramosum
 * † Neophylloceras sp. – tentative report
 * † Neophylloceras sp.
 * † Neophylloceras subramosum
 * † Neopuzosia
 * † Neopuzosia ishikawai
 * † Neopuzosia sp.
 * † Neoschizodus – tentative report
 * † Neoschizodus
 * † Neoschizodus dieneri
 * † Neoschizodus kawarensis
 * † Neoschizodus laevigatus – or unidentified comparable form
 * † Neoschizodus nakajimensis
 * † Neoschizodus okunominetaniensis
 * † Neoschizodus semicostatus
 * † Neoschizodus shikii
 * † Neoschizodus tangoensis
 * † Neoschizodus tokyoensis
 * † Neoschizodus usugataniensis
 * † Neozamites
 * † Neozamites sp.
 * † Neridomus
 * † Neridomus dolichostoma – or unidentified comparable form
 * † Nerinea
 * † Nerinea shiidai
 * † Nerineopsis
 * † Nerineopsis sp.
 * † Nerinoides – tentative report
 * † Nerinoides oshimensis
 * † Neritopsis
 * † Neritopsis sp.
 * † Neritopsis tanohatensis – type locality for species
 * † Neritopsis tanohatensis
 * † Nigeria
 * † Nigeria sp.
 * † Nilsonia
 * † Nilsonia kotoi
 * † Nilsonia kutai
 * † Nilsonia nipponensis
 * † Nilsonia orientalis
 * † Nilsonia sp.informal
 * † Nilsonia sp.
 * † Nippanoptilophyllum
 * † Nippanoptilophyllum sp. 1informal
 * † Nipponamia – type locality for genus
 * † Nipponamia satoi – type locality for species
 * † Nipponicorbula
 * † Nipponicorbula mifunensis
 * † Nipponites
 * † Nipponites bacchus
 * † Nipponites sp.
 * † Nipponitrigonia
 * † Nipponitrigonia choshiensis
 * † Nipponitrigonia convexa
 * † Nipponitrigonia furukawensis
 * † Nipponitrigonia kikuchiana
 * † Nipponitrigonia plicata
 * † Nipponitrigonia quadrata
 * † Nipponitrigonia sagawai
 * † Nipponitrigonia sakamotoensis
 * † Nipponitrigonia sanchuensis
 * † Nipponitrigonia sp.
 * † Nipponitrigonia tashiroi
 * † Nipponitys – type locality for genus
 * † Nipponitys
 * † Nipponitys acutangularis – type locality for species
 * † Nipponitys acutangularis
 * † Nipponitys inouei – type locality for species
 * † Nipponitys magna – or unidentified comparable form
 * † Nipponoblatta – type locality for genus
 * † Nipponoblatta suzugaminae – type locality for species
 * † Nipponohagla – type locality for genus
 * † Nipponohagla kaga – type locality for species
 * † Nippononaia
 * † Nippononaia ryosekiana
 * † Nippononaia tetoriensis
 * † Nippononectes
 * † Nippononectes monobensis
 * † Nippononectes tamurai
 * † Nipponophycus
 * † Nipponophycus kanmerai
 * † Nipponoridium
 * † Nipponoridium matsuoi – type locality for species
 * † Nipponoteuthis – type locality for genus
 * † Nipponoteuthis katana – type locality for species
 * † Nipponothracia
 * † Nipponothracia ponbetsensis – or unidentified comparable form
 * † Nipponothracia ponbetsensis
 * † Nipponothracia yezoensis
 * † Nippontrigonia
 * † Nippontrigonia tashiroi
 * † Nippontrigonia tashirol
 * † Nododelphinula
 * † Nododelphinula hiraigensis – type locality for species
 * † Nodosaria
 * † Nodosaria sp.
 * † Nordophiceratoides
 * † Nordophiceratoides bartolinae
 * † Noritus – tentative report
 * † Noritus
 * † Noritus lillihornensis
 * † Noritus sp.
 * † Nostoceras – tentative report
 * † Nostoceras
 * † Nostoceras hetonaiense – or unidentified comparable form
 * † Nostoceras hetonaiense
 * † Nostoceras sp.
 * † Notidanodon
 * † Notidanodon lanceolatus
 * † Notidanodon sp.
 * † Notidanoton
 * † Notidanoton sp.
 * † Notopocorystes
 * † Notopocorystes intermedius
 * † Notopocorystes japonicus
 * † Notorhynchus
 * † Notorhynchus sp.
 * † Novixitus
 * † Novixitus weyli
 * † Novodiacanthocapsa
 * † Novodiacanthocapsa manifesta
 * † Nucinella
 * † Nucinella gigantea
 * † Nucula – tentative report
 * † Nucula
 * † Nucula amanoi
 * † Nucula azenotanensis
 * † Nucula formosa
 * † Nucula iwayai
 * † Nucula izumensis
 * † Nucula kochiensis
 * † Nucula nakaminatoensis
 * † Nucula pectinata – or unidentified related form
 * † Nucula shichiensis
 * † Nuculana
 * † Nuculana erinoensis
 * † Nuculana excavata – or unidentified related form
 * † Nuculana konishii
 * † Nuculana minutula
 * † Nuculana nogamii
 * † Nuculana sambonsugii
 * † Nuculana sanchuensis
 * † Nuculana sp.
 * † Nuculana stenodolichos
 * † Nuculana toriyamae
 * † Nuculana yatsushiroensis
 * † Nuculopsis
 * † Nuculopsis sp.
 * † Obesacapsula
 * † Obesacapsula morroensis
 * † Ochetoceras
 * † Ochetoceras irregulare – or unidentified comparable form
 * † Ochetoceras sp.
 * † Odontaspis
 * † Odontaspis sp.
 * † Oertlispongus
 * † Oertlispongus inaequispinosus – or unidentified comparable form
 * † Ogilvinella
 * † Ogilvinella tosaensis – type locality for species
 * † Olenekoceras
 * † Olenekoceras middendorffi – or unidentified comparable form
 * † Onkospira
 * † Onkospira haipensis – type locality for species
 * † Onychiopis
 * † Onychiopis elongata
 * † Onychiopsis
 * † Onychiopsis elongata
 * † Onychiopsis sp. 1informal
 * † Oolina
 * † Oolina globosa
 * † Ooliticia
 * † Ooliticia sp.
 * † Ophiceras – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Ophiceras sp.
 * † Ophthalmidium
 * † Ophthalmidium exiguum
 * † Opis
 * † Opis amakusensis
 * † Opis haginoensis
 * † Opis hokkaidoensis
 * † Opis nakanoi
 * † Opis sp.
 * † Opis torinosuensis
 * † Opis trigonalis
 * † Orbiculiforma – tentative report
 * † Orbiculiforma
 * † Orbiculiforma kanayamaensis
 * † Orbiculiforma monticelloensis
 * † Orbiculiforma plana – type locality for species
 * † Orbiculiforma plana
 * † Orbiculiforma quadrata
 * † Orbiculiforma renillaeformis
 * † Orbiculiforma sakaii
 * † Orbiculiforma sp.
 * † Orbiculiforma sp. Ainformal
 * † Orbiculiforma sp. A0informal
 * † Orbiculiforma sp. A02informal
 * † Orbiculiforma sp. A2informal
 * † Orbiculiforma sp. A3informal
 * † Orbiculiforma sp. A4informal
 * † Orbiculiforma sp. A5informal
 * † Orbiculiforma sp. A6informal
 * † Orbiculiforma sp. Binformal
 * † Orbiculiforma sp. B0informal
 * † Orbiculiforma sp. B2informal
 * † Orbiculiforma sp. Dinformal
 * † Orbiculiformella
 * † Orbiculiformella sp.
 * † Orbiculoidea
 * † Orbiculoidea sibirica – or unidentified comparable form
 * † Orbiculoidea sp.
 * † Orbitolina
 * † Orbitolina lenticularis
 * † Orbitolina sp.
 * † Orthacanthus
 * † Orthacanthus sp.
 * † Orthophlebia
 * † Orthophlebia haradai – type locality for species
 * † Orthotrigonia – tentative report
 * † Orthotrigonia midareta
 * † Osmundopsis
 * † Osmundopsis distans
 * † Osmundopsis sp. 1informal
 * † Ostenocaris
 * † Ostenocaris sp.
 * † Ostrea – tentative report
 * † Ostrea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Ostrea
 * † Ostrea cunabula – or unidentified related form
 * † Ostrea sp.
 * † Ostringoceras
 * † Ostringoceras bechii – or unidentified comparable form
 * † Otapiria
 * † Otapiria dubia
 * † Otapiria kanmerai
 * † Otoscaphites
 * † Otoscaphites klamathensis
 * † Otoscaphites matsumotoi
 * † Otoscaphites perrini – or unidentified comparable form
 * † Otoscaphites perrini
 * † Otoscaphites puerculus
 * † Otostoma
 * † Otostoma japonicum – or unidentified comparable form
 * † Otostoma japonicum
 * † Otozamites
 * † Otozamites sp.
 * † Otozamites sp. 1informal
 * † Otozamites sp. 2informal
 * † Otozamites sp. 3informal
 * † Otozamites sp. 4informal
 * † Ovalastrea – tentative report
 * † Ovalastrea
 * † Ovalastrea sp.
 * † Owenites
 * † Owenites koeneni
 * † Oxybeloceras
 * † Oxybeloceras humei – or unidentified related form
 * † Oxytoma – tentative report
 * † Oxytoma
 * † Oxytoma atsuensis
 * † Oxytoma cygnipes – or unidentified comparable form
 * † Oxytoma dieneri
 * † Oxytoma inequivalvis
 * † Oxytoma kashiwaiensis
 * † Oxytoma kobayashii
 * † Oxytoma mojsisovicsi
 * † Oxytoma multistriata
 * † Oxytoma tetoriense
 * † Oxytoma tetoriensis
 * † Ozodochilus
 * † Ozodochilus cossmanni – type locality for species
 * † Pachydesmoceras
 * † Pachydesmoceras denisonianum – tentative report
 * † Pachydesmoceras sp.
 * † Pachydiscus – tentative report
 * † Pachydiscus
 * † Pachydiscus awajiensis – type locality for species
 * † Pachydiscus awajiensis – or unidentified related form
 * † Pachydiscus awajiensis – or unidentified comparable form
 * † Pachydiscus excelsus
 * † Pachydiscus flexuosus
 * † Pachydiscus sp.
 * † Pachydiscus subcompressus – or unidentified related form
 * † Pachygenys
 * † Pachygenys adachii – type locality for species
 * † Pachymya
 * † Pachymya longzhaogouensis
 * † Pachyoncus
 * † Pachyoncus sp.informal
 * † Pachypteris
 * † Pachypteris sp. 1informal
 * † Paki
 * † Paki rurkonsimpu
 * † Palaega
 * † Palaega yamadai
 * † Palaelophacmaea
 * † Palaelophacmaea annulata
 * † Palaeocardita
 * † Palaeocardita sp.
 * † Palaeolituonella
 * † Palaeolituonella meridionalis – or unidentified comparable form
 * † Palaeolituonella meridionalis
 * † Palaeoneilo
 * † Palaeoneilo elliptica – or unidentified comparable form
 * † Palaeoneilo fujinohira
 * † Palaeoneilo iwaiensis
 * † Palaeoneilo oviformis – or unidentified comparable form
 * † Palaeoneilo sakuradaniensis
 * † Palaeoneilo sp.
 * † Palaeoneilo sp. alphainformal
 * † Palaeoneilo sp. deltainformal
 * † Palaeoneilo sp. gammainformal
 * † Palaeoneilo telliniformis
 * † Palaeonucula
 * † Palaeonucula expansa – or unidentified related form
 * † Palaeonucula ishidoensis
 * † Palaeonucula makitoensis
 * † Palaeopharus
 * † Palaeopharus maizurensis
 * † Palaeopharus oblongatus
 * † Palaeopharus paucicostatus
 * † Palaeosaturnalis
 * † Palaeosaturnalis fluegeli – or unidentified comparable form
 * † Palaeosaturnalis karnicus – or unidentified related form
 * † Palaeosaturnalis prinevillensis – or unidentified related form
 * † Palaeosaturnalis sp.
 * † Palaeosaturnalis sp. Dinformal
 * † Paleolituonella
 * † Paleolituonella meridionalis
 * † Palinandromeda – tentative report
 * † Palinandromeda
 * † Palinandromeda depressa – or unidentified related form
 * † Palinandromeda podbielensis
 * † Palinandromeda praepodbielensis
 * † Palinandromeda sognoensis
 * † Palinandromeda songoensis
 * † Palinandromeda sp.informal
 * † Palinandromeda sp.
 * † Palinandromeda sp. Binformal
 * † Palinandromeda sp. Cinformal
 * † Palinandromeda sp. Dinformal
 * † Palinandromeda sp. Einformal
 * † Palinandromeda sp. Ginformal
 * † Palinandromeda sp. Yinformal
 * † Palinandromeda sp. Zinformal
 * † Palinandromeda spongoensis
 * † Palmula
 * † Palmula sp.
 * † Panopea
 * † Panopea nagaoi
 * † Panopea plicata
 * † Panopea sp.
 * † Pantanellium – tentative report
 * † Pantanellium
 * † Pantanellium brevispinum
 * † Pantanellium danaense – or unidentified comparable form
 * † Pantanellium inornatum
 * † Pantanellium kluense – or unidentified related form
 * † Pantanellium kluense – or unidentified comparable form
 * † Pantanellium oligoporum
 * † Pantanellium riedeli
 * † Pantanellium rothwelli – or unidentified comparable form
 * † Pantanellium sp.
 * † Pantanellium sp. Ainformal
 * † Pantanellium sp. A2informal
 * † Pantanellium sp. Binformal
 * † Pantanellium sp. B2informal
 * † Pantanellium sp. Cinformal
 * † Pantanellium sp. C2informal
 * † Pantanellium sp. C3informal
 * † Pantanellium sp. Linformal
 * † Pantanellium tanuense
 * † Pantanellium virgeum
 * † Paraceratites
 * † Paraceratites orientalis – type locality for species
 * † Paraceratites trinodosus – or unidentified comparable form
 * † Parachaetetes – tentative report
 * † Parachaetetes
 * † Parachaetetes cassiana – or unidentified comparable form
 * † Parachaetetes cassiana
 * † Paracymatoceras
 * † Paracymatoceras tunghaicum – type locality for species
 * † Paracymatoceras tunghaicum
 * † Paradeningeria
 * † Paradeningeria sp.
 * † Paragalathea
 * † Paragalathea miyakoensis
 * † Parahoplites
 * † Parahoplites colossus
 * † Parahsuum – tentative report
 * † Parahsuum
 * † Parahsuum cruciferum – or unidentified related form
 * † Parahsuum cruciferum
 * † Parahsuum dentatum – or unidentified related form
 * † Parahsuum dentatum
 * † Parahsuum edenshawi
 * † Parahsuum formosum
 * † Parahsuum grande
 * † Parahsuum grantum
 * † Parahsuum hiconocosta
 * † Parahsuum izeense
 * † Parahsuum kanyoense – or unidentified comparable form
 * † Parahsuum kanyoense
 * † Parahsuum levicostatum – or unidentified comparable form
 * † Parahsuum levicostatum
 * † Parahsuum longiconicum – or unidentified related form
 * † Parahsuum longiconicum – or unidentified comparable form
 * † Parahsuum longiconicum
 * † Parahsuum longiconum – or unidentified related form
 * † Parahsuum magnum – or unidentified related form
 * † Parahsuum magnum
 * † Parahsuum mostleri
 * † Parahsuum natorense
 * † Parahsuum officerense – or unidentified related form
 * † Parahsuum officerense
 * † Parahsuum olorizi
 * † Parahsuum ovale – or unidentified related form
 * † Parahsuum ovale
 * † Parahsuum parvum – or unidentified related form
 * † Parahsuum parvum
 * † Parahsuum simplum – or unidentified comparable form
 * † Parahsuum simplum
 * † Parahsuum sp.
 * † Parahsuum sp. Ainformal
 * † Parahsuum sp. Binformal
 * † Parahsuum sp. B0informal
 * † Parahsuum sp. B2informal
 * † Parahsuum sp. B3informal
 * † Parahsuum sp. B4informal
 * † Parahsuum sp. B5informal
 * † Parahsuum sp. Cinformal
 * † Parahsuum sp. C0informal
 * † Parahsuum sp. C2informal
 * † Parahsuum sp. C3informal
 * † Parahsuum sp. Dinformal
 * † Parahsuum sp. Finformal
 * † Parahsuum sp. Ginformal
 * † Parahsuum sp. Hinformal
 * † Parahsuum sp. Iinformal
 * † Parahsuum sp. Jinformal
 * † Parahsuum sp. L0informal
 * † Parahsuum sp. Q0informal
 * † Parahsuum sp. Rinformal
 * † Parahsuum sp. Sinformal
 * † Parahsuum sp. SY01informal
 * † Parahsuum sp. SY02informal
 * † Parahsuum sp. SY03informal
 * † Parahsuum sp. SY04informal
 * † Parahsuum sp. SY05informal
 * † Parahsuum sp. SY06informal
 * † Parahsuum sp. Tinformal
 * † Parahsuum sp. T0informal
 * † Parahsuum sp. T018informal
 * † Parahsuum sp. Winformal
 * † Parahsuum stanleyense
 * † Parahsuum transiens
 * † Parainoceramya
 * † Parainoceramya fusca – or unidentified related form
 * † Parajaubertella
 * † Parajaubertella kawakitana
 * † Parajaubertella sp.
 * † Paraleptolepis – type locality for genus
 * † Paraleptolepis
 * † Paraleptolepis elegans
 * † Paraleptolepis kikuchii – type locality for species
 * † Parallelodon – tentative report
 * † Parallelodon
 * † Parallelodon inflatus
 * † Parallelodon infraliassicus
 * † Parallelodon infrequens
 * † Parallelodon kesennumensis
 * † Parallelodon kobayashii
 * † Parallelodon koikensis – or unidentified comparable form
 * † Parallelodon koikensis
 * † Parallelodon monobensis
 * † Parallelodon nipponicus
 * † Parallelodon niranohamensis
 * † Parallelodon subnavicellus
 * † Paranannites
 * † Paranannites sp.
 * † Paranodonta
 * † Paranodonta otai
 * † Paraophthalmidium
 * † Paraophthalmidium carpathicum
 * † Paraorthacodus
 * † Paraorthacodus sp.
 * † Paraplacuna
 * † Paraplacuna reticularis
 * † Parasaturnalis – tentative report
 * † Parasaturnalis
 * † Parasaturnalis diplocyclis
 * † Parasepsagon
 * † Parasepsagon leptaleus – type locality for species
 * † Parasepsagon variabilis
 * † Parasequoia
 * † Parasequoia sp. 1informal
 * † Parastromatopora
 * † Parastromatopora crassifibra
 * † Parastromatopora japonica
 * † Parastromatopora kotoi
 * † Parastromatopora memorianaumanni
 * † Parastromatopora minutissima
 * † Parastromatopora mitodaensis
 * † Parastromatopora sp.
 * † Paratrachyceras
 * † Paratrachyceras sp.
 * † Paratriassocampe
 * † Paratriassocampe sp.
 * † Paravolzeia
 * † Paravolzeia alpina
 * † Parentactinia
 * † Parentactinia nakatsugawaensis
 * † Parentactinia oguchichibuensis
 * † Parentactinia okuchichibuensis
 * † Parentactinia ramosus
 * † Parentactinia sp.
 * † Parmicorbula
 * † Parmicorbula obsoleta
 * † Paroertlispongus
 * † Paroertlispongus mostleri
 * † Paroertlispongus sp.
 * † Paronaella – tentative report
 * † Paronaella
 * † Paronaella bandyi – or unidentified related form
 * † Paronaella bandyi
 * † Paronaella broenimanni
 * † Paronaella corpulenta
 * † Paronaella denudata
 * † Paronaella grahamensis
 * † Paronaella kotura
 * † Paronaella mulleri – or unidentified comparable form
 * † Paronaella mulleri
 * † Paronaella pristidentata
 * † Paronaella skowkonaensis
 * † Paronaella sp.informal
 * † Paronaella sp.
 * † Paronaella sp. Ainformal
 * † Paronaella sp. Binformal
 * † Paronaella sp. Cinformal
 * † Paronaella sp. C0informal
 * † Paronaella sp. Dinformal
 * † Paronaella sp. Einformal
 * † Paronaella sp. Ginformal
 * † Paronaella sp. Hinformal
 * † Paronaella sp. Iinformal
 * † Paronaella sp. Jinformal
 * † Paronaella sp. Kinformal
 * † Paronaella sp. Linformal
 * † Paronaella sp. Minformal
 * † Paronaella sp. Ninformal
 * † Paronaella sp. Pinformal
 * † Paronaella sp. SY01informal
 * † Paronaella sp. SY02informal
 * † Paronaella sp. SY03informal
 * † Paronaella sp. SY04informal
 * † Paronaella sp. SY05informal
 * † Paronaella sp. SY06informal
 * † Paronaella sp. SY07informal
 * † Paronaella spp.
 * † Paronaella trifoliacea – or unidentified related form
 * † Parvamussium
 * † Parvamussium coweri
 * † Parvamussium cowperi
 * † Parvamussium habunokawense
 * † Parvamussium hinagense
 * † Parvamussium kattoi – type locality for species
 * † Parvamussium kimurai
 * † Parvamussium sp.
 * † Parvamussium tosaense
 * † Parvamussium yabarensis
 * † Parvamussium yubarense
 * † Parvamussium yubarensis
 * † Parvicingula – tentative report
 * † Parvicingula
 * † Parvicingula boesi – or unidentified comparable form
 * † Parvicingula citae
 * † Parvicingula dhimenaensis – or unidentified comparable form
 * † Parvicingula mashitaensis
 * † Parvicingula robusta – type locality for species
 * † Parvicingula robusta
 * † Parvicingula sp.
 * † Parvicingula sp. Ainformal
 * † Parvicingula sp. Cinformal
 * † Parvicingula sp. C2informal
 * † Parvicingula sp. Dinformal
 * † Parvicingula sp. E2informal
 * † Parvicingula sp. F2informal
 * † Parvicingula sp. G0informal
 * † Parvicingula sp. L3informal
 * † Parvicingula sp. SY01informal
 * † Parvicingula sp. SY02informal
 * † Parvicingula sp. SY03informal
 * † Parvicingula sp. SY04informal
 * † Parvicingula sp. SY05informal
 * † Parvicingula sp. SY06informal
 * † Parvicingula spinata
 * † Parvicingula spp.
 * † Parvifasus – tentative report
 * † Parvifasus sp.
 * † Parvifavus
 * † Parvifavus irregularis
 * † Parvifavus sp. Ainformal
 * † Parvifavus sp. Binformal
 * † Parvifavus sp. B0informal
 * † Parvivacca
 * † Parvivacca sp. Ainformal
 * † Parvivacca sp. A0informal
 * † Patagiosites
 * † Patagiosites laevis – type locality for species
 * † Patagiosites sp.
 * † Patella
 * † Patella miyakoensis – type locality for species
 * † Patella sp.
 * † Patelloida
 * † Patelloida obirensis – type locality for species
 * † Patulibracchium
 * † Patulibracchium sp.
 * † Payandea
 * † Payandea japanica – or unidentified comparable form
 * † Pecten – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Pecten amuricus – or unidentified related form
 * † Pecten sp.
 * † Pectinella
 * † Pectinella miyakoensis
 * † Pectinucula
 * † Pectinucula tosaensis
 * † Pedinoblatta
 * † Pedinoblatta ishidae – type locality for species
 * † Pegoxystris – type locality for genus
 * † Pegoxystris
 * † Pegoxystris mizutanii – type locality for species
 * † Pegoxystris sp. Ainformal
 * † Pentabelus – type locality for genus
 * † Pentabelus
 * † Pentabelus furutanii – type locality for species
 * † Pentabelus furutanii
 * † Pentabelus itoigawai
 * † Pentactinocarpus
 * † Pentactinocarpus acanthicus – or unidentified comparable form
 * † Pentactinocarpus fusiformis
 * † Pentaspongodiscus – tentative report
 * † Pentaspongodiscus dihexacanthus
 * † Periploma
 * † Periploma altissimum
 * † Periploma ambigua
 * † Periploma japonica
 * † Periploma mifunensis – or unidentified related form
 * † Periplomya
 * † Periplomya grandis
 * † Periplomya japonica
 * † Periplomya nagaoi
 * † Periplomya sp.
 * † Perisphinctes
 * † Perisphinctes kiritaniensis
 * † Perisphinctes matsushimai
 * † Perisphinctes sp.
 * † Perispyridium
 * † Perispyridium hippaense
 * † Perispyridium ordinarium
 * † Perispyridium oregonense
 * † Perispyridium sp.
 * † Perispyridium sp. Ainformal
 * † Perispyridium sp. A0informal
 * † Perispyridium sp. Binformal
 * † Perispyridium sp. B2informal
 * † Perispyridium sp. Cinformal
 * † Perispyridium sp. Dinformal
 * † Perispyridium sp. Einformal
 * † Perispyridium sp. E2informal
 * † Perispyridium sp. Finformal
 * † Perissoptera
 * † Perissoptera elegans
 * † Permocorynella
 * † Permocorynella sp. 1informal
 * † Permocorynella sp. 2informal
 * † Peroniceras
 * † Peroniceras subfibulatum
 * † Peronidella
 * † Peronidella sp.
 * † Perseus – tentative report
 * † Perseus
 * † Perseus hachimanensis
 * † Perseus sp.
 * † Perseus sp. Ainformal
 * † Pharella
 * † Pharella sp.
 * † Phaseliforma
 * † Phaseliforma laxa – or unidentified comparable form
 * † Phelopteria
 * † Phelopteria erecta
 * † Phlebopteris
 * † Phlebopteris sp. 1informal
 * † Phoenicopsis
 * † Phoenicopsis sp. 1informal
 * † Phoenicopsis sp. 2informal
 * † Pholadomya – tentative report
 * † Pholadomya
 * † Pholadomya ashikitensis
 * † Pholadomya brevitesta
 * † Pholadomya cornueliana – or unidentified related form
 * † Pholadomya japonica
 * † Pholadomya miyamotoi
 * † Pholadomya somensis
 * † Pholadomya subpedelnalis
 * † Pholadomya tuberculata
 * † Phylloceras
 * † Phylloceras consanguineum – or unidentified comparable form
 * † Phyllopachyceras
 * † Phyllopachyceras ezoense
 * † Phyllopachyceras ezoensis
 * † Phyllopachyceras infundibulum – or unidentified related form
 * † Phyllopachyceras infundibulum
 * † Phyllopachyceras sp.
 * † Phyllotheca
 * † Phyllotheca sp. 1informal
 * † Piallina – tentative report
 * † Piallina
 * † Piallina bronnimanni
 * † Piallina tethydis
 * † Piarorhynchia
 * † Piarorhynchia sp.
 * † Pictetia
 * † Pictetia astieriana
 * † Pietteia
 * † Pietteia cretacea
 * † Pinacophyllum – tentative report
 * † Pinacophyllum sp.
 * † Pinctada
 * † Pinctada matsumotoi
 * † Pinna – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Pinna
 * † Pinna atriniformis
 * † Pinna mitis – or unidentified comparable form
 * † Pinna muikadaniensis
 * † Pinna robinaldina – or unidentified comparable form
 * † Pinna saitoi
 * † Pinna sandsfootensis – or unidentified related form
 * † Pinna sp.
 * † Pityophyllum
 * † Pityophyllum sp. 1informal
 * † Placocoenia – tentative report
 * † Placocoenia
 * † Placocoenia hideshimaensis – type locality for species
 * † Placocoenia japonica – type locality for species
 * † Placocoenia ohinataensis – type locality for species
 * † Placocoenia ohinataensis
 * † Placocoenia tanohataensis – type locality for species
 * † Placunopsis
 * † Placunopsis aptiana
 * † Placunopsis linensis – or unidentified related form
 * † Placunopsis pseudotruncata
 * † Placunopsis sp.
 * † Plafkerium – tentative report
 * † Plafkerium
 * † Plafkerium antiquum
 * † Plafkerium sp.
 * † Plafkerium variabilis
 * † Plagiostoma – tentative report
 * † Plagiostoma
 * † Plagiostoma enormicosta
 * † Plagiostoma higaeribarense
 * † Plagiostoma kobayashii
 * † Plagiostoma kuromagariense
 * † Plagiostoma matsumotoi
 * † Plagiostoma sanrikuense
 * † Plagiostoma subcardiiforme – or unidentified related form
 * † Planiinvoluta
 * † Planiinvoluta carinata
 * † Planiinvoluta sp.
 * † Plectomya
 * † Plectomya anglica – or unidentified related form
 * † Plectomya aritagawana
 * † Plectomya punctostriae
 * † Pleesus
 * † Pleesus aptus
 * † Pleesus sp.
 * † Pleesus spp.
 * † Plesiosaurus
 * † Plesiosaurus sp.
 * † Plesiotexanites
 * † Plesiotexanites kawasakii – or unidentified comparable form
 * † Plesiotexanites sp.
 * † Pleurogrammatodon
 * † Pleurogrammatodon elongatus
 * † Pleurogrammatodon splendens
 * † Pleuromeia
 * † Pleuromeia sp. 1informal
 * † Pleuromya
 * † Pleuromya baoqingensis
 * † Pleuromya forsbergi
 * † Pleuromya hashidatensis
 * † Pleuromya hidensis
 * † Pleuromya wakasana
 * † Pleuronectites
 * † Pleuronectites hirabarensis
 * † Pleuronectites laevigatus – or unidentified related form
 * † Pleurosternon – tentative report
 * † Pleurosternon sp.
 * † Pleurostylina
 * † Pleurostylina hiraigaensis – type locality for species
 * † Pleurostylina hiraigaensis
 * † Plexoramea – tentative report
 * † Plexoramea
 * † Plexoramea cerebriformis
 * † Plexoramea gracilis
 * † Plicaforacapsa
 * † Plicaforacapsa elegans – type locality for species
 * † Plicatifera – tentative report
 * † Plicatifera sp.
 * † Plicatolamna
 * † Plicatolamna macrorhiza
 * † Plicatounio
 * † Plicatounio kobayashii
 * † Plicatounio kwanmonensis
 * † Plicatounio naktongensis
 * † Plicatounio sp.
 * † Plicatounio triangularis
 * † Plicatula
 * † Plicatula dichotomocosta
 * † Plicatula hekiensis
 * † Plicatula kiiensis
 * † Plicatula praenipponica
 * † Plicatula sp.
 * † Plicatula subcircularis
 * † Plicatula yatsujiensis
 * † Podobursa – tentative report
 * † Podobursa
 * † Podobursa helvetica
 * † Podobursa polyacantha
 * † Podobursa quadriaculeata – or unidentified related form
 * † Podobursa sp.
 * † Podobursa triacantha
 * † Podobursa typica
 * † Podocapsa – tentative report
 * † Podocapsa
 * † Podocapsa amphitreptera
 * † Podocapsa sp.
 * † Podocarpites
 * † Podocarpites sp. 1informal
 * † Podocarpus
 * † Podocarpus reinii
 * † Podocarpus sp.
 * † Podocarpus tedoriensis
 * † Podocarpus yokoyamai
 * † Podozamites
 * † Podozamites anguistifolius
 * † Podozamites lanceolatus
 * † Podozamites sp. 1informal
 * † Podozamites sp. 2informal
 * † Podozamites sp. 3informal
 * † Podozamites sp. 4informal
 * † Podozamites sp. 5informal
 * † Podozamites sp. 6informal
 * † Podozamites sp. 7informal
 * † Podozamites sp. 8informal
 * † Podozamites sp. 9informal
 * † Polarisella
 * † Polarisella sp.
 * † Polyacrodus
 * † Polyacrodus minimus
 * † Polyacrodus sp.
 * † Polyentactinia – tentative report
 * † Polyentactinia biacus – type locality for species
 * † Polyentactinia crux – type locality for species
 * † Polyentactinia crux – or unidentified comparable form
 * † Polyphylloseris
 * † Polyphylloseris distefanoi – type locality for species
 * † Polyphylloseris iwateensis – type locality for species
 * † Polyphylloseris mammillata – type locality for species
 * † Polyphylloseris mammillata
 * † Polypodites
 * † Polypodites sp. 1informal
 * † Polypodites sp. 2informal
 * † Polyptychoceras
 * † Polyptychoceras haradanum – or unidentified comparable form
 * † Polyptychoceras haradanum
 * † Polyptychoceras jimboi
 * † Polyptychoceras obatai
 * † Polyptychoceras obstrictum
 * † Polyptychoceras pseudogaultinum – or unidentified comparable form
 * † Polyptychoceras pseudogaultinum
 * † Polyptychoceras sp.
 * † Polyptychoceras subquadratum – or unidentified comparable form
 * † Polyptychoceras yubarense
 * † Polyptychodon
 * † Polyptychodon interruptus – or unidentified comparable form
 * † Portlandia
 * † Portlandia furcata
 * † Portlandia izumensis
 * † Portlandia obliquistriata
 * † Portlandia sanchuensis
 * † Posidonotis
 * † Posidonotis dainellii
 * † Poulpus
 * † Poulpus nishimurae – type locality for species
 * † Poulpus nishimurae – or unidentified comparable form
 * † Poulpus sp. Ainformal
 * † Poulpus sp. Binformal
 * † Poulpus sp. Oinformal
 * † Praecaprotina
 * † Praecaprotina yaegashii
 * † Praeconia
 * † Praeconia tetragona – or unidentified comparable form
 * † Praeconocaryomma – tentative report
 * † Praeconocaryomma
 * † Praeconocaryomma bajaensis
 * † Praeconocaryomma californiaensis
 * † Praeconocaryomma decoraex gr.
 * † Praeconocaryomma sarahae
 * † Praeconocaryomma sp.
 * † Praeconocaryomma sp. A2informal
 * † Praeconocaryomma sp. Binformal
 * † Praeconocaryomma sp. B0informal
 * † Praeconocaryomma sp. B2informal
 * † Praeconocaryomma sp. Cinformal
 * † Praeconocaryomma sp. Dinformal
 * † Praeconocaryomma sp. SY01informal
 * † Praeconocaryomma sp. SY02informal
 * † Praeconocaryomma universa
 * † Praeconocaryomma whiteavesi
 * † Praeconosphaera – tentative report
 * † Praeconosphaera
 * † Praeconosphaera sp.
 * † Praeconosphaera sp. Ainformal
 * † Praeconosphaera sphaeroconus
 * † Praeglobetruncana
 * † Praeglobetruncana stephani
 * † Praehexasaturnalis
 * † Praehexasaturnalis tenuispinosus – or unidentified related form
 * † Praehexasaturnalis tetraradiatus
 * † Praeparvicingula – tentative report
 * † Praeparvicingula
 * † Praeparvicingula aculeata
 * † Praeparvicingula brunsensis
 * † Praeparvicingula gigantocornis
 * † Praeparvicingula nanoconica – type locality for species
 * † Praeparvicingula nanoconica
 * † Praeparvicingula sp. G0informal
 * † Praeparvicingula sp. T013informal
 * † Praeparvicingula spinata
 * † Praeparvicingula spinifera
 * † Praeparvicingula spp.
 * † Praeparvicingula tlellensis
 * † Praeparvicingula vera – or unidentified comparable form
 * † Pravitoceras
 * † Pravitoceras sigmoidale
 * † Prenkites
 * † Prenkites sp.
 * † Prenkites timorensis – or unidentified comparable form
 * † Prionocycloceras
 * † Prionocycloceras matsumotoi – type locality for species
 * † Prionocycloceras matsumotoi
 * † Prionocycloceras obatai – type locality for species
 * † Prionocycloceras obatai
 * † Prionocyclus
 * † Prionocyclus cobbani
 * † Procarnites
 * † Procarnites kokeni
 * † Procarnites sp.
 * † Proconulus
 * † Proconulus hiraigensis – type locality for species
 * † Procyclolites – tentative report
 * † Procyclolites timoricus – or unidentified related form
 * † Prohinnites
 * † Prohinnites favrinus – or unidentified comparable form
 * † Prohungarites – tentative report
 * † Prohungarites sp.
 * † Promyalina
 * † Promyalina minuta
 * † Promyalina sp.
 * † Pronoella
 * † Pronoella sugayensis
 * † Propeamussium
 * † Propeamussium awajense
 * † Propeamussium cowperi
 * † Propeamussium sp.
 * † Prorotrigonia
 * † Prorotrigonia sp.
 * † Prosogyrotrigonia
 * † Prosogyrotrigonia inouyei
 * † Protexanites
 * † Protexanites fukazawai
 * † Protexanites sp.
 * † Protocardia
 * † Protocardia amanoi – type locality for species
 * † Protocardia amanoi
 * † Protocardia hiraigensis
 * † Protocardia ibukii
 * † Protocardia inaii
 * † Protocardia kurumensis
 * † Protocardia morii
 * † Protocardia onoi
 * † Protocardia sp.
 * † Protocardia sphaeroidea
 * † Protocardia tosensis – or unidentified comparable form
 * † Protocardia tosensis
 * † Protocyprina
 * † Protocyprina naumanni – or unidentified related form
 * † Protocyprina naumanni
 * † Protocyprina ohtai
 * † Protogrammoceras
 * † Protogrammoceras nipponicum
 * † Protogrammoceras onoi
 * † Protogrammoceras sp.
 * † Protogrammoceras toyoranus
 * † Protogrammoceras yabei
 * † Protoheterastrea
 * † Protoheterastrea konosensis – type locality for species
 * † Protoheterastrea konosensis
 * † Protopsium – tentative report
 * † Protopsium
 * † Protopsium gesponsa
 * † Protopsium sp.
 * † Prototurbo – type locality for genus
 * † Prototurbo typicus – type locality for species
 * † Protovallupus
 * † Protovallupus excellens
 * † Protoxiphotractus
 * † Protoxiphotractus perplexus
 * † Protrachyceras
 * † Protrachyceras reitzi
 * † Protrachyceras sp.
 * † Protunuma – tentative report
 * † Protunuma
 * † Protunuma fusiformis
 * † Protunuma japonicus
 * † Protunuma paulsmithi
 * † Protunuma sp.
 * † Protunuma sp. Ainformal
 * † Protunuma sp. Binformal
 * † Protunuma sp. Cinformal
 * † Protunuma sp. Dinformal
 * † Protunuma sp. Einformal
 * † Protunuma sp. SY01informal
 * † Protunuma sp. SY02informal
 * † Protunuma sp. SY03informal
 * † Protunuma sp. T002informal
 * † Provampyroteuthis
 * † Provampyroteuthis sp.
 * † Pseudamiantis – tentative report
 * † Pseudamiantis crenulata
 * † Pseudasaphis
 * † Pseudasaphis japonica
 * † Pseudoaulophacus
 * † Pseudoaulophacus floresensis – or unidentified comparable form
 * † Pseudoaulophacus floresensis
 * † Pseudoaulophacus lenticulatus – or unidentified comparable form
 * † Pseudoaulophacus lenticulatus
 * † Pseudoaulophacus praefloresensis – or unidentified comparable form
 * † Pseudoaulophacus sp.
 * † Pseudocanoptum
 * † Pseudocanoptum ampulla
 * † Pseudocanoptum gracile
 * † Pseudocrucella – tentative report
 * † Pseudocrucella
 * † Pseudocrucella sanfilippoae
 * † Pseudocrucella sp.
 * † Pseudocrucella sp. Ainformal
 * † Pseudocrucella sp. A0informal
 * † Pseudocrucella sp. Binformal
 * † Pseudoctenis
 * † Pseudoctenis sp. 1informal
 * † Pseudoctenis sp. 2informal
 * † Pseudodictyomitra
 * † Pseudodictyomitra carpatica
 * † Pseudodictyomitra leptoconica
 * † Pseudodictyomitra nakasekoi
 * † Pseudodictyomitra pentacolaensis
 * † Pseudodictyomitra pseudomacrocephala
 * † Pseudodictyomitra sp.
 * † Pseudodictyomitra sp. Binformal
 * † Pseudoeucyrtis
 * † Pseudoeucyrtis angusta
 * † Pseudoeucyrtis cylindrata – type locality for species
 * † Pseudoeucyrtis cylindrata
 * † Pseudoeucyrtis levis – type locality for species
 * † Pseudoeucyrtis levis
 * † Pseudoeucyrtis reticularis
 * † Pseudoeucyrtis sp.
 * † Pseudohagiastrum
 * † Pseudohagiastrum giganteum
 * † Pseudohaploceras – tentative report
 * † Pseudohaploceras
 * † Pseudohaploceras nipponicus
 * † Pseudohaploceras otsukai
 * † Pseudoheliodiscus
 * † Pseudoheliodiscus sp. Ainformal
 * † Pseudoheliodiscus sp. Binformal
 * † Pseudohyria
 * † Pseudohyria sp.
 * † Pseudokymatites
 * † Pseudokymatites tabulatus – type locality for species
 * † Pseudolimea
 * † Pseudolimea naumanni
 * † Pseudolimea yataensis
 * † Pseudomelania
 * † Pseudomelania elegantula
 * † Pseudomyriophyllia
 * † Pseudomyriophyllia oshimaensis – type locality for species
 * † Pseudomytiloides
 * † Pseudomytiloides lunaris
 * † Pseudomytiloides matsumotoi
 * † Pseudopantanellium
 * † Pseudopantanellium sp.
 * † Pseudopantanellium spp.
 * † Pseudoperissitys
 * † Pseudoperissitys bicarinata
 * † Pseudophyllites
 * † Pseudophyllites sp.
 * † Pseudopolytremacis
 * † Pseudopolytremacis japonica
 * † Pseudopoulpus
 * † Pseudopoulpus acutipodium
 * † Pseudopoulpus sp. Ainformal
 * † Pseudopoulpus yamatoensis
 * † Pseudoptera – tentative report
 * † Pseudoptera
 * † Pseudoptera acuticarinata
 * † Pseudoptera elongata
 * † Pseudoptera viana – or unidentified related form
 * † Pseudoristola – tentative report
 * † Pseudoristola
 * † Pseudoristola megaglobosa
 * † Pseudoristola sp.
 * † Pseudosageceras – tentative report
 * † Pseudosageceras
 * † Pseudosageceras multilobatum
 * † Pseudosageceras sp.
 * † Pseudospongoprunum – tentative report
 * † Pseudospongoprunum spp.
 * † Pseudostylosphaera
 * † Pseudostylosphaera compacta
 * † Pseudostylosphaera helicata
 * † Pseudostylosphaera japonica
 * † Pseudostylosphaera kozuri – type locality for species
 * † Pseudostylosphaera longispinosa
 * † Pseudostylosphaera nazarovi – or unidentified comparable form
 * † Pseudostylosphaera nazarovi
 * † Pseudostylosphaera sp.
 * † Pseudostylosphaera sp. Ainformal
 * † Pseudostylosphaera sp. Binformal
 * † Pseudostylosphaera tenuis
 * † Pseudostylosphaera timorensis
 * † Pseudothurmannia
 * † Pseudothurmannia baleare – or unidentified related form
 * † Pseudotriassothemis
 * † Pseudotriassothemis minensis – type locality for species
 * † Pseudotriassothemis nipponensis – type locality for species
 * † Pseudotriassothemis okafujii – type locality for species
 * † Pseudoxybeloceras
 * † Pseudoxybeloceras tomitai
 * † Pteraichnus
 * † Pteraichnus nipponensis – type locality for species
 * † Pteria – tentative report
 * † Pteria
 * † Pteria kitakamiensis
 * † Pteria masatanii
 * † Pteria mugikawensis
 * † Pteria murchisoni – or unidentified related form
 * † Pteria ussurica
 * † Pterinella
 * † Pterinella shinoharai
 * † Pterogonia
 * † Pterogonia dilapsa
 * † Pteroperna
 * † Pteroperna lingulata
 * † Pteroperna pauciradiata
 * † Pterophyllum
 * † Pterophyllum sp.
 * † Pterophyllum sp. 1informal
 * † Pterophyllum sp. 2informal
 * † Pterophyllum sp. 3informal
 * † Pterophyllum sp. 4informal
 * † Pterophyllum sp. 5informal
 * † Pterophyllum sp. 6informal
 * † Pterophyllum sp. 7informal
 * † Pterophyllum sp. 8informal
 * † Pterotrigonia
 * † Pterotrigonia amakusensis
 * † Pterotrigonia brevicula
 * † Pterotrigonia datemasamunei
 * † Pterotrigonia dilapsa
 * † Pterotrigonia higoensis
 * † Pterotrigonia hokkaidoana
 * † Pterotrigonia imanishii
 * † Pterotrigonia kobayashii
 * † Pterotrigonia longiloba – or unidentified comparable form
 * † Pterotrigonia longiloba
 * † Pterotrigonia mashikensis
 * † Pterotrigonia mifunensis
 * † Pterotrigonia monobeana
 * † Pterotrigonia moriana
 * † Pterotrigonia obsoleta
 * † Pterotrigonia ogawai
 * † Pterotrigonia pocciliformis
 * † Pterotrigonia pociliformis
 * † Pterotrigonia pocilliformis
 * † Pterotrigonia pustulosa
 * † Pterotrigonia sakakurai
 * † Pterotrigonia sp.
 * † Pterotrigonia toyamai
 * † Pterotrigonia yeharai
 * † Pterotrigonia yokoyamai
 * † Ptilophyllum
 * † Ptilophyllum sp. 1informal
 * † Ptilophyllum sp. 2informal
 * † Ptilophyllum sp. 3informal
 * † Ptilophyllum sp. 4informal
 * † Ptilozamites
 * † Ptilozamites sp. 1informal
 * † Ptilozamites sp. 2informal
 * † Ptychites
 * † Ptychites miyagiensis – type locality for species
 * † Ptychites nipponicus – type locality for species
 * † Ptychites sp.
 * † Ptychites trochleaeformis – or unidentified comparable form
 * † Ptychodus
 * † Ptychodus latissimus
 * † Ptychodus mammilaris
 * † Ptychodus mammillaris
 * † Ptychomya
 * † Ptychomya densicostata
 * † Ptychomya sp.
 * † Ptychophylloceras
 * † Ptychophylloceras euphyllum – or unidentified comparable form
 * † Pulsidis
 * † Pulsidis angulata – type locality for species
 * † Pulsidis angulata
 * † Pulsidis higoensis
 * † Pulsidis nagatoensis
 * † Pulsidis okadai
 * † Pulsidis rostrata – type locality for species
 * † Pulsidis rostrata
 * † Pulsidis sanchuensis – type locality for species
 * † Pulsidis tashiroi – type locality for species
 * † Pulsidis tashiroi
 * † Purpuroidea
 * † Purpuroidea sp.
 * † Puzosia
 * † Puzosia nipponica – or unidentified comparable form
 * † Pycnodonte – tentative report
 * † Pycnodonte
 * † Pycnodonte amakusensis
 * † Pycnodonte sp.
 * † Pycnoporidium
 * † Pycnoporidium sp.
 * † Pyramispongia
 * † Pyramispongia glascockensis
 * † Pyrazus – tentative report
 * † Pyrazus scalariformis
 * † Pyrazus sp.
 * † Pyrgulifera
 * † Pyrgulifera nodosa – type locality for species
 * † Quarticella
 * † Quarticella conica
 * † Quarticella levis
 * † Quarticella ovalis
 * † Quarticella sp. Ainformal
 * † Quarticella sp. Binformal
 * † Quarticella sp. B0informal
 * † Quarticella sp. Cinformal
 * † Quarticella sp. Dinformal
 * † Quarticella sp. Einformal
 * † Quarticella sp. Finformal
 * † Quarticella sp. Ginformal
 * † Quarticella sp. Hinformal
 * † Quarticella sp. H0informal
 * † Quarticella sp. SY01informal
 * † Quarticella sp. SY02informal
 * † Quarticella sp. SY03informal
 * † Quarticella sp. SY04informal
 * † Quarticella sp. SY05informal
 * † Quarticella sp. T012informal
 * † Quarticella spinosa
 * † Quinquecapsularia
 * † Quinquecapsularia megasphaerica
 * † Radiomura
 * † Radiomura cautica
 * † Radulonectites
 * † Radulonectites japonicus
 * † Radulonectites sp.
 * † Radulopecten
 * † Radulopecten nagatakensis
 * † Radulopecten ogawensis
 * † Ramulina
 * † Ramulina sp.
 * † Raoultius – tentative report
 * † Raoultius
 * † Raoultius sp.
 * † Rastellum
 * † Rastellum carinatum
 * † Rastellum erucum – or unidentified comparable form
 * † Rastellum sp.
 * † Reesidites
 * † Reesidites minimus
 * † Regnellites – type locality for genus
 * † Regnellites nagashimae – type locality for species
 * † Rehacythereis
 * † Rehacythereis matronae – or unidentified comparable form
 * † Religa
 * † Religa globosa
 * † Religa sp.
 * † Reophax
 * † Reophax clavulina
 * † Reophax tauricus
 * † Retiophyllia
 * † Retiophyllia eguchii – type locality for species
 * † Retiophyllia eguchii – or unidentified related form
 * † Retiophyllia eguchii – or unidentified comparable form
 * † Retiophyllia frechi – or unidentified comparable form
 * † Retiophyllia sp.
 * † Retiophyllia sp. Cinformal
 * † Retiophyllia tosaensis – type locality for species
 * † Retiophyllia wasabidaniensis – type locality for species
 * † Rhabdophyllia
 * † Rhabdophyllia oshimaensis – type locality for species
 * † Rhipidopsis
 * † Rhipidopsis sp. 1informal
 * † Rhopalosyringium
 * † Rhopalosyringium magnificum – or unidentified comparable form
 * † Rhopalosyringium magnificum
 * † Riedelius – tentative report
 * † Riedelius sp.
 * † Ristola – tentative report
 * † Ristola
 * † Ristola altissima
 * † Ristola cretacea – or unidentified related form
 * † Ristola cretacea
 * † Ristola firma
 * † Ristola procera
 * † Ristola sp. Ainformal
 * † Robinsonella
 * † Robinsonella sp. nov.informal
 * † Romaniceras
 * † Romaniceras deverianum – or unidentified related form
 * † Romaniceras deverianum – or unidentified comparable form
 * † Romaniceras deverioides – or unidentified comparable form
 * † Romaniceras deveroide
 * † Romaniceras kallesi – or unidentified related form
 * † Romaniceras ornatissimum
 * † Romaniceras sp.
 * † Romaniceras yezoense – or unidentified comparable form
 * † Rutitrigonia
 * † Rutitrigonia sanchuensis
 * † Rutitrigonia yeharai
 * † Sagenopteris
 * † Sagenopteris sp. 1informal
 * † Sagenopteris sp. 2informal
 * † Saghalinites – tentative report
 * † Saghalinites
 * † Saghalinites sp.
 * † Saghalinites teshioensis – type locality for species
 * † Saghalinites teshioensis
 * † Saitoum
 * † Saitoum dercourti
 * † Saitoum dickinsoni
 * † Saitoum keki – or unidentified comparable form
 * † Saitoum keki
 * † Saitoum levium
 * † Saitoum pagei
 * † Saitoum sp.
 * † Saitoum sp. Ainformal
 * † Saitoum sp. Binformal
 * † Sakawanella
 * † Sakawanella triadica
 * † Sakurasaurus – type locality for genus
 * † Sakurasaurus
 * † Sakurasaurus shokawensis – type locality for species
 * † Sakurasaurus sp.
 * † Samaroblatta
 * † Samaroblatta fronda – type locality for species
 * † Sardyoblattina – type locality for genus
 * † Sardyoblattina kimurai – type locality for species
 * † Sarla
 * † Sarla sp. Ainformal
 * † Sasayamamylos – type locality for genus
 * † Sasayamamylos kawaii – type locality for species
 * † Scalarites
 * † Scalarites mihoensis – or unidentified comparable form
 * † Scalarites scalare
 * † Scalarites sp.
 * † Scapanorhynchus
 * † Scapanorhynchus rhaphiodon
 * † Scapanorhynchus sp.
 * † Scaphites
 * † Scaphites obliquus – or unidentified related form
 * † Scaphites pseudoaequalis
 * † Scaphites pseudoequalis
 * † Scaphites sp.
 * † Scaphites subdelicatus – or unidentified related form
 * † Scaphites yokoyamai
 * † Scaphites yonekurai
 * † Scaphotrigonia
 * † Scaphotrigonia somensis
 * † Scepticocythereis – tentative report
 * † Scepticocythereis sp.
 * † Schadelfusslerus
 * † Schadelfusslerus echtus
 * † Schafhaeutlia
 * † Schafhaeutlia mellingi
 * † Schafhaeutlia nakazawai
 * † Sciponoceras
 * † Sciponoceras intermedium
 * † Sciponoceras sp.
 * † Scittila
 * † Scittila japonica
 * † Sclerorhynchus
 * † Sclerorhynchus sp.
 * † Scurriopsis
 * † Scurriopsis aptiana – type locality for species
 * † Scurriopsis aptiana – or unidentified comparable form
 * † Scurriopsis oshimensis – type locality for species
 * † Scurriopsis oshimensis
 * † Scurriopsis sp.informal
 * † Scutemys
 * † Scutemys sp.
 * † Sella
 * † Sella chrafatensis
 * † Semihsuum
 * † Semihsuum magnum
 * † Semihsuum sp. B5informal
 * † Semisolarium
 * † Semisolarium incrassatum
 * † Septifer
 * † Septifer mifunensis
 * † Septifer ushibukensis
 * † Sequoia – tentative report
 * † Sequoia sp.
 * † Seriastraea
 * † Seriastraea furukawai – type locality for species
 * † Seriastraea furukawai
 * † Serilla
 * † Serilla sp.
 * † Serradonta
 * † Serradonta vestimentifericola – or unidentified comparable form
 * † Sethocapsa – tentative report
 * † Sethocapsa
 * † Sethocapsa dorysphaeroides
 * † Sethocapsa hexagona – type locality for species
 * † Sethocapsa hexagona
 * † Sethocapsa kaminogoensis
 * † Sethocapsa leiostraca
 * † Sethocapsa nakaensis
 * † Sethocapsa pseudouterculus
 * † Sethocapsa simplex
 * † Sethocapsa sp.
 * † Sethocapsa sp. Ainformal
 * † Sethocapsa sp. A0informal
 * † Sethocapsa sp. Binformal
 * † Sethocapsa sp. B0informal
 * † Sethocapsa sp. Cinformal
 * † Sethocapsa sp. Dinformal
 * † Sethocapsa trachyostraca – or unidentified related form
 * † Sethostaurus – tentative report
 * † Sethostaurus sp.
 * † Shamovella
 * † Shamovella sp.
 * † Sharpeiceras
 * † Sharpeiceras kikuae
 * † Sharpeiceras sp.
 * † Shasticrioceras
 * † Shasticrioceras nipponicus – or unidentified related form
 * † Shikamacirrus – type locality for genus
 * † Shikamacirrus nipponicus – type locality for species
 * † Shiraminesauropus – type locality for genus
 * † Shiraminesauropus
 * † Shiraminesauropus hayashidaniensis – type locality for species
 * † Shiraminesauropus reini – type locality for species
 * † Shokawa – type locality for genus
 * † Shokawa – tentative report
 * † Shokawa ikoi – type locality for species
 * † Shokawa sp.
 * † Shurabia – type locality for genus
 * † Shurabia elegans – type locality for species
 * † Siamosaurus – tentative report
 * † Siamosaurus sp.
 * † Sigmoilina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Sigmoilina schaeferae
 * † Silberlingitoides
 * † Silberlingitoides clarkei – or unidentified comparable form
 * † Sinamia
 * † Sinamia sp.
 * † Sinemys – or unidentified comparable form
 * † Sinemys sp.
 * † Sirenites
 * † Sirenites senticosus
 * † Sisenna – tentative report
 * † Sisenna japonica – tentative report
 * † Sisenna japonica
 * † Solariella
 * † Solariella cruciana – or unidentified comparable form
 * † Solemya
 * † Solemya angusticaudata
 * † Solemya kobayashii
 * † Solemya sp.
 * † Solemya suprajurensis
 * † Solenoceras
 * † Solenoceras sp.
 * † Solenoceras texanum – or unidentified comparable form
 * † Solenolmia – tentative report
 * † Solenolmia
 * † Solenolmia manon
 * † Solenolmia sp.
 * † Solenotrima
 * † Solenotrima ichikawai – tentative report
 * † Solenotryma
 * † Solenotryma dacryodes – or unidentified comparable form
 * † Solenotryma ichikawai
 * † Solenotryma japonica
 * † Solenotryma sp. Ainformal
 * † Somapecten
 * † Somapecten kamimanensis
 * † Somapteria
 * † Somapteria koikensis
 * † Somarctica
 * † Somarctica abukumensis
 * † Sorlestes
 * † Sorlestes mifunensis – type locality for species
 * † Sphaeriola
 * † Sphaeriola nipponica
 * † Sphaerium
 * † Sphaerium anderssoni
 * † Sphaerium sp.
 * † Sphenobaiera
 * † Sphenobaiera sp. 1informal
 * † Sphenobaiera sp. 2informal
 * † Sphenobaiera sp. 3informal
 * † Sphenodus
 * † Sphenodus longidens
 * † Sphenodus sp.
 * † Sphenopteris
 * † Sphenopteris sp.
 * † Sphenopteris sp. 1informal
 * † Sphenopteris sp. 2informal
 * † Sphenopteris sp. 3informal
 * † Sphenopteris sp. 4informal
 * † Sphenopteris sp. 5informal
 * † Sphenopteris sp. 6informal
 * † Spinotriassocampe
 * † Spinotriassocampe annulata
 * † Spinotriassocampe carnica
 * † Spiriferina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Spiriferina sp.
 * † Spondylus
 * † Spondylus amanoi
 * † Spondylus decoratus
 * † Spondylus pseudocalcaratus
 * † Spondylus sp.
 * † Spongiomorpha
 * † Spongiomorpha asiatica – or unidentified comparable form
 * † Spongiomorpha asiatica
 * † Spongiomorpha sp.
 * † Spongiostoma
 * † Spongiostoma sp. Binformal
 * † Spongocapsula – tentative report
 * † Spongocapsula
 * † Spongocapsula conica – type locality for species
 * † Spongocapsula conica
 * † Spongocapsula daigoensis – type locality for species
 * † Spongocapsula daigoensis
 * † Spongocapsula ovum – type locality for species
 * † Spongocapsula ovum
 * † Spongocapsula palmerae – or unidentified comparable form
 * † Spongocapsula palmerae
 * † Spongocapsula perampla
 * † Spongocapsula sp.
 * † Spongocapsula sp. Ainformal
 * † Spongocapsula sp. Binformal
 * † Spongosaturninus
 * † Spongosaturninus bispinus
 * † Spongosilicarmiger
 * † Spongosilicarmiger gabiolaensis
 * † Spongosilicarmiger nakasekoi
 * † Spongosilicarmiger sp.
 * † Spongostaurus
 * † Spongostaurus hokkaidoensis
 * † Spongostaurus pugiunculus
 * † Spongotripus – tentative report
 * † Spongotripus
 * † Spongotripus morenoensis
 * † Spongotripus sp.
 * † Spongotripus sp. Ainformal
 * † Spongotripus sp. A0informal
 * † Spongotripus sp. Binformal
 * † Spongotripus sp. B0informal
 * † Spongotripus sp. Cinformal
 * † Spongotripus sp. Dinformal
 * † Spongotripus sp. Einformal
 * † Spongotripus sp. Finformal
 * † Spongotripus sp. SY01informal
 * † Spongotripus sp. SY02informal
 * † Spongotripus sp. SY03informal
 * † Spongotripus sp. T026informal
 * † Spongotripus sp. Xinformal
 * † Spongotripus sp. Zinformal
 * † Spongotrochus – tentative report
 * † Spongotrochus
 * † Spongotrochus sp.
 * † Spongotrochus sp. Ainformal
 * † Spongotrochus sp. A0informal
 * † Spongotrochus sp. Binformal
 * † Spongotrochus sp. B2informal
 * † Spongotrochus sp. B3informal
 * † Spongotrochus sp. B4informal
 * † Spongotrochus sp. Cinformal
 * † Spongotrochus sp. SY01informal
 * † Spongurus – tentative report
 * † Spongurus
 * † Spongurus sp. Ainformal
 * † Spongurus sp. Binformal
 * † Spongurus sp. Cinformal
 * † Spongurus sp. Dinformal
 * † Spongurus sp. Einformal
 * † Spongurus sp. SY01informal
 * † Squalicorax
 * † Squalicorax sp.
 * † Squalus
 * † Squalus latidens
 * † Squinabolella – tentative report
 * † Squinabolella
 * † Squinabolella putahensis
 * † Squinabolella sp. Cinformal
 * † Squinabollum
 * † Squinabollum fossilis
 * † Stacheites
 * † Stacheites sp.
 * † Stachyotaxus
 * † Stachyotaxus sp. 1informal
 * † Staurodoras – tentative report
 * † Staurodoras
 * † Staurodoras sp. Ainformal
 * † Staurodoras sp. Binformal
 * † Staurolonche
 * † Staurolonche sp.
 * † Staurolonche sp. Ainformal
 * † Staurolonche sp. A0informal
 * † Staurolonche sp. A2informal
 * † Staurolonche sp. A3informal
 * † Staurolonche sp. A4informal
 * † Staurolonche sp. A5informal
 * † Staurolonche sp. Binformal
 * † Staurolonche sp. Cinformal
 * † Staurolonche sp. Dinformal
 * † Staurolonche sp. Einformal
 * † Staurolonche sp. Finformal
 * † Stauromesosaturnalis
 * † Stauromesosaturnalis deweveri
 * † Steinmanella
 * † Steinmanella ainuana
 * † Steinmanella deckeina
 * † Steinmanella japonica
 * † Steinmanella jimboi
 * † Steinmanella kimurai
 * † Steinmanella lymani
 * † Steinmanella shinoharai
 * † Stelidioseris
 * † Stelidioseris japonica – type locality for species
 * † Stenorachis
 * † Stenorachis sp. 1informal
 * † Stenorachis sp. 2informal
 * † Stenorachis sp. 3informal
 * † Stichocapsa – tentative report
 * † Stichocapsa
 * † Stichocapsa biconica – type locality for species
 * † Stichocapsa biconica
 * † Stichocapsa convexa – or unidentified comparable form
 * † Stichocapsa convexa
 * † Stichocapsa japonica – or unidentified related form
 * † Stichocapsa japonica – or unidentified comparable form
 * † Stichocapsa japonica
 * † Stichocapsa praepulchella – type locality for species
 * † Stichocapsa praepulchella
 * † Stichocapsa robusta
 * † Stichocapsa sp.
 * † Stichocapsa sp. Ainformal
 * † Stichocapsa sp. Binformal
 * † Stichocapsa sp. Cinformal
 * † Stichocapsa sp. Dinformal
 * † Stichocapsa sp. Einformal
 * † Stichocapsa sp. SY01informal
 * † Stichocapsa sp. SY02informal
 * † Stichocapsa sp. SY03informal
 * † Stichocapsa sp. SY04informal
 * † Stichocapsa sp. SY05informal
 * † Stichocapsa sp. T006informal
 * † Stichocapsa tegiminis
 * † Stichocapsa yamizoensis – type locality for species
 * † Stichocapsa yamizoensis
 * † Stichomitra – tentative report
 * † Stichomitra
 * † Stichomitra campi
 * † Stichomitra communis
 * † Stichomitra euganea – tentative report
 * † Stichomitra euganea
 * † Stichomitra foraminosa
 * † Stichomitra livermorensis
 * † Stichomitra sp.
 * † Stichomitra sp. Ainformal
 * † Stichomitra sp. Binformal
 * † Stichomitra sp. B1informal
 * † Stichomitra sp. SY01informal
 * † Stichomitra takanoensis
 * † Stichomitra takenoensis
 * † Stichomitra zamoraensis – tentative report
 * † Stigmosphaerostylus
 * † Stigmosphaerostylus spp.
 * † Stoliczkaia
 * † Stoliczkaia sp.
 * † Stomohamites
 * † Stomohamites sp.
 * † Storgaardia
 * † Storgaardia sp. 1informal
 * † Streblochondria – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Streblochondria
 * † Streblochondria matsushitai – tentative report
 * † Streblochondria matsushitai
 * † Striatojaponocapsa
 * † Striatojaponocapsa conexa
 * † Striatojaponocapsa plicarumsensu lato
 * † Striatojaponocapsa plicarum – or unidentified related form
 * † Striatojaponocapsa plicarum – or unidentified comparable form
 * † Striatojaponocapsa plicarum
 * † Stylina – tentative report
 * † Stylina
 * † Stylina fukawazaensis – type locality for species
 * † Stylina higoensis – type locality for species
 * † Stylina higoensis
 * † Stylina japonica – type locality for species
 * † Stylina kantoensis – type locality for species
 * † Stylina mabutii
 * † Stylina nakasai – type locality for species
 * † Stylina shinkaiensis – type locality for species
 * † Stylina somaensis – type locality for species
 * † Stylina sp.
 * † Stylina sugiyamai – type locality for species
 * † Stylina sugiyamai – or unidentified related form
 * † Stylina sugiyamai
 * † Stylophyllopsis – tentative report
 * † Stylophyllopsis sp.
 * † Stylosmilia
 * † Stylosmilia corallina – or unidentified comparable form
 * † Stylosmilia fascicularis – type locality for species
 * † Stylosmilia naumanni – type locality for species
 * † Stylosmilia naumanni
 * † Stylosmilia shirakurai
 * † Stylosmilia subgracilis – type locality for species
 * † Stylosmilia yabei – type locality for species
 * † Stylosphaera
 * † Stylosphaera sp. Ainformal
 * † Stylosphaera sp. Binformal
 * † Stylosphaera sp. Cinformal
 * † Stylosphaera sp. Einformal
 * † Stylothalamia
 * † Stylothalamia columnaris
 * † Stypolarcus
 * † Stypolarcus laboriosus – or unidentified comparable form
 * † Subcolumbites
 * † Subcolumbites perrinismithi – or unidentified comparable form
 * † Subcolumbites perrinismithi
 * † Subcolumbites sp.
 * † Subdiscosphinctes
 * † Subdiscosphinctes hachiyai – type locality for species
 * † Subdiscosphinctes sp.
 * † Subprionocyclus
 * † Subprionocyclus normalis
 * † Subpriononcyclus
 * † Subpriononcyclus bravaisianus
 * † Subprionotropis
 * † Subprionotropis muramotoi – or unidentified comparable form
 * † Sulcobuccinum
 * † Sulcobuccinum cretacea – type locality for species
 * † Sulioticeras
 * † Sulioticeras sulioticum – or unidentified related form
 * † Svinitzium
 * † Svinitzium depressum
 * † Svinitzium pseudopuga
 * † Swedenborgia
 * † Swedenborgia sp. 1informal
 * † Symmetrocapulus
 * † Symmetrocapulus hanaii – type locality for species
 * † Symmetrolestes – type locality for genus
 * † Symmetrolestes parvus – type locality for species
 * † Synechodus
 * † Synechodus sp.
 * † Synechodus triangulus
 * † Syringocapsa – tentative report
 * † Syringocapsa
 * † Syringocapsa coliforme
 * † Syringocapsa limatum – or unidentified related form
 * † Syringocapsa sp.
 * † Syringocapsa sp. Ainformal
 * † Syringocapsa sp. Binformal
 * † Syringocapsa sp. Cinformal
 * † Syringocapsa sp. Dinformal
 * † Syringocapsa sp. D2informal
 * † Syringocapsa sp. D3informal
 * † Syringocapsa sp. Einformal
 * † Syringocapsa sp. Finformal
 * † Syringocapsa sp. Ginformal
 * † Syringocapsa spinellifera
 * † Taeniopteris
 * † Taeniopteris emarginata
 * † Taeniopteris sp.
 * † Taeniopteris sp. 1informal
 * † Taeniopteris sp. 2informal
 * † Taeniopteris sp. 3informal
 * † Taeniopteris sp. 4informal
 * † Taeniopteris sp. 5informal
 * † Taeniopteris sp. 6informal
 * † Taenopteris
 * † Taenopteris emarginata
 * † Takahashiceras – type locality for genus
 * † Takahashiceras eureka – type locality for species
 * † Tambatitanis – type locality for genus
 * † Tambatitanis amicitiae – type locality for species
 * † Tanabeceras
 * † Tanabeceras horokanaiense – type locality for species
 * † Tancredia
 * † Tancredia rostrata
 * † Taniella – type locality for genus
 * † Taniella japonica – type locality for species
 * † Taniwhasaurus
 * † Taniwhasaurus mikasaensis – type locality for species
 * † Taniwhasaurus mikasaensis
 * † Taramelliceras
 * † Taramelliceras costatum – or unidentified comparable form
 * † Taramelliceras sp.
 * † Tardicolumbites
 * † Tardicolumbites tardicolumbus
 * † Tedoribaatar – type locality for genus
 * † Tedoribaatar reini – type locality for species
 * † Tedorosaurus – type locality for genus
 * † Tedorosaurus asuwaensis – type locality for species
 * † Teichertus
 * † Teichertus heliotropica – or unidentified related form
 * † Teichertus heliotropica
 * † Tenea
 * † Tenea japonica
 * † Terebella – tentative report
 * † Terebella
 * † Terebella sp.
 * † Terebratula – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Terebratula hataii
 * † Terebratula iwaii
 * † Terebratula sp.
 * † Teredo – tentative report
 * † Teredo matsushimaensis
 * † Tethysetta
 * † Tethysetta boesii
 * † Tethysetta dhimenaensis
 * † Tethysetta sp. Iinformal
 * † Tethysetta sp. T030informal
 * † Tetoria
 * † Tetoria antiqua
 * † Tetoria inflata
 * † Tetoria matsumotoi
 * † Tetoria sanchuensis
 * † Tetoria shishijimensis
 * † Tetoria sp.
 * † Tetoria yokoyamai
 * † Tetoria yoshimoensis
 * † Tetorimya
 * † Tetorimya carinata
 * † Tetracapsa
 * † Tetracapsa horokanaiensis
 * † Tetraditryma – tentative report
 * † Tetraditryma
 * † Tetraditryma corralitosensis
 * † Tetraditryma macra
 * † Tetraditryma praeplena – or unidentified comparable form
 * † Tetraditryma praeplena
 * † Tetraditryma sp.
 * † Tetraditryma sp. A0informal
 * † Tetraditryma sp. Binformal
 * † Tetraditryma sp. C1informal
 * † Tetraditryma sp. Einformal
 * † Tetraditryma sp. Hinformal
 * † Tetraditryma sp. T025informal
 * † Tetragonites
 * † Tetragonites epigonus
 * † Tetragonites glabrus
 * † Tetragonites minimus
 * † Tetragonites popetensis
 * † Tetragonites sp.
 * † Tetraplecta
 * † Tetraplecta hattorii – type locality for species
 * † Tetraplecta yaoi – type locality for species
 * † Tetratrabs
 * † Tetratrabs izeensis – or unidentified related form
 * † Tetratrabs izeensis
 * † Tetratrabs sp.
 * † Tetratrabs sp. Ainformal
 * † Texanites
 * † Texanites sp.
 * † Textularia
 * † Textularia hikagezawaensis
 * † Thallites
 * † Thallites sp. 1informal
 * † Thallites yabei
 * † Thamnasteria – tentative report
 * † Thamnasteria
 * † Thamnasteria abukumaensis – type locality for species
 * † Thamnasteria abukumaensis
 * † Thamnasteria huzimotoi
 * † Thamnasteria japonica – type locality for species
 * † Thamnasteria jezoensis – type locality for species
 * † Thamnasteria miyakoensis – type locality for species
 * † Thamnasteria naumanni – type locality for species
 * † Thamnasteria naumanni – or unidentified comparable form
 * † Thamnasteria ogawaensis – type locality for species
 * † Thamnasteria sp.
 * † Thamnasteria sp. Ainformal
 * † Thamnasteria sp. Binformal
 * † Thamnasteria tokushimaensis – type locality for species
 * † Thamnasteria torinosuensis – type locality for species
 * † Thamnasteria torinosuensis
 * † Thamnasteria yuraensis – type locality for species
 * † Thamnasteriamorpha
 * † Thamnasteriamorpha okudai – type locality for species
 * † Thamnasteriamorpha okudai
 * † Thanarla
 * † Thanarla brouweri
 * † Thanarla elegantissima
 * † Thanarla gutta
 * † Thanarla praeveneta
 * † Thanarla veneta
 * † Thaumatoporella
 * † Thaumatoporella parvovesiculifera
 * † Thaumatopteris
 * † Thaumatopteris sp. 1informal
 * † Thaumatopteris sp. 2informal
 * † Thaumatopteris sp. 3informal
 * † Thaumatopteris sp. 4informal
 * † Thaumatopteris sp. 5informal
 * † Thaumatopteris sp. 6informal
 * † Thecosmilia
 * † Thecosmilia hideshimaensis – type locality for species
 * † Thecosmilia somaensis – type locality for species
 * † Thecosmilia sp.
 * † Thecosphaera – tentative report
 * † Thecosphaera
 * † Thecosphaera sp. Ainformal
 * † Thecosphaera sp. A0informal
 * † Thecosphaera sp. A2informal
 * † Thecosphaera sp. Binformal
 * † Thecosphaera sp. B0informal
 * † Thecosphaera sp. Cinformal
 * † Thecosphaera sp. Dinformal
 * † Thecosphaera sp. Einformal
 * † Theocampe
 * † Theocampe altamontensis
 * † Theocampe apicata
 * † Theocampe ascalia
 * † Theocampe salillum
 * † Theocampe yaoi
 * † Thetis
 * † Thetis japonica
 * † Thetisolala
 * † Thetisolala sp.informal
 * † Thetisolala sp.
 * † Thinnfeldia
 * † Thinnfeldia sp. 1informal
 * † Tholodiscus
 * † Tholodiscus fresnoensis
 * † Thracia
 * † Thracia fukushimensis
 * † Thracia shokawensis
 * † Thracia sp.
 * † Thracia subrhombica
 * † Thurstonia
 * † Thurstonia timberensis
 * † Thyasira – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Thyasira
 * † Thyasira hataii
 * † Thyasira himedoensis
 * † Thyasira sp.
 * † Thyasira tanabei – type locality for species
 * † Thyasira tanabei
 * † Tiborella
 * † Tiborella agria – type locality for species
 * † Tiborella agria – or unidentified related form
 * † Tiborella agria
 * † Tiborella florida
 * † Tiborella sp.
 * † Tiborella sp. Ainformal
 * † Tiborella sp. Binformal
 * † Tirolites
 * † Tirolites ussuriensis – or unidentified comparable form
 * † Todites
 * † Todites sp. 1informal
 * † Todites sp. 2informal
 * † Todites sp. 3informal
 * † Tolypammina
 * † Tolypammina gregaria
 * † Torquesia
 * † Torquesia yaegashii
 * † Torreya
 * † Torreya sp. 1informal
 * † Tosapecten
 * † Tosapecten pseudohiemalis
 * † Tosapecten sp.
 * † Tosapecten suzukii – or unidentified related form
 * † Tosapecten suzukii
 * † Tosapecten teradensis
 * † Toucasia
 * † Toucasia carinata
 * † Toyamasauripus – type locality for genus
 * † Toyamasauripus masuiae – type locality for species
 * † Tragodesmoceroides
 * † Tragodesmoceroides sp.
 * † Tragodesmoceroides subcostatus
 * † Trajanella
 * † Trajanella fraasi
 * † Transhsuum – tentative report
 * † Transhsuum
 * † Transhsuum hisuikyoense – or unidentified related form
 * † Transhsuum hisuikyoense
 * † Transhsuum sp. SY01informal
 * † Triactoma – tentative report
 * † Triactoma
 * † Triactoma blakei
 * † Triactoma brooksi
 * † Triactoma jakobsae
 * † Triactoma rosespitensis
 * † Triactoma smithi – or unidentified related form
 * † Triactoma southforkensis
 * † Triactoma sp.
 * † Triactoma sp. Binformal
 * † Triactoma sp. Winformal
 * † Triactoma sp. Xinformal
 * † Triactoma sp. Yinformal
 * † Triactoma sp. Zinformal
 * † Triactoma spinosa
 * † Triactoma wickiupensis
 * † Triadomegalodon
 * † Triadomegalodon sp.
 * † Triaphorus
 * † Triaphorus hamadaensis
 * † Triaphorus trapezoidalis
 * † Triassobipedis – tentative report
 * † Triassobipedis aetoides – type locality for species
 * † Triassoblatta – tentative report
 * † Triassoblatta
 * † Triassoblatta bella – type locality for species
 * † Triassoblatta okafujii – type locality for species
 * † Triassoblatta okafujii – or unidentified comparable form
 * † Triassoblatta rotundipenna – type locality for species
 * † Triassoblatta sp. Ainformal
 * † Triassoblatta sp. Binformal
 * † Triassoblatta sp. Cinformal
 * † Triassoblatta tenuicubiti – type locality for species
 * † Triassocampe – tentative report
 * † Triassocampe
 * † Triassocampe coronata – or unidentified comparable form
 * † Triassocampe coronata
 * † Triassocampe deweveri
 * † Triassocampe diordinis – or unidentified related form
 * † Triassocampe myterocorys
 * † Triassocampe postdeweveri
 * † Triassocampe scalaris
 * † Triassocampe sp.
 * † Triassocampe sp. Ainformal
 * † Triassocampe sp. Binformal
 * † Triassocampe sp. Cinformal
 * † Triassocampe sp. D1informal
 * † Triassocampe sp. D2informal
 * † Triassocampe sp. Einformal
 * † Triassocampe sp. Finformal
 * † Triassocampe sp. Ginformal
 * † Triassocampe sp. Hinformal
 * † Triassocampe sulovensis
 * † Triassospongocyrtis – tentative report
 * † Triassospongocyrtis sp.
 * † Trichotropis – tentative report
 * † Trichotropis sp.
 * † Tricolocampe
 * † Tricolocampe fukudomii
 * † Tricolocapsa
 * † Tricolocapsa multispinosa
 * † Tricolocapsa parvipora – or unidentified related form
 * † Tricolocapsa parvipora – or unidentified comparable form
 * † Tricolocapsa sp.
 * † Tricolocapsa sp. Ainformal
 * † Tricolocapsa sp. Binformal
 * † Tricolocapsa sp. Cinformal
 * † Tricolocapsa sp. Dinformal
 * † Tricolocapsa sp. Einformal
 * † Tricolocapsa sp. Minformal
 * † Tricolocapsa sp. T001informal
 * † Tricolocapsa sp. T007informal
 * † Tricolocapsa tetragona
 * † Trigonarca – tentative report
 * † Trigonarca obliquata
 * † Trigonarca obsoleta
 * † Trigonarca sp.
 * † Trigonia
 * † Trigonia senex
 * † Trigonia sumiyagura
 * † Trigonioides
 * † Trigonioides matsumotoi
 * † Trigonioides mifunensis
 * † Trigonioides obsoletus
 * † Trigonioides sengokuensis
 * † Trigonioides sp.
 * † Trigonioides suzukii
 * † Trigonioides tetoriensis
 * † Trigonioides wakinoensis
 * † Trigonocallista
 * † Trigonocallista ornata
 * † Trigonodus – tentative report
 * † Trigonodus hashimotoi
 * † Trigonucula
 * † Trigonucula sakawana
 * † Trileites
 * † Trileites persimis
 * † Trillus
 * † Trillus elkhornensis – or unidentified comparable form
 * † Trillus elkhornensis
 * † Trillus seidersi
 * † Trillus sp.
 * † Trillus sp. Ainformal
 * † Trillus sp. A2informal
 * † Trillus sp. B2informal
 * † Trillus sp. Cinformal
 * † Trillus sp. Einformal
 * † Trillus sp. T017informal
 * † Trilonche – tentative report
 * † Trilonche sp.
 * † Tripedocorbis
 * † Tripedocorbis sp.
 * † Tripocyclia – tentative report
 * † Tripocyclia
 * † Tripocyclia japonica
 * † Tripocyclia sp.
 * † Tripocyclia sp. Ainformal
 * † Tripocyclia sp. Binformal
 * † Tripocyclia spp.
 * † Tripocyclia tortuosa
 * † Tritrabs – tentative report
 * † Tritrabs
 * † Tritrabs ewingi – or unidentified comparable form
 * † Tritrabs ewingi
 * † Tritrabs exotica
 * † Tritrabs hayi – or unidentified comparable form
 * † Tritrabs hayi
 * † Tritrabs simplex – or unidentified related form
 * † Tritrabs simplex
 * † Tritrabs sp. A1informal
 * † Tritrabs sp. Dinformal
 * † Tritrabs sp. Einformal
 * † Tritrabs sp. SY01informal
 * † Tritrabs sp. SY02informal
 * † Tritrabs spp.
 * † Triversus – tentative report
 * † Triversus
 * † Triversus japonicus
 * † Triversus sp.
 * † Triversus sp. Ainformal
 * † Triversus sp. Einformal
 * † Trochammina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Trochammina
 * † Trochammina alpina
 * † Trochammina jaunensis
 * † Trochammina yubariensis
 * † Trocharea
 * † Trocharea sp.
 * † Trochocyathus
 * † Trochocyathus yezoensis – type locality for species
 * † Trochoidomeandra
 * † Trochoidomeandra sp.
 * † Trocholina
 * † Trocholina cordevolica
 * † Trochopsidea
 * † Trochopsidea japonica – type locality for species
 * † Trochosmilia – tentative report
 * † Trochosmilia orientalis – type locality for species
 * † Troglotella
 * † Troglotella incrustans
 * † Tropigastrites – tentative report
 * † Tropigastrites sp.
 * † Trypanotrochus
 * † Trypanotrochus cretaceus
 * † Trypanotrochus rikuchuensis
 * † Tubiphytes – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Tubiphytes gracilis
 * † Tubotriassocyrtis
 * † Tubotriassocyrtis annulata
 * † Tucetona
 * † Tucetona multicostata
 * † Turanta – tentative report
 * † Turanta
 * † Turanta morinae
 * † Turanta sp. Ainformal
 * † Turanta sp. Oinformal
 * † Turanta sp. SY01informal
 * † Turanta sp. T027informal
 * † Turrilites
 * † Turrilites acutus
 * † Turrilites aumalensis – or unidentified related form
 * † Turrilitoides – tentative report
 * † Turrilitoides sp.
 * † Turritella
 * † Turritella sp. Ainformal
 * † Tutcheria
 * † Tutcheria itoi
 * † Tylostoma – tentative report
 * † Tylostoma
 * † Tylostoma hanai – type locality for species
 * † Tylostoma hanaii – type locality for species
 * † Tylostoma miyakoense
 * † Tylostoma miyakoensis
 * † Tylostoma sanchuense
 * † Tympaneides
 * † Tympaneides charlottensis
 * † Udalia
 * † Udalia sp.
 * † Unio – tentative report
 * † Unio
 * † Unio agamigoensis
 * † Unio ogamigoensis
 * † Unio sp.
 * † Unionites – tentative report
 * † Unionites
 * † Unionites carinatus
 * † Unionites fassaensis
 * † Unionites kochigataniensis
 * † Unionites spp.
 * † Unionites takiguchiensis
 * † Unionites trigonus
 * † Unuma – tentative report
 * † Unuma
 * † Unuma echinatus – or unidentified related form
 * † Unuma echinatus
 * † Unuma latusicostatus
 * † Unuma paulsmithi – or unidentified related form
 * † Unuma sp.
 * † Unuma sp. Ainformal
 * † Unuma sp. Binformal
 * † Unuma sp. Cinformal
 * † Unuma sp. Dinformal
 * † Unuma sp. Finformal
 * † Unuma sp. Ginformal
 * † Unuma sp. Hinformal
 * † Unuma sp. Iinformal
 * † Unuma sp. SY01informal
 * † Unuma sp. T003informal
 * † Unuma sp. T004informal
 * † Unuma sp. T005informal
 * † Unuma sp. Xinformal
 * † Unuma sp. Yinformal
 * † Unuma typicus – or unidentified related form
 * † Unuma typicus
 * † Unuma unicus
 * † Utatsusaurus – type locality for genus
 * † Utatsusaurus
 * † Utatsusaurus hataii – type locality for species
 * † Utatsusaurus hataii
 * † Utaturiceras
 * † Utaturiceras chrysanthemum – type locality for species
 * † Utaturiceras chrysanthemum
 * † Utaturiceras discoidale – or unidentified comparable form
 * † Utaturiceras vicinale
 * † Uvanella – tentative report
 * † Uvanella
 * † Uvanella irregularis
 * † Uvanella lamellata – tentative report
 * † Uvanella sp.
 * † Valdedolsella
 * † Valdedolsella akushaensis
 * † Vallupus
 * † Vallupus hopsoni
 * † Vallupus japonicus
 * † Vanikoropsis
 * † Vanikoropsis decussata
 * † Vaugonia
 * † Vaugonia ariminensis
 * † Vaugonia awazuensis
 * † Vaugonia fukuiensis
 * † Vaugonia geniculata
 * † Vaugonia kodaijimensis
 * † Vaugonia kojiwa
 * † Vaugonia namigashira
 * † Vaugonia niranohamensis
 * † Vaugonia yambarensis
 * † Veloritina
 * † Veloritina matsumotoi – or unidentified comparable form
 * † Veniella – tentative report
 * † Veniella japonica
 * † Verrutriletes
 * † Verrutriletes dubius
 * † Verticiplagia
 * † Verticiplagia simplex – type locality for species
 * † Vesicomya
 * † Vesicomya sp.
 * † Viviparus
 * † Viviparus ogamigoensis
 * † Viviparus onogoensis
 * † Volutilithes
 * † Volutilithes antiqua – type locality for species
 * † Volzeia
 * † Volzeia badiotica – or unidentified comparable form
 * † Waagenoperna
 * † Waagenoperna ozawai
 * † Waagenoperna triangularis
 * † Wakinoichthys
 * † Wakinoichthys aokii – type locality for species
 * † Wakinoichthys aokii
 * † Wakinoichthys robustus – type locality for species
 * † Wakinosaurus – type locality for genus
 * † Wakinosaurus satoi – type locality for species
 * † Welirella
 * † Welirella sp.
 * † Weltrichia
 * † Weltrichia sp. 1informal
 * † Williamsonia
 * † Williamsonia sp. 1informal
 * † Williriedellum – tentative report
 * † Williriedellum
 * † Williriedellum carpathicum
 * † Williriedellum crystallinum
 * † Williriedellum ferum – type locality for species
 * † Williriedellum ferum
 * † Williriedellum ruesti – or unidentified related form
 * † Williriedellum ruesti – or unidentified comparable form
 * † Williriedellum ruesti
 * † Wrangellium
 * † Wrangellium okamurai
 * † Wrangellium oregonense – or unidentified comparable form
 * † Wrangellium sp.
 * † Wyomingites
 * † Wyomingites aplanatus – or unidentified comparable form
 * † Wyomingites sp.
 * † Xanthosia
 * † Xanthosia sakoi
 * † Xenocardita
 * † Xenocardita amanoi
 * † Xenoceltites – tentative report
 * † Xenoceltites
 * † Xenoceltites evolutus – or unidentified related form
 * † Xenoceltites sp.
 * † Xenodiscus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Xenodiscus sp.
 * † Xenorum
 * † Xenorum sp.
 * † Xenorum sp. Ainformal
 * † Xipha
 * † Xipha nodosa – or unidentified comparable form
 * † Xipha nodosa
 * † Xiphosphaera
 * † Xiphosphaera sp. Ainformal
 * † Xiphostylus – tentative report
 * † Xiphostylus
 * † Xiphostylus logdellensis
 * † Xiphostylus simplus
 * † Xiphostylus sinosus
 * † Xiphostylus sinuosus
 * † Xiphostylus sp.
 * † Xiphostylus sp. Ainformal
 * † Xiphostylus vallieri – or unidentified comparable form
 * † Xiphostylus whalenae – or unidentified comparable form
 * † Xiphotheca
 * † Xiphotheca sp.
 * † Xitus
 * † Xitus asymbatos
 * † Xitus gifuensis
 * † Xitus grandis
 * † Xitus magnus
 * † Xitus pulcher
 * † Xitus reticulatus – type locality for species
 * † Xitus reticulatus
 * † Xitus singularis
 * † Xitus sp.
 * † Xitus sp. Ainformal
 * † Xitus sp. Binformal
 * † Xitus spicularius – or unidentified comparable form
 * † Xitus takayanagii
 * † Yaadia
 * † Yaadia obsoleta
 * † Yaadia tanii
 * † Yamatoum – tentative report
 * † Yamatoum
 * † Yamatoum caudatum
 * † Yamatoum connicinum
 * † Yamatoum connicum
 * † Yamatoum elegans
 * † Yamatoum komamiensis
 * † Yamatoum sp. Ainformal
 * † Yamatoum sp. Binformal
 * † Yamatoum sp. Cinformal
 * † Yamatoum sp. Dinformal
 * † Yamatoum sp. SY01informal
 * † Yamatoum sp. SY02informal
 * † Yamatoum sp. SY03informal
 * † Yamatoum spinosum
 * † Yeharaia
 * † Yeharaia elegans
 * † Yezoites
 * † Yezoites planus
 * † Yezoites puerculus
 * † Yezoites sp.
 * † Yezosaurus – type locality for genus
 * † Yezosaurus mikasaensis – type locality for species
 * † Yokoyamaina
 * † Yokoyamaina hayamii
 * † Yokoyamaoceras
 * † Yokoyamaoceras ishikawai
 * † Yokoyamaoceras kotoi – or unidentified related form
 * † Yokoyamaoceras sp.
 * † Yoldia – tentative report
 * † Yoldia hakobutsensis
 * † Yungkangichthys
 * † Yungkangichthys macrodon – type locality for species
 * † Yvesgalleticeras
 * † Yvesgalleticeras sp.
 * † Zamites
 * † Zamites bayeri
 * † Zamites sp. 1informal
 * † Zamites sp. 2informal
 * † Zamites sp. 3informal
 * † Zamites sp. 4informal
 * † Zamites sp. 5informal
 * † Zamites sp. 6informal
 * † Zamites sp. 7informal
 * † Zamolxis
 * † Zamolxis dumitricai – type locality for species
 * † Zardinia
 * † Zardinia perisulcata
 * † Zartus – tentative report
 * † Zartus
 * † Zartus dickinsoni – or unidentified related form
 * † Zartus dickinsoni
 * † Zartus imlayi – or unidentified related form
 * † Zartus mostleri
 * † Zartus sp.
 * † Zartus sp. Ainformal
 * † Zartus sp. Binformal
 * † Zartus sp. Dinformal
 * † Zartus spp.
 * † Zartus stellatus
 * † Zartus thayeri
 * † Zhamoidellum
 * † Zhamoidellum ovum

Cenozoic

 * † Abides –
 * † Abides sp. –
 * † Abies –
 * † Abies protofirma –
 * † Abies sp. –
 * † Abra –
 * † Abra hakushatonensis –
 * † Abra sp. –
 * † Acanthastrea –
 * † Acanthastrea echinata – ex gr.
 * † Acanthastrea echinata –
 * † Acanthastrea hemprichii – or unidentified comparable form
 * † Acanthastrea hemprichii –
 * † Acanthastrea hillae –
 * † Acanthastrea lordhowensis – tentative report
 * † Acanthastrea lordhowensis –
 * † Acanthastrea sp. –
 * † Acanthocardia –
 * † Acanthocardia exasperatum –
 * † Acanthopagrus –
 * † Acanthopagrus sp. –
 * † Acanthosoma –
 * † Acanthosoma sp. –
 * † Acar –
 * † Acar domingensis –
 * † Acar plicata –
 * † Acer –
 * † Acer chiharae – or unidentified comparable form
 * † Acer crataegifolium – or unidentified comparable form
 * † Acer huziokae –
 * † Acer nordenskioeldii –
 * † Acer palaeorufinerve –
 * † Acer protojaponicum –
 * † Acer protomatsumurae –
 * † Acer protomiyabei –
 * † Acer prototrifidium –
 * † Acer rotundatum –
 * † Acer sp. –
 * † Acer subnikoense –
 * † Acer tricuspidatum –
 * † Acervulina –
 * † Acervulina inhaerens –
 * † Acervulina sp. –
 * † Acesta –
 * † Acesta goliath – or unidentified comparable form
 * † Acesta goliath –
 * † Acesta oyamai –
 * † Acesta smithi –
 * † Acesta watanabei – or unidentified comparable form
 * † Acharax –
 * † Acharax johnsoni –
 * † Acharax sp. –
 * † Acharax tokunagai –
 * † Acila –
 * † Acila ashiyaensis – or unidentified related form
 * † Acila ashiyaensis – or unidentified comparable form
 * † Acila ashiyaensis –
 * † Acila brevis –
 * † Acila castrensis – or unidentified related form
 * † Acila divaricata –
 * † Acila elongata – or unidentified comparable form
 * † Acila elongata –
 * † Acila enpirensis –
 * † Acila incignis –
 * † Acila insignis –
 * † Acila isignis –
 * † Acila kusiroensis –
 * † Acila mirabilis –
 * † Acila nagaoi – or unidentified comparable form
 * † Acila nakazimai –
 * † Acila picturata –
 * † Acila praedivaricata – or unidentified comparable form
 * † Acila shimoyamai –
 * † Acila sp. –
 * † Acila submirabilis –
 * † Acila vigilia – or unidentified comparable form
 * † Acirsa –
 * † Acirsa ochotensis –
 * † Acmaea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Acmaea –
 * † Acmaea mitra –
 * † Acmaea pallida –
 * † Acmaea sp. –
 * † Acropora –
 * † Acropora abrotanoides –
 * † Acropora aspera –
 * † Acropora digitifera –
 * † Acropora gemmifera –
 * † Acropora humilis – ex gr.
 * † Acropora hyacinthus – ex gr.
 * † Acropora hyacinthus –
 * † Acropora microphthalma – ex gr.
 * † Acropora monticulosa –
 * † Acropora muricata – or unidentified comparable form
 * † Acropora muricata –
 * † Acropora palmerae –
 * † Acropora robusta –
 * † Acropora sp. –
 * † Acropora sp. (Branching) – informal
 * † Acropora sp. 1 – informal
 * † Acropora sp. 2 – informal
 * † Acropora sp. 3 – informal
 * † Acropora sp. 4 – informal
 * † Acropora spicifera –
 * † Acropora spp. –
 * † Acropora spp. (Branching) – informal
 * † Acropora spp. (Tabular) – informal
 * † Acropora tenuis –
 * † Acropora tumida –
 * † Acropora yongei – or unidentified comparable form
 * † Acrosterigma – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Acrosterigma –
 * † Acrosterigma burchardi –
 * † Acrosterigma ogurai – or unidentified comparable form
 * † Acrosterigma ogurai –
 * † Acrosterigma sp. –
 * † Acrostichum –
 * † Acrostichum ubense –
 * † Acrostichum ubensis –
 * † Actaeopyramis –
 * † Actaeopyramis eximia –
 * † Actaeopyramis lauta –
 * † Acteocina –
 * † Acteocina exilis –
 * † Acteocina insignis –
 * † Acteon –
 * † Acteon teramachii – or unidentified related form
 * † Acteon teramachii –
 * † Actinocyclus –
 * † Actinocyclus curvatulus –
 * † Actinocyclus ingens –
 * † Actinocyclus ochotensis –
 * † Actinocyclus octonarius –
 * † Actinodaphne –
 * † Actinodaphne lancifolia – or unidentified comparable form
 * † Actinodonta –
 * † Actinodonta kabutoiwana –
 * † Actinoptychus –
 * † Actinoptychus senarius –
 * † Actumnus –
 * † Actumnus guinotae –
 * † Adamnestia –
 * † Adamnestia japonica –
 * † Adipicola –
 * † Adipicola chikubetsuensis –
 * † Adoneis –
 * † Adoneis pacifica –
 * † Adusta –
 * † Adusta onyx –
 * † Aequipecten –
 * † Aequipecten kikaiensis – type locality for species
 * † Aequipecten reevei –
 * † Aequipecten spectabilis –
 * † Aesculus –
 * † Aesculus majus –
 * † Aesculus sp. –
 * † Aetiocetus – tentative report
 * † Aetiocetus –
 * † Aetiocetus polydentatus – type locality for species
 * † Aetiocetus sp. –
 * † Aetiocetus tomitai – type locality for species
 * † Aetobatus –
 * † Aetobatus sp. –
 * † Afrocardium –
 * † Afrocardium infantule – type locality for species
 * † Afrocardium thielei – or unidentified comparable form
 * † Agabus – tentative report
 * † Agabus –
 * † Agabus optatus – tentative report
 * † Agabus sp. –
 * † Agladrillia –
 * † Agladrillia nakazaensis –
 * † Aglaocetus – tentative report
 * † Aglaocetus sp. –
 * † Ailanthus –
 * † Ailanthus yezoense –
 * † Akebiconcha –
 * † Akebiconcha kawamurai –
 * † Alangium –
 * † Alangium aequalifolium –
 * † Alangium basiobliquum –
 * † Alatotrochus –
 * † Alatotrochus rubescens –
 * † Albicetus –
 * † Albicetus oxymycterus – tentative report
 * † Albicetus oxymycterus –
 * † Aldrovandia –
 * † Aldrovandia sp. –
 * † Aliculastrum –
 * † Aliculastrum cylindricum –
 * † Alligator – or unidentified comparable form
 * † Alligator –
 * † Alligator sinensis –
 * † Allodesmus – tentative report
 * † Allodesmus – or unidentified comparable form
 * † Allodesmus –
 * † Allodesmus megallos – type locality for species
 * † Allodesmus megallos –
 * † Allodesmus naorai – type locality for species
 * † Allodesmus sadoensis – type locality for species
 * † Allodesmus sp. –
 * † Alnus –
 * † Alnus firma – or unidentified comparable form
 * † Alnus hirsuta – or unidentified comparable form
 * † Alnus japonica – or unidentified comparable form
 * † Alnus japonica –
 * † Alnus protohirsuta –
 * † Alnus protomaximowiczii –
 * † Alnus sp. –
 * † Aloconatica –
 * † Aloconatica niasensis – or unidentified comparable form
 * † Aloconatica niasensis –
 * † Aloidis –
 * † Aloidis scaphoides – or unidentified comparable form
 * † Alopias –
 * † Alopias exigua –
 * † Alopias latidens –
 * † Alopias sp. –
 * † Alopias superciliosus –
 * † Alvenius –
 * † Alvenius ojianus –
 * † Alveopora –
 * † Alveopora japonica –
 * † Alveopora sp. –
 * † Alveopora verrilliana – or unidentified comparable form
 * † Amaea –
 * † Amaea magnifica –
 * † Amaea niasensis – or unidentified related form
 * † Amaea thielei –
 * † Amalda –
 * † Amalda albocallosa – or unidentified related form
 * † Amalda albocallosa – or unidentified comparable form
 * † Amalda albocallosa –
 * † Amathina –
 * † Amathina nobilis –
 * † Amblychaeturichthys –
 * † Amblychaeturichthys sp. –
 * † Ammobaculites –
 * † Ammobaculites sp. –
 * † Ammobaculites yumotoensis – type locality for species
 * † Amphioplus –
 * † Amphioplus uchigoensis – type locality for species
 * † Amphistegina –
 * † Amphistegina sp. –
 * † Ampullinopsis –
 * † Ampullinopsis hahazimensis –
 * † Ampullonatica –
 * † Ampullonatica sp. –
 * † Amusium –
 * † Amusium japonicus –
 * † Amusium sibogai –
 * † Amusium sp. –
 * † Amussiopecten –
 * † Amussiopecten akiyamae –
 * † Amussiopecten akiyamaea –
 * † Amussiopecten iitomiensis –
 * † Amussiopecten praesignis –
 * † Amynodon – tentative report
 * † Amynodon –
 * † Amynodon sp. –
 * † Amynodon watanabei –
 * † Anachis –
 * † Anachis chinenensis –
 * † Anachis leroyi –
 * † Anachis pumilia –
 * † Anachis sp. –
 * † Anadara – tentative report
 * † Anadara –
 * † Anadara abdita –
 * † Anadara amicula –
 * † Anadara castellata –
 * † Anadara chichibuensis –
 * † Anadara daitokudoensis –
 * † Anadara granosa –
 * † Anadara hiratai –
 * † Anadara hokkaidoensis –
 * † Anadara kakehataensis –
 * † Anadara kogachiensis – type locality for species
 * † Anadara kogachiensis –
 * † Anadara makiyamai –
 * † Anadara ninohensis –
 * † Anadara ogawai –
 * † Anadara scapha –
 * † Anadara setoensis – or unidentified comparable form
 * † Anadara sp. –
 * † Anadara tazawensis –
 * † Anadara watanabei –
 * † Anas –
 * † Anas sp. –
 * † Ancilla –
 * † Ancilla albocallosa – or unidentified comparable form
 * † Ancilla albocallosa –
 * † Ancilla chinenensis –
 * † Ancilla iwaensis –
 * † Ancilla lanceolata – or unidentified comparable form
 * † Ancilla lanceolata –
 * † Ancilla rubiginosa –
 * † Ancilla suavis –
 * † Ancillaria –
 * † Ancillaria japonica –
 * † Ancistrolepis –
 * † Ancistrolepis masudaensis –
 * † Ancistrolepis sp. –
 * † Ancistrolepis togariensis –
 * † Ancistrolepos – tentative report
 * † Ancistrolepos sp. –
 * † Angaria –
 * † Angaria distorta –
 * † Angaria formosa –
 * † Angulus –
 * † Angulus elongata –
 * † Angulus iridella –
 * † Angulus maximus –
 * † Angulus sp. –
 * † Angulus vestalioides –
 * † Anisodonta –
 * † Anisodonta gouldi –
 * † Anisodonta recluzii –
 * † Anisospinos –
 * † Anisospinos odosensis –
 * † Annachlamys – or unidentified comparable form
 * † Annachlamys flabellatus –
 * † Anodonta –
 * † Anodonta sp. –
 * † Anodonta subjapanensis –
 * † Anodontia –
 * † Anodontia stearnsiana –
 * † Anodontia subjapanensis –
 * † Anomalina –
 * † Anomalina sp. –
 * † Anomia – tentative report
 * † Anomia –
 * † Anomia asagaiensis –
 * † Anomia chinensis –
 * † Anomia cytaeum –
 * † Anomia lischkei –
 * † Anomia sp. –
 * † Anser –
 * † Anser sp. –
 * † Antalis –
 * † Antalis sp. –
 * † Anthemiphyllia –
 * † Anthemiphyllia dentata –
 * † Antigona – tentative report
 * † Antigona –
 * † Antigona sp. –
 * † Antillia –
 * † Antillia japonica –
 * † Antillia nomaensis –
 * † Antillophos –
 * † Antillophos fusiforme –
 * † Antillophyllia –
 * † Antillophyllia constricta –
 * † Antilophos –
 * † Antilophos fusiforme –
 * † Aphananthe –
 * † Aphananthe aspera –
 * † Aphodius – tentative report
 * † Aphodius –
 * † Aphodius sp. –
 * † Aphrocallistes –
 * † Aphrocallistes sp. –
 * † Aphrocallisties –
 * † Aphrocallisties sp. –
 * † Apis –
 * † Apis lithohermaea – type locality for species
 * † Apodemus –
 * † Apodemus argenteus –
 * † Apodemus speciosus –
 * † Apolymetis –
 * † Apolymetis sp. –
 * † Aptyxis –
 * † Aptyxis okinawa – type locality for species
 * † Arachnoidiscus –
 * † Arachnoidiscus ehrenbergi –
 * † Araloselachus –
 * † Araloselachus cuspidata – or unidentified comparable form
 * † Araloselachus cuspidata –
 * † Arca –
 * † Arca avellana –
 * † Arca boucardi – or unidentified comparable form
 * † Arca boucardi –
 * † Arca navicularis –
 * † Arca sakamizuensis –
 * † Arca sp. –
 * † Arca uedai –
 * † Arca ventricosa –
 * † Archaeodobenus – type locality for genus
 * † Archaeodobenus akamatsui – type locality for species
 * † Archaeolithothamnium –
 * † Archaeolithothamnium affine – or unidentified comparable form
 * † Archaeolithothamnium chamorrosum –
 * † Archaeolithothamnium fosteri –
 * † Archaeolithothamnium liberum – or unidentified comparable form
 * † Archaeolithothamnium megamiensis –
 * † Archaeolithothamnium nummuliticum –
 * † Archaeolithothamnium parisiense –
 * † Archaeophocaena – type locality for genus
 * † Archaeophocaena teshioensis – type locality for species
 * † Architectonica –
 * † Architectonica dilecta –
 * † Architectonica distinguinda – type locality for species
 * † Architectonica kurodae –
 * † Architectonica maxima –
 * † Architectonica nomurai – or unidentified related form
 * † Architectonica nomurai –
 * † Architectonica perspectiva –
 * † Architectonica sp. –
 * † Arcopagia –
 * † Arcopagia diaphana –
 * † Arcopagia serricostata – or unidentified comparable form
 * † Arcopagia serricostata –
 * † Arcopagia subtruncata –
 * † Arcopsis –
 * † Arcopsis symmetrica –
 * † Arctocephalus –
 * † Arctocephalus sp. –
 * † Argobuccinum –
 * † Argobuccinum galea – or unidentified comparable form
 * † Argobuccinum izumozakiensis –
 * † Argobuccinum natoriana –
 * † Argobuccinum oregonensis –
 * † Argonauta –
 * † Argonauta tokunagai – type locality for species
 * † Argonauta tokunagai –
 * † Argyropeza –
 * † Argyropeza schepmaniana – or unidentified comparable form
 * † Argyropleura –
 * † Argyropleura divina – or unidentified comparable form
 * † Ariadnaria –
 * † Ariadnaria insignis –
 * † Artemisia –
 * † Artemisia sp. –
 * † Asaphis –
 * † Asaphis sp. –
 * † Aschizomys –
 * † Aschizomys andersoni –
 * † Ashoroa – type locality for genus
 * † Ashoroa laticosta – type locality for species
 * † Ashorocetus – type locality for genus
 * † Ashorocetus eguchii – type locality for species
 * † Asiocoryphodon –
 * † Asiocoryphodon sp. –
 * † Asplenium –
 * † Asplenium sp. –
 * † Assiminea –
 * † Assiminea castanea –
 * † Assiminea estuarina –
 * † Astarte –
 * † Astarte borealis –
 * † Astarte hakodatensis –
 * † Astarte sp. –
 * † Astele –
 * † Astele sp. –
 * † Astraea –
 * † Astraea haemafraga –
 * † Astraea henica –
 * † Astraea japonicus –
 * † Astraea sp. –
 * † Astralium –
 * † Astralium haematragum –
 * † Astralium rhodostoma – or unidentified related form
 * † Astrea –
 * † Astrea annuligera – ex gr.
 * † Astrea curta – or unidentified comparable form
 * † Astrea curta –
 * † Astreopora –
 * † Astreopora gracilis – or unidentified comparable form
 * † Astreopora sp. –
 * † Astrocoenia –
 * † Astrocoenia immersa –
 * † Astrocoenia nana – or unidentified comparable form
 * † Astrocoenia sp. –
 * † Astyris –
 * † Astyris martensi –
 * † Astyris varians –
 * † Atactodea –
 * † Atactodea stricta –
 * † Atheresthes –
 * † Atheresthes sp. –
 * † Athleta – tentative report
 * † Athleta –
 * † Athleta japonica –
 * † Athleta nishimurai – tentative report
 * † Athleta nishimurai –
 * † Atopotarus –
 * † Atopotarus sp. –
 * † Atrina –
 * † Atrina pectinata –
 * † Atrina sp. –
 * † Aturia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Aturia –
 * † Aturia aturi –
 * † Aturia coxi –
 * † Aturia cubaensis – or unidentified comparable form
 * † Aturia cubaensis –
 * † Aturia matsushitai – type locality for species
 * † Aturia sp. –
 * † Aturia yokoyamai –
 * † Atys – tentative report
 * † Atys okinawa –
 * † Aulaosira –
 * † Aulaosira sp. –
 * † Aulophyseter – or unidentified related form
 * † Aulophyseter sp. –
 * † Australaba –
 * † Australaba picta –
 * † Awadelphis – type locality for genus
 * † Awadelphis hirayamai – type locality for species
 * † Azolla –
 * † Azolla sp. –
 * † Azorinus –
 * † Azorinus abbreviatus –
 * † Azpeitia –
 * † Azpeitia endoi –
 * † Azpeitia nodulifera –
 * † Azpeitia tabularis –
 * † Babylonia –
 * † Babylonia elata –
 * † Babylonia japonica –
 * † Babylonia kozaiensis –
 * † Bacterosira –
 * † Bacterosira fragilis –
 * † Balaena –
 * † Balaena sp. –
 * † Balaenoptera – or unidentified related form
 * † Balaenoptera –
 * † Balaenoptera acutorostrata – or unidentified comparable form
 * † Balaenoptera acutorostrata –
 * † Balaenoptera borealis – or unidentified comparable form
 * † Balaenoptera borealis –
 * † Balaenoptera musculus –
 * † Balaenoptera omurai –
 * † Balaenoptera physalus –
 * † Balaenoptera sp. –
 * † Balaenula –
 * † Balaenula sp. –
 * † Balanophyllia –
 * † Balanophyllia cumingii – or unidentified comparable form
 * † Balanophyllia fistula –
 * † Balanophyllia imperialis – or unidentified comparable form
 * † Balanophyllia sp. –
 * † Balanus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Balanus –
 * † Balanus sp. –
 * † Balcis –
 * † Balcis cumingii –
 * † Balcis sp. 1 – informal
 * † Balcis sp. 2 – informal
 * † Balcis sp. 3 – informal
 * † Bambusites –
 * † Bambusites sp. –
 * † Bambusium –
 * † Bambusium yadakeides – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Barbatia –
 * † Barbatia adamsiana –
 * † Barbatia amygdalumtostum – or unidentified comparable form
 * † Barbatia bicolorata –
 * † Barbatia decussata –
 * † Barbatia fusca –
 * † Barbatia kubara – or unidentified comparable form
 * † Barbatia nodai – type locality for species
 * † Barbatia obtusoides –
 * † Barbatia osawanoensis –
 * † Barbatia sp. –
 * † Barbatia stearnsii –
 * † Barbatia uetsukiensis –
 * † Barnea –
 * † Barnea japonica –
 * † Barnea manilensis –
 * † Bathyancistrolepis –
 * † Bathyancistrolepis sp. –
 * † Bathyarca –
 * † Bathyarca zenophoricola –
 * † Bathybembix –
 * † Bathybembix aeola –
 * † Bathybembix arquenteonitens –
 * † Bathybembix convexiusculum – or unidentified comparable form
 * † Bathybembix sp. –
 * † Bathylagus –
 * † Bathylagus sencta –
 * † Bathylagus sp. –
 * † Bathylagus toyohamaensis –
 * † Bathysihon –
 * † Bathysihon sp. –
 * † Bathysiphon –
 * † Bathysiphon vernoni –
 * † Batillaria –
 * † Batillaria multiformis –
 * † Batillaria mutliformis –
 * † Batillaria sp. –
 * † Batillaria takeharai –
 * † Batillaria toshioi – or unidentified comparable form
 * † Batillaria toshioi –
 * † Batillaria zonais – or unidentified related form
 * † Batillaria zonalis –
 * † Bedevina –
 * † Bedevina birileffi –
 * † Bedevina sp. –
 * † Behemotops –
 * † Behemotops katsuiei – type locality for species
 * † Bellamya –
 * † Bellamya mabutii –
 * † Bellatara – tentative report
 * † Bellatara sp. –
 * † Bembidion –
 * † Bembidion sp. –
 * † Bentharca –
 * † Bentharca sp. –
 * † Benthodesmus –
 * † Benthodesmus sp. –
 * † Benthovoluta –
 * † Benthovoluta okinavensis –
 * † Berardius –
 * † Berardius bairdii –
 * † Berchemia –
 * † Berchemia miofloribunda –
 * † Berchemia racemosa –
 * † Berchemia sp. –
 * † Betula – tentative report
 * † Betula –
 * † Betula grossa – or unidentified comparable form
 * † Betula miomaximowicziana –
 * † Betula protoglobispica – or unidentified comparable form
 * † Betula schmidtii – or unidentified comparable form
 * † Betula sp. –
 * † Bibio – tentative report
 * † Bibio –
 * † Bibio sadoensis – type locality for species
 * † Bibio sp. –
 * † Biplex –
 * † Biplex perca –
 * † Bischoffia –
 * † Bischoffia ubensis –
 * † Bison –
 * † Bison sp. –
 * † Bittium –
 * † Bittium alutraceum –
 * † Bittium asatoi –
 * † Bittium craticulatum –
 * † Bittium intaminatum –
 * † Bittium perpusillum –
 * † Bittium sp. –
 * † Bolivina –
 * † Bolivina robusta –
 * † Bolivina subangularis –
 * † Bolivinita –
 * † Bolivinita quadrilatera –
 * † Bolma –
 * † Bolma hataii –
 * † Bolma modesta –
 * † Bolma pseudomolesta – or unidentified comparable form
 * † Bolma sp. – type locality for species
 * † Bolma sp. –
 * † Bolma virgata –
 * † Boreotrophon –
 * † Boreotrophon candelabrum –
 * † Boreotrophon elegantula – or unidentified comparable form
 * † Boreotrophon osawanoensis –
 * † Boreotrophon sp. –
 * † Borniopsis –
 * † Borniopsis tsurumaru –
 * † Borsonia –
 * † Borsonia shimajiriensis –
 * † Borsonia shinzato –
 * † Bostrycapulus –
 * † Bostrycapulus gravispinosa – or unidentified related form
 * † Bostrycapulus gravispinosus –
 * † Bothriodon –
 * † Bothriodon sandaensis –
 * † Bothriogenys –
 * † Bothriogenys hui – or unidentified comparable form
 * † Brachidontes –
 * † Brachidontes ogasawarai –
 * † Brachidontes sakakurai – tentative report
 * † Brachidontes sakakurai –
 * † Brachidontes sp. –
 * † Brachytoma –
 * † Brachytoma sp. –
 * † Brasenia –
 * † Brasenia purpurea –
 * † Brebvimyurella –
 * † Brebvimyurella japonica –
 * † Brisingella –
 * † Brisingella sp. –
 * † Brygmophyseter –
 * † Brygmophyseter shigensis – type locality for species
 * † Buccella –
 * † Buccella lanai –
 * † Buccinaria –
 * † Buccinaria loochooensis –
 * † Buccinaria okinawa –
 * † Buccinaria sp. –
 * † Buccinum – tentative report
 * † Buccinum –
 * † Buccinum sp. –
 * † Buccinum yatukanum –
 * † Bucella –
 * † Bucella frigida –
 * † Buergeria –
 * † Buergeria buergeri –
 * † Bufo –
 * † Bufo japonicus –
 * † Bufonaria –
 * † Bufonaria rana –
 * † Bulbus –
 * † Bulbus fragilis –
 * † Bulimina –
 * † Bulimina aculeata –
 * † Buliminella –
 * † Buliminella elegantissima –
 * † Bulla – tentative report
 * † Bulla –
 * † Bulla sp. –
 * † Bullus –
 * † Bullus vernicosus –
 * † Bursa –
 * † Bursa corrugata – or unidentified related form
 * † Bursa nobilis –
 * † Bursa ranelloides –
 * † Burtinopsis –
 * † Burtinopsis sp. –
 * † Buteo –
 * † Buteo buteo –
 * † Buxus –
 * † Buxus japonica –
 * † Buxus protojaponica –
 * † Caecum –
 * † Caecum glabella –
 * † Caenis –
 * † Caenis sp. –
 * † Caesalpinea –
 * † Caesalpinea microphylla –
 * † Caesalpinea ubensis –
 * † Caesalpinia –
 * † Caesalpinia hokiana –
 * † Caestocorbula –
 * † Caestocorbula subtumida – tentative report
 * † Caestocorbula subtumida – or unidentified comparable form
 * † Caestocorbula subtumida –
 * † Calcar –
 * † Calcar haematragus – or unidentified comparable form
 * † Calcar sp. –
 * † Calcarina –
 * † Calcarina sp. –
 * † Caldesia –
 * † Caldesia sp. –
 * † Callianassa –
 * † Callianassa inornata –
 * † Callianassa nishikawai –
 * † Callianassa sp. –
 * † Callianassa tanakai –
 * † Callianassa yagii –
 * † Callianassa yatsuoensis – type locality for species
 * † Callianopsis –
 * † Callianopsis titaensis –
 * † Callicarpa –
 * † Callicarpa sp. –
 * † Callicarpa ubensis –
 * † Calliostoma –
 * † Calliostoma consors –
 * † Calliostoma ikebei – or unidentified related form
 * † Calliostoma ikebei –
 * † Calliostoma kikaianum – type locality for species
 * † Calliostoma multiliratum –
 * † Calliostoma nahaensis –
 * † Calliostoma simane –
 * † Calliostoma sp. –
 * † Calliostoma ticanonicum –
 * † Callista – tentative report
 * † Callista –
 * † Callista adamsi –
 * † Callista ariakensis –
 * † Callista chinensis –
 * † Callista hanzawai – or unidentified comparable form
 * † Callista hanzawai –
 * † Callista kurodae –
 * † Callista munroei –
 * † Callista sp. – tentative report
 * † Callista sp. –
 * † Callithaca –
 * † Callithaca adamsi –
 * † Callithaca sp. –
 * † Callorhinus – tentative report
 * † Callorhinus –
 * † Callorhinus gilmorei –
 * † Callorhinus sp. –
 * † Callorhinus ursinus –
 * † Calopteryx –
 * † Calopteryx sp. –
 * † Calosoma – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Calosoma –
 * † Calosoma inquisitor – tentative report
 * † Calosoma sp. –
 * † Calyptraea –
 * † Calyptraea sorachiensis –
 * † Calyptraea sp. –
 * † Calyptraea tubura –
 * † Camellia –
 * † Camellia japonica –
 * † Camponotus – tentative report
 * † Camponotus sp. –
 * † Cancellaria – tentative report
 * † Cancellaria –
 * † Cancellaria chinenensis –
 * † Cancellaria hukusimana –
 * † Cancellaria kobayashii –
 * † Cancellaria laticosta –
 * † Cancellaria pristina – or unidentified related form
 * † Cancellaria pristina –
 * † Cancellaria reeveana –
 * † Cancellaria sp. –
 * † Cancellaria spengleriana –
 * † Cancellaria yonabaruensis – type locality for species
 * † Cancer –
 * † Cancer amphioetus –
 * † Cancer fujinaensis –
 * † Cancer izumoensis –
 * † Cancer japonicus –
 * † Cancer sanbonsugi –
 * † Cancer sanbonsugii –
 * † Cancer tomowoi –
 * † Cancilla –
 * † Cancilla filaris –
 * † Cancilla flammea – or unidentified comparable form
 * † Cancilla hirosei –
 * † Cancilla menkrawitensis – or unidentified related form
 * † Cancilla sp. –
 * † Cancilla yokoyamai –
 * † Cancilla yonabaruensis –
 * † Canis –
 * † Canis lupus –
 * † Cannartus –
 * † Cannartus laticonus – or unidentified comparable form
 * † Cantharidus –
 * † Cantharidus japonicus –
 * † Cantharus –
 * † Cantharus andoi – type locality for species
 * † Cantharus fumosus – or unidentified comparable form
 * † Cantharus sp. –
 * † Capreolus – tentative report
 * † Capreolus –
 * † Capreolus miyakoensis –
 * † Capreolus sp. –
 * † Capricornis –
 * † Capricornis crispus –
 * † Carabus –
 * † Carabus blaptoides –
 * † Carabus granulatus – tentative report
 * † Carabus japonicus –
 * † Carabus maacki –
 * † Carabus maeander –
 * † Carabus sp. –
 * † Carcharhinus – tentative report
 * † Carcharhinus –
 * † Carcharhinus acanthodon –
 * † Carcharhinus egatoni –
 * † Carcharhinus egertoni –
 * † Carcharhinus eggertoni –
 * † Carcharhinus priscus –
 * † Carcharhinus pristis –
 * † Carcharhinus sp. –
 * † Carcharias –
 * † Carcharias acutissima –
 * † Carcharias cuspidatus –
 * † Carcharodon –
 * † Carcharodon auriculatus –
 * † Carcharodon carcharias –
 * † Carcharodon hastalis –
 * † Carcharodon nodai –
 * † Carcharodon sp. –
 * † Carcharodon sulcidens –
 * † Carcharodon turgidus – or unidentified related form
 * † Carcinoplax –
 * † Carcinoplax antiqua –
 * † Carcinoplax granulimanus –
 * † Carcinoplax imperfecta –
 * † Carcinoplax longimanus –
 * † Carcinoplax prisca –
 * † Carcinoplax purpurea –
 * † Cardilia – tentative report
 * † Cardilia –
 * † Cardilia toyamaensis –
 * † Cardiomya –
 * † Cardiomya sp. –
 * † Cardita – tentative report
 * † Cardita –
 * † Cardita cumingiana –
 * † Cardita ishigakensis –
 * † Cardita leana –
 * † Cardita sp. –
 * † Cardita variegata – or unidentified comparable form
 * † Cardium –
 * † Cardium sp. –
 * † Carex –
 * † Carex sp. –
 * † Carex spp. –
 * † Caricella –
 * † Caricella fosteri –
 * † Carpinus –
 * † Carpinus heigunensis –
 * † Carpinus japonica – or unidentified comparable form
 * † Carpinus miocenica –
 * † Carpinus nipponica – or unidentified comparable form
 * † Carpinus sp. –
 * † Carpinus subcordata –
 * † Carpinus turczaninowii – or unidentified comparable form
 * † Carpolithes –
 * † Carpolithes japonicus –
 * † Carya –
 * † Carya microcathayensis –
 * † Carya miocathayensis –
 * † Carya sp. –
 * † Caryophyllia –
 * † Caryophyllia compressa –
 * † Caryophyllia japonica – or unidentified comparable form
 * † Caryophyllia malayicus –
 * † Caryophyllia paucipaliata –
 * † Caryophyllia sp. –
 * † Casmaria –
 * † Casmaria erincaeus –
 * † Cassidulina –
 * † Cassidulina margareta –
 * † Cassidulina sp. –
 * † Cassidulina subglobosa –
 * † Cassis –
 * † Cassis cornuta – or unidentified comparable form
 * † Castanea –
 * † Castanea miocrenata –
 * † Castanea sp. –
 * † Castanopsis –
 * † Castanopsis cuspidata –
 * † Castanopsis sp. –
 * † Catalpa –
 * † Catalpa szei –
 * † Caucasina –
 * † Caucasina schwageri –
 * † Caulastrea –
 * † Caulastrea furcata –
 * † Caulastrea tumida –
 * † Cavolinia –
 * † Cavolinia grandis –
 * † Cavolinia inflexa –
 * † Cavolinia longirostris –
 * † Cavolinia mexicana –
 * † Cavolinia quadridentata –
 * † Cedrela – tentative report
 * † Cedrela –
 * † Cedrela lanceolata –
 * † Cedrela sp. –
 * † Cedroxylon –
 * † Cedroxylon sp. –
 * † Celtis –
 * † Celtis hokiensis –
 * † Celtis nathorstii –
 * † Celtis sp. –
 * † Cephalotaxus –
 * † Cephalotaxus sp. –
 * † Ceratophyllum –
 * † Ceratophyllum miodemersum –
 * † Ceratopteris –
 * † Ceratopteris sp. –
 * † Ceratostoma –
 * † Ceratostoma brachypteron –
 * † Ceratostoma modestum –
 * † Cerba –
 * † Cerba schafferi –
 * † Cerbera –
 * † Cerbera schafferi –
 * † Cercidiphyllum –
 * † Cercidiphyllum crenatum –
 * † Cercis –
 * † Cercis miochinensis –
 * † Cerithidea – tentative report
 * † Cerithidea –
 * † Cerithidea djadjariensis –
 * † Cerithidea hondai – type locality for species
 * † Cerithidea ishikariensis –
 * † Cerithidea kanpokuensis – or unidentified comparable form
 * † Cerithidea kanpokueusis –
 * † Cerithidea matajiroi –
 * † Cerithidea minoensis –
 * † Cerithidea ohiroi – type locality for species
 * † Cerithidea rhizoporarum –
 * † Cerithidea sp. –
 * † Cerithidea tokunariensis – or unidentified comparable form
 * † Cerithidea tokunariensis –
 * † Cerithidea yatsuoensis – or unidentified comparable form
 * † Cerithiopsis –
 * † Cerithiopsis premelvilli –
 * † Cerithiopsis sp. –
 * † Cerithium –
 * † Cerithium aluco –
 * † Cerithium ancisum –
 * † Cerithium citrinus –
 * † Cerithium echinatum –
 * † Cerithium kobelti –
 * † Cerithium kochi –
 * † Cerithium nodulosus –
 * † Cerithium sp. –
 * † Cerithium vertagus – or unidentified comparable form
 * † Cerorhinca –
 * † Cerorhinca monocerata – or unidentified comparable form
 * † Cervus – tentative report
 * † Cervus –
 * † Cervus astylodon –
 * † Cervus greyi – or unidentified comparable form
 * † Cervus katokiyomasai –
 * † Cervus kazusensis –
 * † Cervus naorai – type locality for species
 * † Cervus paleozoensis –
 * † Cervus praeonipponicus – or unidentified comparable form
 * † Cervus shikamai –
 * † Cervus sp. –
 * † Cervus takaoi –
 * † Cervus tamaensis –
 * † Cervus yesoensis –
 * † Cethocyrtis –
 * † Cethocyrtis japonica –
 * † Cetorhinus –
 * † Cetorhinus maximus –
 * † Cetorhinus sp. –
 * † Chaenogobius –
 * † Chaenogobius castaneus –
 * † Chama –
 * † Chama dunkeri – or unidentified comparable form
 * † Chama lazarus –
 * † Chama lobata –
 * † Chama reflexa – or unidentified comparable form
 * † Chama reflexa –
 * † Chama semipurpurata –
 * † Chama sp. –
 * † Chamaecyparis –
 * † Chamaecyparis pisifera –
 * † Charonia –
 * † Charonia sauliae – or unidentified comparable form
 * † Charonia sauliae –
 * † Charonia sp. –
 * † Charybdis –
 * † Charybdis japonica –
 * † Charybdis sp. –
 * † Charybdus –
 * † Charybdus japonica –
 * † Chauliodus –
 * † Chauliodus sp. –
 * † Cheilea –
 * † Cheilea layardii –
 * † Cheilea sp. –
 * † Cheirotonus –
 * † Cheirotonus otai – type locality for species
 * † Chemnitzia –
 * † Chemnitzia sp. 1 – informal
 * † Chemnitzia sp. 2 – informal
 * † Chemnitzia sp. 3 – informal
 * † Chenopodium –
 * † Chenopodium sp. –
 * † Chicoreus –
 * † Chicoreus anuliferous – or unidentified related form
 * † Chicoreus asano – or unidentified comparable form
 * † Chicoreus asanoi –
 * † Chicoreus asianus –
 * † Chicoreus capuchinus –
 * † Chicoreus capucinus –
 * † Chicoreus microphyllus – or unidentified comparable form
 * † Chicoreus notoensis – or unidentified comparable form
 * † Chicoreus saulii –
 * † Chicoreus scaber –
 * † Chicoreus sp. –
 * † Chionanthus –
 * † Chionanthus nipponicus –
 * † Chione – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Chione –
 * † Chione marica –
 * † Chione mindanensis –
 * † Chione sp. –
 * † Chione tateiwai –
 * † Chione yabei – type locality for species
 * † Chlaenius –
 * † Chlaenius gebleri –
 * † Chlaenius sp. –
 * † Chlaenius spp. –
 * † Chlamydoselachus –
 * † Chlamydoselachus sp. –
 * † Chlamys – tentative report
 * † Chlamys –
 * † Chlamys arakawai – or unidentified comparable form
 * † Chlamys ashiyaensis –
 * † Chlamys cosibensis –
 * † Chlamys farreri –
 * † Chlamys gracilisquamosa – or unidentified comparable form
 * † Chlamys halimensis –
 * † Chlamys hanzawae –
 * † Chlamys historicus –
 * † Chlamys ingeniosa – or unidentified related form
 * † Chlamys itogawae –
 * † Chlamys iwakiana –
 * † Chlamys iwamuraensis –
 * † Chlamys kaneharai –
 * † Chlamys kotorana – or unidentified related form
 * † Chlamys laetus –
 * † Chlamys mabuchii –
 * † Chlamys matsumoriensis –
 * † Chlamys meisensis – or unidentified comparable form
 * † Chlamys miurensis –
 * † Chlamys namigataensis –
 * † Chlamys nipponensis – or unidentified comparable form
 * † Chlamys nipponensis –
 * † Chlamys nisataiensis – or unidentified comparable form
 * † Chlamys nobilis –
 * † Chlamys otukae – or unidentified comparable form
 * † Chlamys satoi –
 * † Chlamys senatorius –
 * † Chlamys shitakaraensis –
 * † Chlamys sp. –
 * † Chlamys squamata – or unidentified comparable form
 * † Chlamys swifti –
 * † Chlamys tamurae –
 * † Chlamys tanassevitchi –
 * † Chlamys tanassevitschi –
 * † Chlorostoma –
 * † Chlorostoma rugata –
 * † Chlorostoma rusticus –
 * † Chlorostoma sp. –
 * † Chrysallida –
 * † Chrysallida sp. –
 * † Chrysodomus –
 * † Chrysodomus modestus –
 * † Chrysostoma –
 * † Chrysostoma paradoxum –
 * † Cibicides –
 * † Cibicides lobatulus – or unidentified comparable form
 * † Cibicides pseudougerinus –
 * † Cibicides sp. –
 * † Ciliatocardium –
 * † Ciliatocardium asagaiense –
 * † Ciliatocardium ciliatum – or unidentified comparable form
 * † Ciliatocardium ciliatum –
 * † Ciliatocardium hataii – or unidentified comparable form
 * † Ciliatocardium shinjiense –
 * † Cimbex –
 * † Cimbex sp. –
 * † Cingulina –
 * † Cingulina cingulata –
 * † Cinnamomum –
 * † Cinnamomum camphora – or unidentified comparable form
 * † Cinnamomum camphora –
 * † Cinnamomum japonicum – or unidentified comparable form
 * † Cinnamomum nagatoense –
 * † Cinnamomum naitoanum –
 * † Cipangopaludina –
 * † Cipangopaludina ishikariensis – tentative report
 * † Cipangopaludina ishikariensis –
 * † Cipangopaludina isikariensis –
 * † Cipangopaludina jimboi –
 * † Cipangopaludina sorachiensis – tentative report
 * † Cipangoplaudina –
 * † Cipangoplaudina isikariensis –
 * † Circe –
 * † Circe sp. –
 * † Cirsochilus –
 * † Cirsochilus ryukyuensis –
 * † Cirsotrema –
 * † Cirsotrema suboptima – type locality for species
 * † Clacus –
 * † Clacus pica –
 * † Cladogramma –
 * † Cladogramma sp. –
 * † Cladrastis – tentative report
 * † Cladrastis –
 * † Cladrastis aniensis – tentative report
 * † Cladrastis aniensis –
 * † Cladrastis inouei –
 * † Cladrastis platycarpa – or unidentified comparable form
 * † Cladrastis shikokiana – or unidentified comparable form
 * † Cladrastis sp. –
 * † Claibornites –
 * † Claibornites quinquangulus –
 * † Clanculus –
 * † Clanculus bronni –
 * † Clanculus clanguloides –
 * † Clanculus margaritarius –
 * † Clanculus microdon –
 * † Clathrodillia –
 * † Clathrodillia jeffreysii – or unidentified comparable form
 * † Clathrofenella –
 * † Clathrofenella asperulata –
 * † Clathurella –
 * † Clathurella subauriformis –
 * † Clavatula –
 * † Clavatula kakegawensis – or unidentified comparable form
 * † Clavus –
 * † Clavus sp. –
 * † Clementia –
 * † Clementia iizukai –
 * † Clementia japonica –
 * † Clementia papyracea –
 * † Clementia sp. –
 * † Clementia vatheleti –
 * † Clementina –
 * † Clementina nakosoensis –
 * † Cleotrivia –
 * † Cleotrivia pilula –
 * † Clethra – tentative report
 * † Clethra –
 * † Clethra maximowiczii –
 * † Clethra sp. –
 * † Clidoderma –
 * † Clidoderma sp. –
 * † Clinocardium – tentative report
 * † Clinocardium –
 * † Clinocardium andoi –
 * † Clinocardium californiense –
 * † Clinocardium decoratum –
 * † Clinocardium fastosum –
 * † Clinocardium hatsusense – type locality for species
 * † Clinocardium nuttallii –
 * † Clinocardium ogurai –
 * † Clinocardium okushirense –
 * † Clinocardium omagariense –
 * † Clinocardium shinjiensis –
 * † Clinocardium sp. –
 * † Clio –
 * † Clio pyramidata –
 * † Clio pyramidate –
 * † Clio virgula –
 * † Clithon –
 * † Clithon oulaniensis –
 * † Clypeomorus –
 * † Clypeomorus coralium – or unidentified comparable form
 * † Clypeomorus coralius –
 * † Coccconeis –
 * † Coccconeis oculusiridis –
 * † Cocconeis –
 * † Cocconeis californica –
 * † Cocconeis costata –
 * † Cocconeis marginatus –
 * † Cocconeis pellucida –
 * † Cocconeis scutellum –
 * † Cocconeis sp. –
 * † Cocconeis vitrea –
 * † Cocculina –
 * † Cocculina loochooensis –
 * † Cocculus – tentative report
 * † Cocculus –
 * † Cocculus sp. –
 * † Cocculus trilobus – or unidentified comparable form
 * † Codakia –
 * † Codakia exasperata –
 * † Codakia tigerina –
 * † Coelastrea –
 * † Coelastrea aspera –
 * † Coelorhynchus –
 * † Coelorhynchus sp. –
 * † Coelostoma –
 * † Coelostoma orbiculare – tentative report
 * † Coelostoma orbiculare –
 * † Coelostoma sp. –
 * † Coelostoma stultum –
 * † Coerospondias –
 * † Coerospondias sp. –
 * † Collinsius –
 * † Collinsius simplex –
 * † Collonista –
 * † Collonista globula –
 * † Collonista laeta –
 * † Collonista pilula –
 * † Collonista purpurascens –
 * † Colpophyllia –
 * † Colpophyllia sp. –
 * † Colpospira –
 * † Colpospira kotakai –
 * † Colpospira okadai –
 * † Colpospira tashiroi –
 * † Colpospira yabei –
 * † Colubraria –
 * † Colubraria sp. –
 * † Columbella –
 * † Columbella versicolor –
 * † Colus –
 * † Colus fujimotoi – or unidentified comparable form
 * † Colus periscelidus –
 * † Colus sp. –
 * † Cominella –
 * † Cominella okinavensis –
 * † Comitas –
 * † Comitas sp. –
 * † Compsodillia –
 * † Compsodillia nakamurai –
 * † Compsodrillia – tentative report
 * † Compsodrillia –
 * † Compsodrillia nakamurai –
 * † Compsodrillia torvita –
 * † Compsomyax –
 * † Compsomyax iizukai –
 * † Conasprella –
 * † Conasprella aculeiformis – or unidentified comparable form
 * † Conasprella comatosa –
 * † Conchocele –
 * † Conchocele bisecta –
 * † Conotrochus –
 * † Conotrochus elongatus –
 * † Conus – tentative report
 * † Conus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Conus –
 * † Conus capitaneus – or unidentified related form
 * † Conus capitaneus – or unidentified comparable form
 * † Conus comatosaeformis –
 * † Conus cosmetelus –
 * † Conus cosmetulus – or unidentified comparable form
 * † Conus djarianensis – or unidentified related form
 * † Conus ebraeus – or unidentified comparable form
 * † Conus eburneus – or unidentified comparable form
 * † Conus generalis – or unidentified comparable form
 * † Conus geographus –
 * † Conus glans – or unidentified comparable form
 * † Conus gratacapi –
 * † Conus kikaiensis –
 * † Conus lignarius –
 * † Conus litteratus – or unidentified comparable form
 * † Conus lividus – or unidentified comparable form
 * † Conus lividus –
 * † Conus loochooensis –
 * † Conus magus – or unidentified comparable form
 * † Conus marmoreus – or unidentified comparable form
 * † Conus miles –
 * † Conus mucronatus –
 * † Conus musatella – or unidentified related form
 * † Conus planorbis – or unidentified comparable form
 * † Conus precancellatus –
 * † Conus raphanus – or unidentified related form
 * † Conus shimajiriensis –
 * † Conus sieboldianus –
 * † Conus sielboldianus –
 * † Conus sp. –
 * † Conus textile – or unidentified related form
 * † Conus tokunagai – or unidentified comparable form
 * † Conus tokunagai –
 * † Conus toyamaensis –
 * † Conus tulipa –
 * † Conus virgo – or unidentified related form
 * † Conus voluminalis –
 * † Conus yabei – or unidentified comparable form
 * † Copepteryx – type locality for genus
 * † Copepteryx –
 * † Copepteryx hexeris – type locality for species
 * † Copepteryx hexeris –
 * † Copepteryx titan – type locality for species
 * † Coptothyris –
 * † Coptothyris excelsa –
 * † Coptothyris gray –
 * † Coptothyris grayi –
 * † Corallina –
 * † Corallina cossmanni – or unidentified comparable form
 * † Corallina matansa –
 * † Corallina prisca –
 * † Coralliophila –
 * † Coralliophila costularis – or unidentified comparable form
 * † Coralliophila deformis –
 * † Coralliophila hataii –
 * † Coralliophila iwaensis –
 * † Corbicula –
 * † Corbicula japonica –
 * † Corbicula kotakai –
 * † Corbicula nagaoi –
 * † Corbicula sakakibarai –
 * † Corbicula sitakaraensis – or unidentified comparable form
 * † Corbicula sitakaraensis –
 * † Corbicula sp. –
 * † Corbicula tokudai – tentative report
 * † Corbicula tokudai –
 * † Corbicula ueji – type locality for species
 * † Corbula – tentative report
 * † Corbula –
 * † Corbula ohiroi –
 * † Corbula osawanoensis –
 * † Corbula rotalis –
 * † Corbula sp. –
 * † Corbula ventusta –
 * † Corbula venusta – or unidentified comparable form
 * † Corbula venusta –
 * † Corbula yokoyamai –
 * † Cordia –
 * † Cordia nagatoensis –
 * † Cordium –
 * † Cordium sp. –
 * † Cordosphaeridium –
 * † Cordosphaeridium exilimurum –
 * † Coriaria –
 * † Coriaria japonica – or unidentified comparable form
 * † Cornopteris –
 * † Cornopteris sp. –
 * † Cornus –
 * † Cornus megaphylla –
 * † Cornus miowalteri – or unidentified comparable form
 * † Coronasyrinx –
 * † Coronasyrinx takabanarensis –
 * † Corylopsis –
 * † Corylopsis sp. –
 * † Corylus –
 * † Corylus heterophylla – or unidentified comparable form
 * † Corylus sp. –
 * † Corylus subsieboldiana –
 * † Coscinaraea – tentative report
 * † Coscinaraea –
 * † Coscinaraea columna – tentative report
 * † Coscinaraea columna –
 * † Coscinaraea sp. – type locality for species
 * † Coscinaraea sp. –
 * † Coscinodiscus –
 * † Coscinodiscus marginatus –
 * † Coscinodiscus radiatus –
 * † Cosmiodiscus –
 * † Cosmiodiscus insignis –
 * † Cosoryx –
 * † Cosoryx furcatus – or unidentified related form
 * † Costalynia –
 * † Costalynia costulata –
 * † Crassatella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Crassatella –
 * † Crassatella fusca –
 * † Crassatella nagahamai –
 * † Crassatella nipponensis –
 * † Crassatella oblongata –
 * † Crassatella pauxilla – or unidentified comparable form
 * † Crassatella pauxilla –
 * † Crassatella sp. –
 * † Crassatella takanabensis –
 * † Crassatella yabei –
 * † Crassatella yessoensis –
 * † Crassatellites –
 * † Crassatellites nanus –
 * † Crassispira –
 * † Crassispira hataii –
 * † Crassispira pseudoprincipalis – or unidentified comparable form
 * † Crassispira pseudoprincipalis –
 * † Crassopleura –
 * † Crassopleura brevis – or unidentified related form
 * † Crassostrea – tentative report
 * † Crassostrea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Crassostrea –
 * † Crassostrea gigas –
 * † Crassostrea gravitesta – or unidentified comparable form
 * † Crassostrea gravitesta –
 * † Crassostrea pretigris –
 * † Crassostrea sp. –
 * † Crassostrea sunakozakaensis –
 * † Crassotrea –
 * † Crassotrea gravitesta –
 * † Crataegus –
 * † Crataegus hokiensis –
 * † Crenella –
 * † Crenella striatocostata –
 * † Crenella type locality for species A – informal
 * † Crepidula – tentative report
 * † Crepidula –
 * † Crepidula grandis – or unidentified comparable form
 * † Crepidula isimotoi –
 * † Crepidula jimboana –
 * † Crepidula matajiroi –
 * † Crepidula nidatoriensis – or unidentified comparable form
 * † Crepidula sp. –
 * † Crepidula tainohataensis – type locality for species
 * † Creseis –
 * † Creseis acicula –
 * † Creseis kishimaensis –
 * † Cribroperidinium –
 * † Cribroperidinium tenuitabulatum –
 * † Cristaria –
 * † Cristaria sp. –
 * † Crocidura –
 * † Crocidura dsinezumi –
 * † Cryptomeria –
 * † Cryptomeria sp. –
 * † Cryptomya – tentative report
 * † Cryptomya –
 * † Cryptomya busoensis –
 * † Cryptomya sp. –
 * † Cryptonatica – tentative report
 * † Cryptonatica –
 * † Cryptonatica affinis –
 * † Cryptonatica andoi –
 * † Cryptonatica janthostoma –
 * † Cryptonatica janthostomoides –
 * † Cryptonatica sp. –
 * † Cryptopecten – or unidentified comparable form
 * † Cryptopecten –
 * † Cryptopecten nux –
 * † Cryptopecten vesiculosus –
 * † Cryptopecten yanagawaensis –
 * † Crytocapsella –
 * † Crytocapsella cornuta –
 * † Ctena –
 * † Ctena bella –
 * † Ctena divergens –
 * † Ctena hataii –
 * † Ctena okinawazimana –
 * † Ctenocheles –
 * † Ctenocheles inaequidens –
 * † Ctenocheles sujakui –
 * † Ctenoides –
 * † Ctenoides dunkeri –
 * † Ctenoides oshimensis –
 * † Cucullaea –
 * † Cucullaea granulosa –
 * † Cultellus –
 * † Cultellus izumoensis –
 * † Cultellus sp. –
 * † Culutellus –
 * † Culutellus izumoensis –
 * † Cunninghamia –
 * † Cunninghamia sp. –
 * † Cuspeulima –
 * † Cuspeulima ozawai –
 * † Cuspidaria –
 * † Cuspidaria teramachii – or unidentified related form
 * † Cuvierina –
 * † Cuvierina columnella –
 * † Cyathotrochus –
 * † Cyathotrochus pileus –
 * † Cycas –
 * † Cycas fujiiana – type locality for species
 * † Cycladicama –
 * † Cycladicama cumingii –
 * † Cycladicama ferruginatum –
 * † Cycladicama semiasperoides –
 * † Cyclammina –
 * † Cyclammina ezoensis –
 * † Cyclammina incisa – or unidentified comparable form
 * † Cyclammina sp. –
 * † Cyclina – tentative report
 * † Cyclina –
 * † Cyclina hwabongriensis –
 * † Cyclina japonica – or unidentified comparable form
 * † Cyclina japonica –
 * † Cyclina lunulata – or unidentified comparable form
 * † Cyclina lunulata –
 * † Cyclina nodai – or unidentified related form
 * † Cyclina orientalis –
 * † Cyclina shirokiana –
 * † Cyclina sp. –
 * † Cyclina takeyamai –
 * † Cyclobalanopsis –
 * † Cyclobalanopsis naitoi –
 * † Cyclobalanopsis sp. –
 * † Cyclocardia –
 * † Cyclocardia abesinaiensis –
 * † Cyclocardia akagii – or unidentified comparable form
 * † Cyclocardia eoensis –
 * † Cyclocardia ezoensis –
 * † Cyclocardia ferrugianea –
 * † Cyclocardia ferruginea – or unidentified comparable form
 * † Cyclocardia ferruginea –
 * † Cyclocardia fujinaensis –
 * † Cyclocardia laxata –
 * † Cyclocardia myogadaniensis –
 * † Cyclocardia orbica –
 * † Cyclocardia otatsumei –
 * † Cyclocardia pornaiensis –
 * † Cyclocardia poronaiensis – type locality for species
 * † Cyclocardia siogamensis –
 * † Cyclocardia sp. –
 * † Cyclocardia tokudai –
 * † Cyclocardia tokunagai –
 * † Cyclocardia vestitoides – or unidentified comparable form
 * † Cyclocardia yokoyamai –
 * † Cyclocardia yoshidai – or unidentified comparable form
 * † Cyclocarya –
 * † Cyclocarya ezoana –
 * † Cyclodicama –
 * † Cyclodicama sp. –
 * † Cycloseris –
 * † Cycloseris costulata –
 * † Cycloseris cyclolites –
 * † Cycloseris distorta –
 * † Cycloseris fragilis – tentative report
 * † Cycloseris patelliformis –
 * † Cycloseris sp. –
 * † Cyclostrema –
 * † Cyclostrema sulcatum –
 * † Cyclotella –
 * † Cyclotella sp. –
 * † Cyclotella striata –
 * † Cyclothone –
 * † Cyclothone sp. –
 * † Cyclottella –
 * † Cyclottella comta –
 * † Cylichna –
 * † Cylichna arachis –
 * † Cylichna takashimensis –
 * † Cylichna totomiensis –
 * † Cylichnatys –
 * † Cylichnatys angusta –
 * † Cylindrichnus –
 * † Cylindrichnus japonicus –
 * † Cyllene –
 * † Cyllene gracilenta –
 * † Cyllene pulchella – or unidentified related form
 * † Cymatium – tentative report
 * † Cymatium –
 * † Cymatium dunkeri –
 * † Cymatium gutturnium –
 * † Cymatium nagasakiensis –
 * † Cymatium nagaskiensis –
 * † Cymatium sinense –
 * † Cymatium sp. –
 * † Cymatium testudinarium –
 * † Cymatoceras –
 * † Cymatoceras tsukushiense –
 * † Cymatosira –
 * † Cymatosira debyi –
 * † Cynarina –
 * † Cynarina lacrymalis –
 * † Cyphastrea –
 * † Cyphastrea chalcidicum –
 * † Cyphastrea japonica –
 * † Cyphastrea microphthalma –
 * † Cyphastrea serailia –
 * † Cyphastrea sp. –
 * † Cyphastrea spp. –
 * † Cypraea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Cypraea –
 * † Cypraea ohiroi – type locality for species
 * † Cypraea ohiroi – or unidentified comparable form
 * † Cypraea ohiroi –
 * † Cypraea sp. –
 * † Cyrtocapsella –
 * † Cyrtocapsella tetrapera –
 * † Cythara – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Cythara –
 * † Cythara china –
 * † Cythara deshayesii –
 * † Cythara sp. – tentative report
 * † Cythara sp. –
 * † Cytharella –
 * † Cytharella semicarinata –
 * † Dalatias –
 * † Dalatias licha –
 * † Dalatias sp. –
 * † Daldorfia –
 * † Daldorfia nagashimai –
 * † Daldorfia sp. –
 * † Daphne – tentative report
 * † Daphne sp. –
 * † Daphnella –
 * † Daphnella lymneiformis –
 * † Daphnella ryukyuensis –
 * † Dardanus –
 * † Dardanus muelleri –
 * † Dasmosmilia –
 * † Dasmosmilia pacifica –
 * † Dasyatis –
 * † Dasyatis nipponensis –
 * † Dasyatis sp. –
 * † Decatopecten –
 * † Decatopecten plica – or unidentified comparable form
 * † Decatopecten plica –
 * † Decorifer –
 * † Decorifer yamakawai –
 * † Delecopecten –
 * † Delecopecten peckhami –
 * † Delectopecten –
 * † Delectopecten peckhami –
 * † Delectopecten sp. –
 * † Delphinapterus –
 * † Delphinapterus leucas –
 * † Delphineis –
 * † Delphineis angustata – or unidentified comparable form
 * † Delphineis sp. –
 * † Delphineis surirella –
 * † Delphinodon – or unidentified related form
 * † Delphinodon dividum –
 * † Delphinula –
 * † Delphinula delphinus –
 * † Delphinus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Delphinus –
 * † Delphinus delphis –
 * † Delphinus rikuzenensis – type locality for species
 * † Deltoidonautilus –
 * † Deltoidonautilus okinoshimensis – type locality for species
 * † Deltoidonautilus okinoshimensis –
 * † Dendostrea –
 * † Dendostrea crenulifera –
 * † Dendropanax –
 * † Dendropanax ubensis –
 * † Dendrophyllia –
 * † Dendrophyllia koiwaii – type locality for species
 * † Dentalina –
 * † Dentalina dusenburyi –
 * † Dentalium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Dentalium –
 * † Dentalium ashiyaensis –
 * † Dentalium buccinulum –
 * † Dentalium corscum –
 * † Dentalium nunomae –
 * † Dentalium octangulatum –
 * † Dentalium sp. –
 * † Dentalium toyamaense –
 * † Dentalium weinkauffi – tentative report
 * † Dentalium yokoyamai –
 * † Dentarene –
 * † Dentarene chinenensis –
 * † Denticulopsis –
 * † Denticulopsis dimorpha –
 * † Denticulopsis hustedii –
 * † Depressiscala –
 * † Depressiscala auritum –
 * † Dermatolithon –
 * † Dermatolithon nitida –
 * † Desmodium –
 * † Desmodium tatsumitogeanum –
 * † Desmostylus – type locality for genus
 * † Desmostylus – tentative report
 * † Desmostylus –
 * † Desmostylus hesperus – type locality for species
 * † Desmostylus hesperus – or unidentified comparable form
 * † Desmostylus hesperus –
 * † Desmostylus sp. –
 * † Deutzia –
 * † Deutzia crenata – or unidentified comparable form
 * † Deutzia sp. –
 * † Diacria –
 * † Diacria trispinosa –
 * † Diala –
 * † Diala vaira –
 * † Diaphus –
 * † Diaphus muraii –
 * † Diaphus sp. –
 * † Diloma – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Diloma sp. –
 * † Dimorphastrea – tentative report
 * † Dimorphastrea sp. –
 * † Dinocardium –
 * † Dinocardium angustum –
 * † Dinocardium braunsi –
 * † Diodon –
 * † Diodon sp. –
 * † Diodora –
 * † Diodora elaborata –
 * † Diodora mus –
 * † Diodora quadriradiata –
 * † Diodora sieboldii –
 * † Diodora sp. –
 * † Diorocetus –
 * † Diorocetus chichibuensis – type locality for species
 * † Diorocetus shobarensis – type locality for species
 * † Diorocetus sp. –
 * † Diospyros –
 * † Diospyros lanceolata –
 * † Diospyros ubensis –
 * † Diplazium –
 * † Diplazium sp. –
 * † Diploastrea –
 * † Diploastrea heliopora –
 * † Diplodonta – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Diplodonta –
 * † Diplodonta ferruginata –
 * † Diplodonta gouldi –
 * † Diplodonta sp. –
 * † Diplodonta usta – or unidentified comparable form
 * † Diplodonta usta –
 * † Diplothrix –
 * † Diplothrix legata –
 * † Dipsastraea –
 * † Dipsastraea amicorum –
 * † Dipsastraea favus –
 * † Dipsastraea laxa – ex gr.
 * † Dipsastraea laxa –
 * † Dipsastraea lizardensis –
 * † Dipsastraea maxima – ex gr.
 * † Dipsastraea maxima –
 * † Dipsastraea pallida – or unidentified comparable form
 * † Dipsastraea pallida – ex gr.
 * † Dipsastraea pallida –
 * † Dipsastraea sp. –
 * † Dipsastraea speciosa –
 * † Discors –
 * † Discors lyrata – or unidentified related form
 * † Discors lyrata – or unidentified comparable form
 * † Discors lyratum –
 * † Discors sp. –
 * † Distorsio –
 * † Distorsio reticulata –
 * † Distylium –
 * † Distylium ubeanum –
 * † Dodonaea –
 * † Dodonaea tanaii –
 * † Dolicholatirus –
 * † Dolicholatirus acus – or unidentified comparable form
 * † Donacia –
 * † Donacia clavareaui – tentative report
 * † Donacia clavareaui –
 * † Donacia flemora –
 * † Donacia hiurai – or unidentified comparable form
 * † Donacia japana –
 * † Donacia lenzi –
 * † Donacia ozensis – tentative report
 * † Donacia ozensis – or unidentified comparable form
 * † Donacia ozensis –
 * † Donacia provosti – or unidentified comparable form
 * † Donacia sp. – informal
 * † Donacia sp. –
 * † Donacia sparganii –
 * † Donacia splendens – tentative report
 * † Donacia splendens –
 * † Donacia spp. –
 * † Donacia uedana – type locality for species
 * † Donacia uedana –
 * † Donacia versicolorea – or unidentified comparable form
 * † Donacia vulgaris – tentative report
 * † Donacia vulgaris –
 * † Donaciella –
 * † Donaciella nagaokana –
 * † Donax –
 * † Donax sp. –
 * † Dosinia – tentative report
 * † Dosinia –
 * † Dosinia akaisiana –
 * † Dosinia amphidesmoides –
 * † Dosinia angulosa – or unidentified comparable form
 * † Dosinia angulosa –
 * † Dosinia chikuzenensis –
 * † Dosinia ettyuensis –
 * † Dosinia hataii –
 * † Dosinia histrio –
 * † Dosinia japonica –
 * † Dosinia kaneharai – or unidentified comparable form
 * † Dosinia kaneharai –
 * † Dosinia nomurai –
 * † Dosinia owadaensis – or unidentified comparable form
 * † Dosinia penicillata –
 * † Dosinia sp. –
 * † Dosinia steinmanni – or unidentified related form
 * † Dosinia suketoense –
 * † Dosinia suketoensis – or unidentified comparable form
 * † Dosinia suketoensis –
 * † Dosinia tomikawensis – or unidentified comparable form
 * † Dosinia tomikawensis –
 * † Dosinia troscheli – or unidentified comparable form
 * † Dosinia troscheli –
 * † Dosinia undulata –
 * † Drupa –
 * † Drupa biconica –
 * † Dunkeria –
 * † Dunkeria shigeyasui –
 * † Duplicaria –
 * † Duplicaria osawanoensis – or unidentified comparable form
 * † Duplicaria tsuboiana – or unidentified comparable form
 * † Dusisiren –
 * † Dusisiren dewana – type locality for species
 * † Dusisiren sp. –
 * † Dusisiren takasatensis – type locality for species
 * † Dysmea –
 * † Dysmea occidens –
 * † Dytiscus –
 * † Dytiscus sp. –
 * † Ebalia –
 * † Ebalia kakegawaensis –
 * † Echinodiscus –
 * † Echinodiscus ashiyaensis –
 * † Echinodiscus chikuzenensis –
 * † Echinomorpha –
 * † Echinomorpha nishihirai –
 * † Echinophoria –
 * † Echinophoria etchuensis –
 * † Echinophyllia –
 * † Echinophyllia aspera –
 * † Echinophyllia echinata –
 * † Echinophyllia sp. –
 * † Echinophyllia spp. –
 * † Echinopora –
 * † Echinopora gemmacea –
 * † Echinopora hirsutissima –
 * † Echinopora lamellosa – tentative report
 * † Echinopora lamellosa –
 * † Echinopora mammiformis –
 * † Echinopora pacificus –
 * † Echinopora sp. –
 * † Egilina –
 * † Egilina mariellaeformis –
 * † Eglisia –
 * † Eglisia tricarinata –
 * † Ehretia – tentative report
 * † Ehretia –
 * † Ehretia sp. –
 * † Elaeocarpus –
 * † Elaeocarpus florinii –
 * † Elaeocyma –
 * † Elaeocyma braunsi – or unidentified related form
 * † Elaphe –
 * † Elaphe taeniura –
 * † Elaphrus –
 * † Elaphrus japonicus –
 * † Elaphrus sp. –
 * † Elasmophyllia – tentative report
 * † Elasmophyllia sp. –
 * † Elasmucha – tentative report
 * † Elasmucha sp. –
 * † Elomeryx –
 * † Elomeryx japonicus – type locality for species
 * † Elomeryx japonicus –
 * † Elomeryx sp. –
 * † Elphidium –
 * † Elphidium asagaiense – type locality for species
 * † Elphidium sorachiense –
 * † Elphidium sp. –
 * † Elphidium yumotoense – type locality for species
 * † Emarginula –
 * † Emarginula crassicostata –
 * † Emarginula galericulata –
 * † Emarginula japonica –
 * † Emarginula maculata –
 * † Emarginula retecosa –
 * † Endopachys –
 * † Endopachys grayi –
 * † Enginopsis –
 * † Enginopsis menkeana –
 * † Ennucula –
 * † Ennucula nipponica – or unidentified comparable form
 * † Ennucula osawanoensis –
 * † Ennucula praenipponica –
 * † Ennucula sp. –
 * † Entelodon –
 * † Entelodon gobiensis –
 * † Entodesma –
 * † Entodesma naviculoides –
 * † Enzinopsis –
 * † Enzinopsis menkeana –
 * † Eoclichna –
 * † Eoclichna sp. –
 * † Eocylichna –
 * † Eocylichna braunsi –
 * † Eocylichna multistriata –
 * † Eocylichna takashimensis –
 * † Eodelphinus –
 * † Eodelphinus kabatensis –
 * † Eopleurotoma –
 * † Eopleurotoma higoensis – tentative report
 * † Eopleurotoma higoensis –
 * † Eosardinella –
 * † Eosardinella hishinaiensis –
 * † Epicodakia –
 * † Epicodakia yokoyamai –
 * † Epilobium –
 * † Epilobium sp. –
 * † Epitonium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Epitonium –
 * † Epitonium azumana –
 * † Epitonium lineolatum –
 * † Epitonium okinavensis –
 * † Epitonium replicatum –
 * † Epitonium scalare –
 * † Epitonium sp. –
 * † Epitonium submaculosum –
 * † Epitonium yabei –
 * † Eratoena –
 * † Eratoena nana –
 * † Ergaea –
 * † Ergaea walshi –
 * † Erosaria –
 * † Erosaria caputserpentis –
 * † Erosaria erosa –
 * † Erosaria helvola –
 * † Erronea –
 * † Erronea cincta – or unidentified related form
 * † Erronea sp. –
 * † Eschrichtius –
 * † Eschrichtius robustus –
 * † Eschrichtius sp. –
 * † Ethalia –
 * † Ethalia maxima –
 * † Ethalia subpulchella –
 * † Etrema –
 * † Etrema saplisi –
 * † Eubalaena –
 * † Eubalaena glacialis –
 * † Eubalaena shinshuensis – type locality for species
 * † Eucalliax –
 * † Eucalliax miyazakiensis –
 * † Euchelus –
 * † Euchelus lischkei –
 * † Euchelus ornatissima –
 * † Euchelus sp. –
 * † Euclathurella –
 * † Euclathurella fimbria –
 * † Eucrassatella –
 * † Eucrassatella yabei –
 * † Eudolium –
 * † Eudolium sp. –
 * † Eufenella –
 * † Eufenella pupoides –
 * † Eugomphudus –
 * † Eugomphudus cuspidatus –
 * † Eumetopias –
 * † Eumetopias japonicus –
 * † Eumetopias jubata – or unidentified related form
 * † Eumetopias jubata –
 * † Eumetopias kishidai – type locality for species
 * † Eumetopias ojiyaensis – type locality for species
 * † Eumetopias sp. –
 * † Eunaticina –
 * † Eunaticina papilla –
 * † Euodia –
 * † Euodia rutaecarpa – or unidentified comparable form
 * † Euodia rutaecarpa –
 * † Euphyllia –
 * † Euphyllia ancora –
 * † Euphyllia fimbriata –
 * † Euphyllia sp. –
 * † Euptelea –
 * † Euptelea polyandra – or unidentified comparable form
 * † Eurhinodelphis – tentative report
 * † Eurhinodelphis –
 * † Eurhinodelphis minoensis – type locality for species
 * † Eurhinodelphis minoensis –
 * † Eurhinodelphis pacificus – type locality for species
 * † Eurhinodelphis sp. –
 * † Eurhinodelphis sp. A – informal
 * † Eurhinodelphis sp. B – informal
 * † Eurya –
 * † Eurya sp. –
 * † Eusarcoris –
 * † Eusarcoris shimozukensis – type locality for species
 * † Euscaphis –
 * † Euscaphis japonica – or unidentified comparable form
 * † Eusilpha –
 * † Eusilpha japonica –
 * † Eusilpha sp. –
 * † Euspira – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Euspira –
 * † Euspira aritensis –
 * † Euspira karatsuensis –
 * † Euspira meisensis –
 * † Euspira pallida – or unidentified comparable form
 * † Euspira pila –
 * † Euspira sp. –
 * † Eutrephoceras –
 * † Eutrephoceras izumoensis – type locality for species
 * † Eutrephoceras izumoensis –
 * † Eutrephoceras japonicus – type locality for species
 * † Eutrephoceras japonicus –
 * † Ezocallista –
 * † Ezocallista brevisiphonata –
 * † Ezocallista kurodae –
 * † Ezocallista sp. –
 * † Fabulina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Fabulina –
 * † Fabulina nitidula –
 * † Fabulina sp. –
 * † Fagara –
 * † Fagara sp. –
 * † Fagus –
 * † Fagus crenata –
 * † Fagus japonica –
 * † Fagus microcarpa –
 * † Fagus palaeojaponica –
 * † Fagus sp. –
 * † Fagus stuxbergii – or unidentified comparable form
 * † Fagus stuxbergii –
 * † Fasciolaria –
 * † Fasciolaria trapezium – or unidentified comparable form
 * † Fasciolaria trapezium –
 * † Faujasina – tentative report
 * † Faujasina sp. –
 * † Faunus – tentative report
 * † Faunus –
 * † Faunus miikensis –
 * † Faunus nipponicus –
 * † Faunus sp. –
 * † Favia –
 * † Favia magnistellata –
 * † Favia maritima –
 * † Favia sp. –
 * † Favia spp. –
 * † Favites – tentative report
 * † Favites –
 * † Favites abdita – or unidentified comparable form
 * † Favites abdita – ex gr.
 * † Favites abdita –
 * † Favites chinensis –
 * † Favites complanata – tentative report
 * † Favites flexuosa –
 * † Favites micropentagona –
 * † Favites pentagona –
 * † Favites rotundata –
 * † Favites sp. –
 * † Favites stylifera –
 * † Fedaiella –
 * † Fedaiella neritacea –
 * † Felaniella –
 * † Felaniella confusa –
 * † Feresa –
 * † Feresa attenuata –
 * † Ferganea – tentative report
 * † Ferganea sp. –
 * † Ficus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Ficus –
 * † Ficus intermedia –
 * † Ficus naitoi –
 * † Ficus sp. –
 * † Ficus subintermedia –
 * † Ficus tiliaefolia – or unidentified comparable form
 * † Ficus tiliaefolia –
 * † Fimbria –
 * † Fimbria sp. –
 * † Fissidentalium –
 * † Fissidentalium sp. –
 * † Fissidentalium yokokamai –
 * † Fissidentalium yokoyamai – or unidentified comparable form
 * † Fissidentalium yokoyamai –
 * † Flabellum –
 * † Flabellum distinctum –
 * † Flabellum pavoninum – or unidentified comparable form
 * † Flabellum rubrum –
 * † Flabellum sp. –
 * † Flabellum transversale –
 * † Formica – tentative report
 * † Formica sp. A – informal
 * † Formica sp. B – informal
 * † Fortipecten –
 * † Fortipecten kenyoshiensis –
 * † Fortipecten takahasii –
 * † Fortunearia –
 * † Fortunearia kabutoiwana –
 * † Fortunearia sinensis –
 * † Fragilaria –
 * † Fragilaria sp. –
 * † Fragum –
 * † Fragum alfuricum – or unidentified related form
 * † Fragum fragum –
 * † Fragum sp. –
 * † Fragum unedo –
 * † Fraxinus –
 * † Fraxinus kyamadae – or unidentified related form
 * † Fraxinus miyataensis – or unidentified comparable form
 * † Fraxinus sanzugawaensis –
 * † Fraxinus sp. –
 * † Fulgoraria –
 * † Fulgoraria delicata –
 * † Fulgoraria hirasei – or unidentified related form
 * † Fulgoraria hirasei –
 * † Fulgoraria prevostiana –
 * † Fulgoraria sinziensis –
 * † Fulgoraria sp. –
 * † Fulgoraria striata – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Fulgoraria striata – or unidentified comparable form
 * † Fulgoraria tokunagai – or unidentified comparable form
 * † Fulgoraria totomiensis –
 * † Fulvia –
 * † Fulvia mutica –
 * † Fulvia sp. –
 * † Fungia –
 * † Fungia fungites – or unidentified comparable form
 * † Fungia granulosa – or unidentified comparable form
 * † Fungia paumotensis – or unidentified comparable form
 * † Fungia scutaria –
 * † Fungia sp. –
 * † Fungiacyathus –
 * † Fungiacyathus fragilis –
 * † Fungiacyathus palifera –
 * † Fungiacyathus symmetricus –
 * † Fusimitra –
 * † Fusimitra loochooensis –
 * † Fusinus – tentative report
 * † Fusinus – or unidentified comparable form
 * † Fusinus –
 * † Fusinus colus – or unidentified comparable form
 * † Fusinus gracillinus –
 * † Fusinus nicobaricus –
 * † Fusinus nodosoplicatus – or unidentified comparable form
 * † Fusinus perplexus –
 * † Fusinus pyrulatus –
 * † Fusinus simplex –
 * † Fusinus sp. –
 * † Fusisyrinx –
 * † Fusisyrinx sp. –
 * † Gadila –
 * † Gadila sp. –
 * † Gafrarium –
 * † Gafrarium divaricatum –
 * † Gafrarium scriptum –
 * † Galaxea –
 * † Galaxea astreata –
 * † Galaxea fascicularis – tentative report
 * † Galaxea fascicularis –
 * † Galaxea horrescens –
 * † Galaxea sp. –
 * † Galeoastraea –
 * † Galeoastraea sp. –
 * † Galeocerdo –
 * † Galeocerdo aduncus –
 * † Galeocerdo sp. –
 * † Galeorhinus –
 * † Galeorhinus affinis –
 * † Galeorhinus sp. –
 * † Galeus –
 * † Galeus sp. –
 * † Gardineroseris –
 * † Gardineroseris planulata –
 * † Gari –
 * † Gari truncata –
 * † Gastrochaena –
 * † Gastrochaena grandis –
 * † Gastrochaena sp. –
 * † Gastrolina –
 * † Gastrolina peltoidea – tentative report
 * † Gavia –
 * † Gavia stellata –
 * † Gemmula – tentative report
 * † Gemmula –
 * † Gemmula asukana – or unidentified related form
 * † Gemmula granosa – or unidentified comparable form
 * † Gemmula granosa –
 * † Gemmula ina –
 * † Gemmula indica – or unidentified comparable form
 * † Gemmula okinavensis –
 * † Gemmula sp. – type locality for species
 * † Gemmula sp. –
 * † Gemmula totomiensis –
 * † Geoemyda –
 * † Geoemyda takasago –
 * † Geotrupes –
 * † Geotrupes sp. –
 * † Gibbolucina –
 * † Gibbolucina sp. –
 * † Ginebis –
 * † Ginebis osawanoensis –
 * † Ginkgo –
 * † Ginkgo adiantoides –
 * † Giraffa –
 * † Giraffa nipponica –
 * † Glans –
 * † Glans sp. –
 * † Glaphyrocysta –
 * † Glaphyrocysta intricata – or unidentified comparable form
 * † Glaphyrocysta pastielsii –
 * † Gleditsia –
 * † Gleditsia miosinensis –
 * † Gleditsia onodaensis –
 * † Glirulus –
 * † Glirulus japonicus –
 * † Globicephala –
 * † Globicephala macrorhynchus – type locality for species
 * † Globicephala macrorhynchus –
 * † Globicephala sp. –
 * † Globigerina –
 * † Globigerina sp. –
 * † Globigerinoides –
 * † Globigerinoides ruber –
 * † Globobulimina –
 * † Globobulimina ezoensis –
 * † Globorotalia –
 * † Globorotalia sp. –
 * † Globularia –
 * † Globularia nakamurai – or unidentified comparable form
 * † Globularia nakamurai –
 * † Gloripallium –
 * † Gloripallium crassivenium –
 * † Gloripallium pallium –
 * † Glycimeris –
 * † Glycimeris yamasakii –
 * † Glycymeris –
 * † Glycymeris albolineata –
 * † Glycymeris altoumbonata – or unidentified comparable form
 * † Glycymeris cisshuensis – or unidentified comparable form
 * † Glycymeris cisshuensis –
 * † Glycymeris decussata –
 * † Glycymeris hanzawai – type locality for species
 * † Glycymeris idensis –
 * † Glycymeris minoensis – or unidentified comparable form
 * † Glycymeris minoensis –
 * † Glycymeris nipponica –
 * † Glycymeris reevei –
 * † Glycymeris rotunda –
 * † Glycymeris sp. –
 * † Glycymeris subpectiniformis – type locality for species
 * † Glycymeris vestita – or unidentified comparable form
 * † Glycymeris vestita –
 * † Glycymeris yessoensis –
 * † Glyphostoma –
 * † Glyphostoma costicrenata –
 * † Glyphostoma subcosticrenata –
 * † Glyptophium –
 * † Glyptophium litheus –
 * † Glyptostobus –
 * † Glyptostobus pensilis –
 * † Glyptostrobus –
 * † Glyptostrobus europaeus –
 * † Glyptostrobus pensilis –
 * † Gnathoncus –
 * † Gnathoncus sp. –
 * † Gomphina –
 * † Gomphina neastartoides –
 * † Goniastrea –
 * † Goniastrea edwardsi –
 * † Goniastrea favulus –
 * † Goniastrea parvistella –
 * † Goniastrea pectinata – or unidentified comparable form
 * † Goniastrea pectinata –
 * † Goniastrea retiformis –
 * † Goniastrea sp. –
 * † Goniastrea stelligera –
 * † Goniopora –
 * † Goniopora lobata –
 * † Goniopora minor –
 * † Goniopora polyformis –
 * † Goniopora sp. –
 * † Goniopora stutchburyi –
 * † Gonostoma –
 * † Gonostoma sp. –
 * † Grammatophora –
 * † Grammatophora marinara –
 * † Grampus –
 * † Grampus griseus –
 * † Granulifusus –
 * † Granulifusus niponicus –
 * † Granuliterebra –
 * † Granuliterebra bathyraphe –
 * † Graptopsaltria –
 * † Graptopsaltria inaba – type locality for species
 * † Graptopsaltria sp. –
 * † Guildfordia –
 * † Guildfordia yoca –
 * † Gyatermes –
 * † Gyatermes naganoensis – type locality for species
 * † Gyrineum –
 * † Gyrineum minoensis –
 * † Gyrineum osawanoensis –
 * † Gyrineum sp. –
 * † Gyrinus –
 * † Gyrinus sp. –
 * † Gyrodes – tentative report
 * † Gyrodes sp. –
 * † Gyroidina –
 * † Gyroidina orbicularis –
 * † Gyroidina sp. –
 * † Haborophocoena – type locality for genus
 * † Haborophocoena –
 * † Haborophocoena minutus – type locality for species
 * † Haborophocoena toyoshimai – type locality for species
 * † Haborophocoena toyoshimai –
 * † Hadecardium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Hadecardium ogurai –
 * † Halesia –
 * † Halesia sp. –
 * † Haliaeetus –
 * † Haliaeetus pelagicus – or unidentified comparable form
 * † Halice –
 * † Halice sp. –
 * † Halimeda –
 * † Halimeda sp. –
 * † Haliotis –
 * † Haliotis diversicolor – or unidentified comparable form
 * † Haliotis gigantea –
 * † Haliotis japonicum –
 * † Hanzawaia –
 * † Hanzawaia nipponica –
 * † Haplophragmoides –
 * † Haplophragmoides spp. –
 * † Haplophragmoides umbilicatus –
 * † Hartungia –
 * † Hartungia elegans – type locality for species
 * † Hartungia elegans –
 * † Hartungia japonica –
 * † Hataiella –
 * † Hataiella sagai – or unidentified comparable form
 * † Haumea –
 * † Haumea inaequivalvis – or unidentified related form
 * † Haumea inaequivalvis –
 * † Haustellum –
 * † Haustellum bonneti – or unidentified comparable form
 * † Hedecardium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Hedecardium ogurai –
 * † Heliacus –
 * † Heliacus dorsuosus – or unidentified comparable form
 * † Heliacus sp. –
 * † Heliconoides –
 * † Heliconoides hospes –
 * † Heliconoides inflata –
 * † Heliocopris –
 * † Heliocopris antiquus – type locality for species
 * † Heliopora –
 * † Heliopora coerulea –
 * † Heliopora sp. –
 * † Hemipristis –
 * † Hemipristis serra –
 * † Hemithiris –
 * † Hemithiris psitacea –
 * † Heptacodium –
 * † Heptacodium hokianum –
 * † Heptranchias –
 * † Heptranchias sp. –
 * † Herpetocetus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Herpetocetus –
 * † Herpetocetus sendaicus –
 * † Herpetocetus sp. –
 * † Hespererato –
 * † Hespererato scabriuscula –
 * † Hestina –
 * † Hestina japonica –
 * † Heterocyathus –
 * † Heterocyathus aequicostatus –
 * † Heterocyathus japonicus –
 * † Heterodontus –
 * † Heterodontus sp. –
 * † Heteropsammia –
 * † Heteropsammia ovalis – or unidentified comparable form
 * † Heteropsammia ovalis –
 * † Hexanchus –
 * † Hexanchus gigas –
 * † Hexanchus serratissimus –
 * † Hexanchus sp. –
 * † Hexapus –
 * † Hexapus nakajimai –
 * † Hiatella –
 * † Hiatella arctica –
 * † Hiatella orientalis –
 * † Hiatula –
 * † Hiatula minoensis – or unidentified comparable form
 * † Hiatula minoensis –
 * † Hiatula sp. –
 * † Hibacetus – type locality for genus
 * † Hibacetus hirosei – type locality for species
 * † Higotherium – type locality for genus
 * † Higotherium hypsodon – type locality for species
 * † Hindsia –
 * † Hindsia magnifica –
 * † Hindsia okinavia –
 * † Hindsia takabanarensis –
 * † Hindsia whitmorei –
 * † Hipponix –
 * † Hipponix conicus –
 * † Hipponix foliaceus –
 * † Hipponix lissus – or unidentified comparable form
 * † Hippopus –
 * † Hippopus hippopus –
 * † Hirtomurex –
 * † Hirtomurex shimajiriensis –
 * † Hirtomurex sp. –
 * † Hister –
 * † Hister simplicisternus –
 * † Hodotermopsis –
 * † Hodotermopsis iwatensis – type locality for species
 * † Hokkaidornis – type locality for genus
 * † Hokkaidornis abashiriensis – type locality for species
 * † Homalopoma –
 * † Homalopoma aumussitatum –
 * † Homalopoma sangarensis – or unidentified comparable form
 * † Homalopoma sp. –
 * † Homolopsis –
 * † Homolopsis japonicus – type locality for species
 * † Howella –
 * † Howella sp. –
 * † Hubertschenckia –
 * † Hubertschenckia ezoensis –
 * † Hyalinea –
 * † Hyalinea balthica –
 * † Hyalodiscus –
 * † Hyalodiscus obsoletus –
 * † Hyas –
 * † Hyas tsuchidai –
 * † Hydnophora –
 * † Hydnophora exesa –
 * † Hydnophora microconos –
 * † Hydnophora sp. –
 * † Hydrangea –
 * † Hydrangea petiolaris – or unidentified comparable form
 * † Hydrangea sp. –
 * † Hydrochara –
 * † Hydrochara libera –
 * † Hydrochara sp. –
 * † Hydrodamalis –
 * † Hydrodamalis cuestae –
 * † Hydrodamalis gigas –
 * † Hydrodamalis sp. –
 * † Hydrolithon –
 * † Hydrolithon onkodes –
 * † Hydrophilus –
 * † Hydrophilus sp. –
 * † Hyla –
 * † Hyla japonica –
 * † Hyopsodus –
 * † Hyopsodus sp. nov. A – informal
 * † Hyopsodus sp. nov. B – informal
 * † Hyotissa –
 * † Hyotissa hyotis –
 * † Hyotissa imbricata –
 * † Hyrachyus – or unidentified comparable form
 * † Hyrachyus sp. –
 * † Hyriopsis –
 * † Hyriopsis mabutii –
 * † Ichthyococcus –
 * † Ichthyococcus sp. –
 * † Idiocetus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Idiocetus tsugarensis –
 * † Ilex – or unidentified comparable form
 * † Ilex –
 * † Ilex nagatoensis –
 * † Ilex rotunda –
 * † Ilex serrata – or unidentified comparable form
 * † Ilex sp. –
 * † Ilex subcornuta –
 * † Illicium – tentative report
 * † Illicium –
 * † Illicium religiosum –
 * † Illicium sp. –
 * † Ilybius – tentative report
 * † Ilybius –
 * † Ilybius apicalis – tentative report
 * † Ilybius sp. –
 * † Imaizumila –
 * † Imaizumila sexdentata –
 * † Indocrassatella –
 * † Indocrassatella tenuilirata –
 * † Indopacetus –
 * † Indopacetus pacificus –
 * † Inella –
 * † Inella incisa –
 * † Inquisitor – tentative report
 * † Inquisitor –
 * † Inquisitor cosibensis –
 * † Inquisitor jeffreysi –
 * † Inquisitor jeffreysii –
 * † Inquisitor kurodae –
 * † Inquisitor shibanoi –
 * † Inquisitor sp. –
 * † Inquisitor totomiensis –
 * † Irus –
 * † Irus macrophyllus –
 * † Isanacetus – type locality for genus
 * † Isanacetus –
 * † Isanacetus laticephalus – type locality for species
 * † Isanacetus laticephalus –
 * † Isectolophus –
 * † Isectolophus sp. nov. – informal
 * † Isognomon – tentative report
 * † Isognomon –
 * † Isognomon hataii –
 * † Isognomon linguaeformis –
 * † Isognomon sp. –
 * † Isognomon tomiyasui –
 * † Isopora –
 * † Isopora crateriformis – tentative report
 * † Isopora palifera – or unidentified comparable form
 * † Isopora palifera –
 * † Isurus – tentative report
 * † Isurus –
 * † Isurus benedeni –
 * † Isurus desori –
 * † Isurus haslalis –
 * † Isurus oxyrinchus –
 * † Isurus paucus –
 * † Isurus planus –
 * † Isurus retroflexus –
 * † Isurus sp. –
 * † Ithycythara –
 * † Ithycythara sp. –
 * † Itoigawaia –
 * † Itoigawaia minoensis –
 * † Izuus – type locality for genus
 * † Izuus nakamurai – type locality for species
 * † Jania –
 * † Jania mayei –
 * † Janiopsis –
 * † Janiopsis hirasei –
 * † Janthina –
 * † Janthina typica –
 * † Japelion –
 * † Japelion pericochlion –
 * † Joannisiella – tentative report
 * † Joannisiella –
 * † Joannisiella meisensis –
 * † Joannisiella problematica –
 * † Joannisiella sp. –
 * † Joumocetus – type locality for genus
 * † Joumocetus shimizui – type locality for species
 * † Juglans –
 * † Juglans cinerea –
 * † Juglans japonica –
 * † Juglans megaceneria –
 * † Juglans sp. –
 * † Kalopanax –
 * † Kalopanax sp. –
 * † Kelletia –
 * † Kelletia sp. –
 * † Kelletia subspadicea –
 * † Kellia –
 * † Kellia minutissima – or unidentified related form
 * † Kentriodon –
 * † Kentriodon hobetsu – type locality for species
 * † Kentriodon sp. –
 * † Keteleeria –
 * † Keteleeria ezoana –
 * † Keteleeria sp. –
 * † Kiimetra – type locality for genus
 * † Kiimetra miocenica – type locality for species
 * † Kikaiarca –
 * † Kikaiarca kikaizimana – type locality for species
 * † Koelreuteria – tentative report
 * † Koelreuteria –
 * † Koelreuteria miointegrifoliola –
 * † Koelreuteria sp. –
 * † Kogia –
 * † Kogia breviceps –
 * † Kogia prisca –
 * † Konosirus –
 * † Konosirus sp. –
 * † Kotorapecten –
 * † Kotorapecten kagamianus –
 * † Kuhlia –
 * † Kuhlia sp. –
 * † Kuphus –
 * † Kuphus sp. –
 * † Lachryma –
 * † Lachryma gallinacea –
 * † Lacuna –
 * † Lacuna sp. –
 * † Laevicardium – tentative report
 * † Laevicardium –
 * † Laevicardium angustum –
 * † Laevicardium biradiatum – or unidentified comparable form
 * † Laevicardium biradiatum –
 * † Laevicardium elongatum – or unidentified comparable form
 * † Laevicardium shiobarense – or unidentified comparable form
 * † Laevicardium shiobarense –
 * † Laevicardium sp. –
 * † Laevicardium unicolor –
 * † Laevichlamys –
 * † Laevichlamys irregularis –
 * † Laevidentalium –
 * † Laevidentalium sp. –
 * † Laeviscala –
 * † Laeviscala angusta –
 * † Lagenodelphis –
 * † Lagenodelphis hosei –
 * † Lagenorhynchus –
 * † Lagenorhynchus obliquidens –
 * † Lamellastraea – tentative report
 * † Lamellastraea sp. –
 * † Lamna –
 * † Lamna ditropis –
 * † Lamna sp. –
 * † Lampadena –
 * † Lampadena nanae –
 * † Lampadena sp. –
 * † Lampanyctus –
 * † Lampanyctus sp. –
 * † Lanceolaria –
 * † Lanceolaria pisciformis –
 * † Larus –
 * † Larus sp. –
 * † Lastrea –
 * † Lastrea sp. –
 * † Lateolabrax –
 * † Lateolabrax japonicus –
 * † Latiaxis –
 * † Latiaxis deburghiae –
 * † Latiaxis mawae –
 * † Latiaxis tosanus –
 * † Latirulus –
 * † Latirulus cracticulatis – or unidentified comparable form
 * † Latirulus cracticulatus – or unidentified comparable form
 * † Latirus –
 * † Latirus polygonus – or unidentified comparable form
 * † Latirus polygonus –
 * † Latirus sp. –
 * † Laurentiella –
 * † Laurentiella imaizumii –
 * † Leguminosites –
 * † Leguminosites sp. –
 * † Leguminosites spp. –
 * † Leiognathus –
 * † Leiognathus tottari –
 * † Lenticulina –
 * † Lenticulina calcar –
 * † Lenticulina fukushimaensis – type locality for species
 * † Lenticulina totomiensis –
 * † Lentidium – tentative report
 * † Lentidium –
 * † Lentidium kyushuense – tentative report
 * † Lentidium kyushuense –
 * † Lepeta –
 * † Lepeta lima – or unidentified comparable form
 * † Lepidion –
 * † Lepidion miocenica –
 * † Lepidobalanus –
 * † Lepidobalanus sp. –
 * † Lepidocyclina –
 * † Lepidocyclina sp. –
 * † Lepidodesma –
 * † Lepidodesma septemtrionale –
 * † Lepidozona –
 * † Lepidozona sp. –
 * † Leptastrea – tentative report
 * † Leptastrea –
 * † Leptastrea bewickensis – or unidentified related form
 * † Leptastrea pruinosa – ex gr.
 * † Leptastrea purpurea –
 * † Leptastrea sp. –
 * † Leptastrea transversa –
 * † Leptoconchus –
 * † Leptoconchus rostratus –
 * † Lepton –
 * † Lepton subrotundum –
 * † Leptoria – tentative report
 * † Leptoria –
 * † Leptoria phrygia –
 * † Leptoria sp. –
 * † Leptoseris –
 * † Leptoseris amitoriensis –
 * † Leptoseris explanata –
 * † Leptoseris hawaiiensis –
 * † Leptoseris mycetoseroides –
 * † Leptoseris papyracea –
 * † Leptoseris scabra –
 * † Leptoseris solida – tentative report
 * † Leptoseris sp. –
 * † Leptoseris yabei – ex gr.
 * † Leptoseris yabei –
 * † Lepus – or unidentified comparable form
 * † Lepus sp. –
 * † Lespedeza –
 * † Lespedeza sp. –
 * † Lespedeza tatsumitogeana –
 * † Letepsammia –
 * † Letepsammia formosissima –
 * † Leucoma –
 * † Leucoma sp. –
 * † Leucorhynchia – tentative report
 * † Leucorhynchia sp. –
 * † Leucosia –
 * † Leucosia anatum –
 * † Leucosia haematosticta –
 * † Leucosia sp. –
 * † Leucosia takamii –
 * † Leucosyrinx –
 * † Leucosyrinx iwaensis –
 * † Leucothoe – tentative report
 * † Leucothoe sp. –
 * † Leucotina –
 * † Leucotina dianae –
 * † Leucotina sp. –
 * † Leukoma –
 * † Leukoma itoigawae –
 * † Leukoma iwakianus –
 * † Leukoma jedoensis –
 * † Leukoma sp. –
 * † Leukoma tateiwai – or unidentified comparable form
 * † Leukoma tateiwai –
 * † Lienardia –
 * † Lienardia subauriformis –
 * † Ligustrum – tentative report
 * † Ligustrum –
 * † Ligustrum oblongatum –
 * † Ligustrum sp. –
 * † Lima –
 * † Lima amaxensis – type locality for species
 * † Lima amaxensis –
 * † Lima fragilis –
 * † Lima kawakitai –
 * † Lima kumasoana –
 * † Lima lima –
 * † Lima limopsis – type locality for species
 * † Lima nishiyamai –
 * † Lima sowerbyi –
 * † Lima sp. –
 * † Limacina –
 * † Limacina conica –
 * † Limacina karasawai –
 * † Limacina peronii –
 * † Limacina sp. –
 * † Limaria –
 * † Limaria hakodatense –
 * † Limatula –
 * † Limatula bullata –
 * † Limatula jacksonensis –
 * † Limatula japonica –
 * † Limatula sp. –
 * † Limatula vladivostokensis – or unidentified comparable form
 * † Limatula vladivostokensis –
 * † Limnobaris – tentative report
 * † Limnobaris –
 * † Limnobaris sp. –
 * † Limopsis – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Limopsis –
 * † Limopsis adamsiana –
 * † Limopsis azumana –
 * † Limopsis crenata –
 * † Limopsis cumingii –
 * † Limopsis osawanoensis – or unidentified comparable form
 * † Limopsis skinoshitai –
 * † Limopsis sp. – informal
 * † Limopsis sp. –
 * † Limopsis tajimae – or unidentified comparable form
 * † Limopsis tajimae –
 * † Limopsis tokaiensis –
 * † Limopsis woodwardi –
 * † Linaeidea –
 * † Linaeidea aenea – tentative report
 * † Linatella –
 * † Linatella caudata –
 * † Lindera –
 * † Lindera erythrocarpa – or unidentified comparable form
 * † Lindera glauca – or unidentified comparable form
 * † Lindera miyataensis – or unidentified comparable form
 * † Lindera miyataensis –
 * † Lindera paraobtusiloba –
 * † Lindera protostrychnifolia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Linthia –
 * † Linthia sp. –
 * † Linuparus –
 * † Linuparus puncticulosus –
 * † Lioconcha – tentative report
 * † Lioconcha –
 * † Lioconcha lorenziana –
 * † Lioconcha sp. –
 * † Lioglyphostoma –
 * † Lioglyphostoma chinenensis –
 * † Lioglyphostoma tenuata –
 * † Liotia –
 * † Liotia sp. –
 * † Liotina –
 * † Liotina discoidea –
 * † Liotina pseudodiscoidea – type locality for species
 * † Liquidambar –
 * † Liquidambar formosa –
 * † Liquidambar formosana –
 * † Liquidambar japonica –
 * † Liquidambar miosinica –
 * † Liquidambar protopalmata –
 * † Liquidambar sp. –
 * † Liquidamber –
 * † Liquidamber sp. –
 * † Lirabuccinum –
 * † Lirabuccinum sp. –
 * † Liracassis –
 * † Liracassis japonica –
 * † Liracassis sp. –
 * † Liriodendron –
 * † Liriodendron honsyuensis –
 * † Liroa –
 * † Liroa paupercula –
 * † Lischkeia –
 * † Lischkeia monilifera – or unidentified related form
 * † Lischkeia sp. –
 * † Lishkeia –
 * † Lishkeia sp. –
 * † Lissodelphis –
 * † Lissodelphis borealis –
 * † Lithophaga –
 * † Lithophaga nasuta –
 * † Lithophaga sp. –
 * † Lithophaga zitteliana – or unidentified comparable form
 * † Lithophyllon – tentative report
 * † Lithophyllon –
 * † Lithophyllon sp. –
 * † Lithophyllon undulatum –
 * † Lithophyllum –
 * † Lithophyllum insidum –
 * † Lithophyllum pfenderae – or unidentified comparable form
 * † Lithophyllum sp. D – informal
 * † Lithoporella –
 * † Lithoporella melobesioides –
 * † Lithoporella minus –
 * † Lithothamnion –
 * † Lithothamnion abrardi – or unidentified comparable form
 * † Lithothamnion andrusovi – or unidentified comparable form
 * † Lithothamnion bofllli – or unidentified comparable form
 * † Lithothamnion crispithallus –
 * † Lithothamnion cymbicrusta –
 * † Lithothamnion faurai –
 * † Lithothamnion ishigakiensis –
 * † Lithothamnion marianae –
 * † Lithothamnion ovatum – or unidentified comparable form
 * † Lithothamnion ramosissimus –
 * † Lithothamnion tagpotchaense – or unidentified comparable form
 * † Lithothamnium –
 * † Lithothamnium moreti – or unidentified comparable form
 * † Litsea –
 * † Litsea onodaensis –
 * † Littoraria –
 * † Littoraria miodelicatula –
 * † Littorina –
 * † Littorina brevicula –
 * † Littorina mandchnrica –
 * † Littorina sp. –
 * † Lixus –
 * † Lixus sp. –
 * † Llquidambar –
 * † Llquidambar formosana –
 * † Lobophyllia –
 * † Lobophyllia corymbosa –
 * † Lobophyllia flabelliformis – tentative report
 * † Lobophyllia hataii –
 * † Lobophyllia hemprichii –
 * † Lobophyllia robusta –
 * † Lobophyllia sp. –
 * † Lonicera –
 * † Lonicera sp. –
 * † Loochooia –
 * † Loochooia hanzawai –
 * † Lophiotoma –
 * † Lophiotoma leucotropis – or unidentified comparable form
 * † Lophiotoma leucotropis –
 * † Lophiotoma leuctropis – or unidentified comparable form
 * † Lophiotoma marmorata –
 * † Lottia –
 * † Lottia cassis –
 * † Lucina – tentative report
 * † Lucina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Lucina –
 * † Lucina sp. –
 * † Lucina stearnsiana –
 * † Lucinoma – tentative report
 * † Lucinoma –
 * † Lucinoma acutilineata – or unidentified related form
 * † Lucinoma acutilineata – or unidentified comparable form
 * † Lucinoma acutilineata –
 * † Lucinoma annulatum – or unidentified comparable form
 * † Lucinoma annulatum –
 * † Lucinoma borealis –
 * † Lucinoma nagaoi –
 * † Lucinoma sp. –
 * † Lucinoma uetanii –
 * † Lunatia – tentative report
 * † Lunatia –
 * † Lunatia utoensis – tentative report
 * † Lunatia utoensis –
 * † Lupocyclus –
 * † Lupocyclus tuberculosus –
 * † Luprops –
 * † Luprops sp. –
 * † Lutralia –
 * † Lutralia maxima – or unidentified comparable form
 * † Lutraria –
 * † Lutraria maxima –
 * † Lutraria osawanoensis –
 * † Lutraria sieboldi –
 * † Lychnis –
 * † Lychnis sp. –
 * † Lyncina –
 * † Lyncina arenosa – or unidentified comparable form
 * † Lyncina carneola – or unidentified comparable form
 * † Lyncina vitellus –
 * † Lyonia – tentative report
 * † Lyonia sp. –
 * † Lyreidus –
 * † Lyreidus sp. –
 * † Lyria –
 * † Lyria hanzawai –
 * † Lyria hirugaensis – or unidentified related form
 * † Lyria mizuhonica –
 * † Lyria rex –
 * † Maackia –
 * † Maackia sp. –
 * † Maackia tanaii –
 * † Macaca –
 * † Macaca fuscata –
 * † Machilis –
 * † Machilis shiobarensis – type locality for species
 * † Machilus –
 * † Machilus nathorsti –
 * † Machilus protojaponicus – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Machilus ubensis –
 * † Macoma – tentative report
 * † Macoma –
 * † Macoma aomoriensis –
 * † Macoma atsunaiensis –
 * † Macoma calcarea –
 * † Macoma incongrua – or unidentified comparable form
 * † Macoma incongrua –
 * † Macoma izurensis –
 * † Macoma nagaoi –
 * † Macoma nipponica – or unidentified comparable form
 * † Macoma nipponica –
 * † Macoma optiva –
 * † Macoma praetexta –
 * † Macoma sectior –
 * † Macoma sejugata –
 * † Macoma shiratoriensis –
 * † Macoma sp. – informal
 * † Macoma sp. –
 * † Macoma tokyoense – or unidentified comparable form
 * † Macoma tokyoensis – or unidentified comparable form
 * † Macoma tokyoensis –
 * † Macoma yataiensis –
 * † Macrocallista –
 * † Macrocallista hanzawai –
 * † Macrocallista matsuraensis – or unidentified comparable form
 * † Macrocallista pacifica –
 * † Macrocheira –
 * † Macrocheira ginzanensis –
 * † Macrocheira sp. –
 * † Macrocheira yabei –
 * † Macromia –
 * † Macromia amphigena –
 * † Macrophthalmus –
 * † Macrophthalmus granulosus –
 * † Macrophthalmus latreillei –
 * † Macrophthalmus viai –
 * † Macropthalmus –
 * † Macropthalmus viai –
 * † Mactra – tentative report
 * † Mactra –
 * † Mactra sp. –
 * † Mactra sulcataria –
 * † Mactra veneriformis –
 * † Mactromeris –
 * † Mactromeris equilateralis –
 * † Mactromeris grayana –
 * † Mactromeris onnechiuria –
 * † Mactromeris polynyma – or unidentified comparable form
 * † Mactromeris polynyma –
 * † Mactromeris sorachiensis –
 * † Madrepora –
 * † Madrepora mitsukurii – type locality for species
 * † Maesa –
 * † Maesa nipponica –
 * † Magilus –
 * † Magilus antiquus –
 * † Magilus sp. –
 * † Magnolia –
 * † Magnolia obovata – or unidentified comparable form
 * † Magnolia sp. –
 * † Makiyama –
 * † Makiyama chitanii –
 * † Makiyamaia – tentative report
 * † Makiyamaia –
 * † Makiyamaia coreancia –
 * † Makiyamaia coreanica – tentative report
 * † Makiyamaia coreanica –
 * † Makiyamaia sp. –
 * † Makiyamia –
 * † Makiyamia coreanica –
 * † Malakichthys –
 * † Malakichthys sp. –
 * † Malletia –
 * † Malletia inaequilateralis –
 * † Malletia inequilateralis –
 * † Malletia inermis –
 * † Malletia poronaica –
 * † Malletia sp. –
 * † Malleus –
 * † Malleus regulus –
 * † Malleus regumen –
 * † Mallotus – tentative report
 * † Mallotus –
 * † Mallotus japonicus –
 * † Mallotus sp. –
 * † Malus –
 * † Malus sp. –
 * † Mammilla –
 * † Mammilla insignis –
 * † Mammilla kurodai –
 * † Mammilla melanostoma – or unidentified related form
 * † Mammilla melanostoma –
 * † Mammilla sp. –
 * † Mammuthus –
 * † Mammuthus armeniacus – or unidentified comparable form
 * † Mammuthus paramammonteus – or unidentified comparable form
 * † Mammuthus protomammonteus –
 * † Mammuthus sp. –
 * † Mancalla –
 * † Mancalla sp. –
 * † Mangifera –
 * † Mangifera takashimensis –
 * † Manta –
 * † Manta sp. –
 * † Margarites –
 * † Margarites sinzi –
 * † Marginella –
 * † Marginella cotamago –
 * † Marginella sandwicensis –
 * † Marginella tomuiensis –
 * † Marmorostoma –
 * † Marmorostoma cornuta – or unidentified comparable form
 * † Marmorostoma gemmata –
 * † Martesia –
 * † Martesia sp. –
 * † Martimoilinella –
 * † Martimoilinella compressa –
 * † Mathilda –
 * † Mathilda loochooensis –
 * † Mauicetus – tentative report
 * † Mauicetus –
 * † Mauicetus sp. –
 * † Mauidrillia – tentative report
 * † Mauidrillia kachabaruensis –
 * † Mauremys –
 * † Mauremys mutica – or unidentified comparable form
 * † Mauritia –
 * † Mauritia histrio – or unidentified comparable form
 * † Maurolicus –
 * † Maurolicus sp. –
 * † Mazzalina – tentative report
 * † Mazzalina –
 * † Mazzalina miikensis – tentative report
 * † Mazzalina miikensis –
 * † Mazzalina sp. –
 * † Meandra – tentative report
 * † Meandra sp. –
 * † Meandrina – tentative report
 * † Meandrina –
 * † Meandrina sp. –
 * † Megacardita –
 * † Megacardita ferruginosa –
 * † Megacardita japonica –
 * † Megacardita osawanoensis –
 * † Megacardita sp. –
 * † Megagomphos – type locality for genus
 * † Megagomphos sinanoensis – type locality for species
 * † Megalodytes – or unidentified related form
 * † Megalodytes sp. –
 * † Megaptera – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Megaptera –
 * † Megaptera miocaena – or unidentified related form
 * † Megaptera novaeangliae – or unidentified comparable form
 * † Megaptera novaeangliae –
 * † Megaptera sp. –
 * † Megayoldia –
 * † Megayoldia hayasakai –
 * † Megayoldia japonica –
 * † Megayoldia thraciaeformis –
 * † Megayoldia tokungai –
 * † Megayoldia toyamaensis –
 * † Megayoldia watasei –
 * † Meimuna –
 * † Meimuna protopalifera – type locality for species
 * † Meimuna sp. –
 * † Meiocardia –
 * † Meiocardia moltkiana –
 * † Melanatria –
 * † Melanatria kahoensis – or unidentified comparable form
 * † Melanella –
 * † Melanella thaanumi –
 * † Melanoides – tentative report
 * † Melanoides –
 * † Melanoides otatumei –
 * † Melanoides sp. –
 * † Meliosma –
 * † Meliosma myriantha – or unidentified comparable form
 * † Meliosma oldhami – or unidentified comparable form
 * † Meliosma tenuis – or unidentified comparable form
 * † Melosira –
 * † Melosira albicans –
 * † Melosira sol –
 * † Menyanthes –
 * † Menyanthes trifoliata –
 * † Mercenaria –
 * † Mercenaria chitaniana –
 * † Mercenaria protostimpsoni –
 * † Mercenaria sp. –
 * † Mercenaria stempsoni –
 * † Mercenaria stimpsoni – or unidentified comparable form
 * † Mercenaria stimpsoni –
 * † Mercenaria yiizukai –
 * † Mercenaria yokoyamai –
 * † Meretrix –
 * † Meretrix arugai –
 * † Meretrix hikoshimensis –
 * † Meretrix kyushuensis –
 * † Meretrix lamarckii –
 * † Meretrix minohensis –
 * † Meretrix ninohensis –
 * † Meretrix sp. –
 * † Merulina –
 * † Merulina sp. –
 * † Mesalia –
 * † Mesalia goshourensis –
 * † Mesalia sp. –
 * † Mesalia yessoensis –
 * † Mesophyllum –
 * † Mesophyllum erubescens –
 * † Mesophyllum ishigakiensis –
 * † Mesophyllum rynkyuensis –
 * † Mesophyllum sp. A – informal
 * † Mesophyllum sp. B – informal
 * † Mesophyllum vaughanii –
 * † Mesoplodon –
 * † Mesoplodon ginkgodens – type locality for species
 * † Mesoplodon sp. –
 * † Mesoplodon stejnegeri –
 * † Mesoplodon tumidirostris – type locality for species
 * † Mesoplodon tumidirostris –
 * † Metacervulus – tentative report
 * † Metacervulus astylodon –
 * † Metasequoia –
 * † Metasequoia disticha –
 * † Metasequoia occidentalis –
 * † Metasequoia occidnetalis –
 * † Metasqualodon –
 * † Metasqualodon symmetricus – type locality for species
 * † Metasqualodon symmetricus –
 * † Micantapex – tentative report
 * † Micantapex –
 * † Micantapex luehdorfi –
 * † Micantapex sp. –
 * † Micantapex striatotuberculata –
 * † Micantapex tomuiensis –
 * † Microcirce –
 * † Microcirce dilecta –
 * † Micromussa –
 * † Micromussa amakusensis –
 * † Microtus –
 * † Microtus epiratticeps –
 * † Microtus montebelli –
 * † Microtus sp. –
 * † Mikadotrochus –
 * † Mikadotrochus yoshiwarai – or unidentified comparable form
 * † Millepora –
 * † Millepora exaesa –
 * † Millepora platyphylla – or unidentified comparable form
 * † Milletia –
 * † Milletia sp. –
 * † Mimela –
 * † Mimela testaceipes –
 * † Minohellenus –
 * † Minohellenus macrocheilus –
 * † Minolia – tentative report
 * † Minolia –
 * † Minolia sp. –
 * † Miocenehadra –
 * † Miocenehadra nakamurai –
 * † Miodontiscus – tentative report
 * † Miodontiscus –
 * † Miodontiscus prolongatus –
 * † Miodontiscus sp. –
 * † Miogypsina –
 * † Miogypsina sp. –
 * † Miophocaena – type locality for genus
 * † Miophocaena nishinoi – type locality for species
 * † Miosesarma –
 * † Miosesarma japonicum –
 * † Miralda –
 * † Miralda gemma –
 * † Miralda nishiana –
 * † Miralda sp. 1 – informal
 * † Miralda sp. 2 – informal
 * † Mitra –
 * † Mitra chrysostoma – or unidentified related form
 * † Mitra granatinaeformis – or unidentified comparable form
 * † Mitra hanleyana – or unidentified comparable form
 * † Mitra hirosei –
 * † Mitra ishidae –
 * † Mitra notoensis –
 * † Mitra punticulata –
 * † Mitra sp. –
 * † Mitrella –
 * † Mitrella bicincta –
 * † Mitrella burchardi – or unidentified related form
 * † Mitrella gonzabuensis –
 * † Mitrella sp. –
 * † Mitrella tenuis –
 * † Mitrella varians –
 * † Mitroprifex –
 * † Mitroprifex collinsoni –
 * † Mizuhobaris –
 * † Mizuhobaris izumoensis –
 * † Mizuhopecten – tentative report
 * † Mizuhopecten –
 * † Mizuhopecten imamurai –
 * † Mizuhopecten kimurai – or unidentified comparable form
 * † Mizuhopecten kimurai –
 * † Mizuhopecten kitamiensis – type locality for species
 * † Mizuhopecten matumoriensis –
 * † Mizuhopecten nakatombetsuensis –
 * † Mizuhopecten paraplebejus –
 * † Mizuhopecten poculum –
 * † Mizuhopecten sp. –
 * † Mizuhopecten tokyoensis –
 * † Mizuhopecten yessoensis – or unidentified comparable form
 * † Mizuhopecten yessoensis –
 * † Mizuhopecten yokoyamae –
 * † Mizuhoptera – type locality for genus
 * † Mizuhoptera –
 * † Mizuhoptera fujinensis – type locality for species
 * † Mizuhoptera kanayaensis – type locality for species
 * † Mobula –
 * † Mobula sp. –
 * † Modiolaria –
 * † Modiolaria semigranata –
 * † Modiolus –
 * † Modiolus arakawensis –
 * † Modiolus arkawensis –
 * † Modiolus difficilis –
 * † Modiolus ishikariensis –
 * † Modiolus lagunanus – or unidentified comparable form
 * † Modiolus sp. –
 * † Modiolus traillii –
 * † Modiolus wanizakiensis – or unidentified comparable form
 * † Modulus –
 * † Modulus metcalfei –
 * † Mogera –
 * † Mogera wogura –
 * † Mohnia –
 * † Mohnia sp. –
 * † Mohnia yamani –
 * † Mohnia yanamii –
 * † Molopophorus –
 * † Molopophorus denselineatus –
 * † Monia –
 * † Monia macrochisma –
 * † Monilea –
 * † Monilea belcheri –
 * † Monilea haebaruensis –
 * † Monilea nuclea – or unidentified comparable form
 * † Monodonta –
 * † Monodonta kanzakii –
 * † Monodonta labio –
 * † Monoplex – tentative report
 * † Monoplex –
 * † Monoplex pilearis – or unidentified comparable form
 * † Montastrea –
 * † Montastrea colemani – tentative report
 * † Montastrea felixi – or unidentified comparable form
 * † Montastrea sp. –
 * † Montastrea valenciennesii –
 * † Montastrea versipora – or unidentified related form
 * † Montipora –
 * † Montipora danae –
 * † Montipora digitata – or unidentified comparable form
 * † Montipora informis –
 * † Montipora sp. –
 * † Montipora spp. –
 * † Montipora venosa –
 * † Morawanocetus – type locality for genus
 * † Morawanocetus yabukii – type locality for species
 * † Morum –
 * † Morum cancellatum –
 * † Morum sp. –
 * † Morum subcancellata – or unidentified comparable form
 * † Mucronalia –
 * † Mucronalia exilis –
 * † Murex –
 * † Murex saplisi –
 * † Murex sobrinus –
 * † Murex sp. –
 * † Murex ternispina – or unidentified comparable form
 * † Murex ternispira – or unidentified comparable form
 * † Murina –
 * † Murina silvatica –
 * † Mursia –
 * † Mursia armata –
 * † Mursia minuta –
 * † Mursia sp. –
 * † Mursia takahashii –
 * † Musculista –
 * † Musculista perfragilis –
 * † Musculista senhousia –
 * † Musculus –
 * † Musculus laevigatus –
 * † Musculus neglecta –
 * † Musculus sp. –
 * † Mussa – tentative report
 * † Mussa –
 * † Mussa regalis – or unidentified comparable form
 * † Mussa sp. –
 * † Mustela –
 * † Mustela erminea –
 * † Mustela sibirica –
 * † Mustela sp. –
 * † Mya – tentative report
 * † Mya –
 * † Mya arenaria – or unidentified comparable form
 * † Mya arenaria –
 * † Mya convexa –
 * † Mya cuneiformis –
 * † Mya ezoensis –
 * † Mya grewingki – or unidentified comparable form
 * † Mya grewingki –
 * † Mya salmonensis –
 * † Mya sp. –
 * † Mya truncata –
 * † Myadora –
 * † Myadora japnica –
 * † Myadora japonica –
 * † Myadora reeviana –
 * † Mycedium –
 * † Mycedium sp. –
 * † Myliobatis –
 * † Myliobatis sp. –
 * † Myodes –
 * † Myodes rufocanus –
 * † Myotis –
 * † Myotis sp. –
 * † Myra –
 * † Myra fugax –
 * † Myrica –
 * † Myrica rubra –
 * † Myrica sp. –
 * † Myrica ubensis –
 * † Myriophyllum –
 * † Myriophyllum sp. –
 * † Myrsine –
 * † Myrsine chaneyi –
 * † Myrtea – tentative report
 * † Myrtea sp. –
 * † Mysella –
 * † Mysella japonica –
 * † Mysella sp. 1 – informal
 * † Mysella sp. 2 – informal
 * † Mytilus – tentative report
 * † Mytilus –
 * † Mytilus coruscus –
 * † Mytilus crassitesta – or unidentified comparable form
 * † Mytilus edulis –
 * † Mytilus furanuiensis –
 * † Mytilus grayanus – tentative report
 * † Mytilus grayanus –
 * † Mytilus haboroensis –
 * † Mytilus luciferus – or unidentified comparable form
 * † Mytilus mabuchii –
 * † Mytilus sp. –
 * † Mytilus tichanovitchi –
 * † Nansenia –
 * † Nansenia sp. –
 * † Narona –
 * † Narona nodulifera –
 * † Nassa –
 * † Nassa serta –
 * † Nassarius – tentative report
 * † Nassarius – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Nassarius – or unidentified comparable form
 * † Nassarius –
 * † Nassarius acteon –
 * † Nassarius acutidentatus –
 * † Nassarius caelatus –
 * † Nassarius clathratus –
 * † Nassarius concinnus –
 * † Nassarius dingsi – type locality for species
 * † Nassarius dorsatus – or unidentified comparable form
 * † Nassarius dorsatus –
 * † Nassarius festiva –
 * † Nassarius festivus –
 * † Nassarius fulleri –
 * † Nassarius honoensis –
 * † Nassarius kiiensis – or unidentified comparable form
 * † Nassarius kikaizimanus – type locality for species
 * † Nassarius kometubus –
 * † Nassarius livescens –
 * † Nassarius micans –
 * † Nassarius minoensis –
 * † Nassarius nakamurai –
 * † Nassarius picta – or unidentified comparable form
 * † Nassarius prefestivus –
 * † Nassarius simizui –
 * † Nassarius sp. –
 * † Nassarius sp. A – informal
 * † Nassarius sp. B – informal
 * † Nassarius subbalteatus –
 * † Nassarius variegatus –
 * † Natica – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Natica –
 * † Natica alapapilionis –
 * † Natica gualteriana –
 * † Natica sp. –
 * † Natica stellatus – or unidentified related form
 * † Natica stellatus –
 * † Natica vitellus – or unidentified comparable form
 * † Natica vitellus –
 * † Naticarius –
 * † Naticarius concinnus – or unidentified related form
 * † Naticarius sp. –
 * † Nautilus –
 * † Nautilus pompilius –
 * † Navicula –
 * † Navicula sp. –
 * † Nebrius –
 * † Nebrius delfortriei –
 * † Neculana –
 * † Neculana sp. –
 * † Negaprion –
 * † Negaprion acanthodon –
 * † Negaprion kraussi –
 * † Negaprion sp. –
 * † Neillonella –
 * † Neillonella sp. –
 * † Neilonella –
 * † Neilonella coix –
 * † Neilonella poronaica –
 * † Nekewis –
 * † Nekewis sekii –
 * † Nelumbo –
 * † Nelumbo sp. –
 * † Nematoma –
 * † Nematoma sp. –
 * † Nemocardium –
 * † Nemocardium beckei –
 * † Nemocardium ezaoense –
 * † Nemocardium ezoense –
 * † Nemocardium ezoensis –
 * † Nemocardium samarangae –
 * † Nemocardium sp. –
 * † Nemocardium tristiculum – or unidentified comparable form
 * † Nemocardium yokoyamai –
 * † Nemocardium yokoymai –
 * † Neocallichirus –
 * † Neocallichirus bona –
 * † Neocallichirus grandis –
 * † Neocallichirus sp. –
 * † Neodenticula –
 * † Neodenticula kamtschatica –
 * † Neodenticula koizumii –
 * † Neodenticula sp. –
 * † Neoguraleus –
 * † Neoguraleus kutekinensis –
 * † Neoguraleus loochooensis –
 * † Neohaustator –
 * † Neohaustator nipponica –
 * † Neolitsea –
 * † Neolitsea protoaciculata – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Neolitsea sp. –
 * † Neolitsea ubensis –
 * † Neophocaena –
 * † Neophocaena phocaenoides –
 * † Neopycnodonta –
 * † Neopycnodonta musashiana –
 * † Neoscopelus –
 * † Neoscopelus sp. –
 * † Neotherium – or unidentified comparable form
 * † Neotherium sp. –
 * † Nephrolepidina –
 * † Nephrolepidina japonica –
 * † Neptunea –
 * † Neptunea arthritica – or unidentified comparable form
 * † Neptunea arthritica –
 * † Neptunea constricta – or unidentified comparable form
 * † Neptunea constricta –
 * † Neptunea eos – or unidentified comparable form
 * † Neptunea eos –
 * † Neptunea fukuae –
 * † Neptunea hukusimensis –
 * † Neptunea intersculpta –
 * † Neptunea modestoidea –
 * † Neptunea modestoides –
 * † Neptunea otukai –
 * † Neptunea sp. –
 * † Nerita –
 * † Nerita chamaeleon –
 * † Nerita ishidae – or unidentified comparable form
 * † Nerita ishidae –
 * † Nerita sp. –
 * † Nerita subgranulosa –
 * † Nerita subgranulose –
 * † Nerita undata – or unidentified related form
 * † Netelia – tentative report
 * † Netelia sp. –
 * † Neverita – tentative report
 * † Neverita –
 * † Neverita asagaiensis –
 * † Neverita coticazae – or unidentified comparable form
 * † Neverita coticazae –
 * † Neverita didyma –
 * † Neverita dydyma –
 * † Neverita eocenica –
 * † Neverita hosoyai –
 * † Neverita kiritaniana –
 * † Neverita reinana –
 * † Neverita reiniana –
 * † Neverita sp. –
 * † Neverita vesicalis – or unidentified comparable form
 * † Nihonia –
 * † Nihonia shimajiriensis – type locality for species
 * † Nihonia shimajiriensis –
 * † Ninjadelphis – type locality for genus
 * † Ninjadelphis ujiharai – type locality for species
 * † Nipponomarcia – tentative report
 * † Nipponomarcia –
 * † Nipponomarcia nakamurai –
 * † Nipponomarcia sp. –
 * † Nipponomysella –
 * † Nipponomysella oblongata –
 * † Nipponomysella subtruncata –
 * † Niso – tentative report
 * † Niso –
 * † Niso sp. –
 * † Niso yokoyamai – or unidentified related form
 * † Nitidotellina –
 * † Nitidotellina nitidula –
 * † Nitzschia –
 * † Nitzschia granulata –
 * † Nitzschia grunowii –
 * † Nitzschia sp. –
 * † Nitzshia –
 * † Nitzshia fossilis –
 * † Nitzshia grunowii –
 * † Nitzshia reinholdii –
 * † Noetia – tentative report
 * † Noetia sp. –
 * † Noetiopsis – tentative report
 * † Noetiopsis sp. –
 * † Nonion –
 * † Nonion boueanum – or unidentified comparable form
 * † Nordotis –
 * † Nordotis gigantea –
 * † Notacanthus –
 * † Notacanthus sp. –
 * † Noterus –
 * † Noterus japonicus – tentative report
 * † Notocyathus –
 * † Notocyathus conicus –
 * † Notomeryx – or unidentified comparable form
 * † Notomeryx sp. –
 * † Notostrea –
 * † Notostrea musashiana –
 * † Nucella –
 * † Nucella lamellosa –
 * † Nucella lapillus –
 * † Nucella tokudai – or unidentified comparable form
 * † Nucula – tentative report
 * † Nucula –
 * † Nucula hizenensis –
 * † Nucula omagariensis –
 * † Nucula paulula –
 * † Nucula sp. –
 * † Nuculana –
 * † Nuculana confusa – or unidentified comparable form
 * † Nuculana magarikawaensis –
 * † Nuculana pennula –
 * † Nuculana pernula –
 * † Nuculana radiatelirata –
 * † Nuculana sp. –
 * † Nuculana yokoyamai –
 * † Numaegilina –
 * † Numaegilina gloria –
 * † Numaegilina sp. –
 * † Numataphocoena – type locality for genus
 * † Numataphocoena –
 * † Numataphocoena yamashitai – type locality for species
 * † Numataphocoena yamashitai –
 * † Nuphar –
 * † Nuphar japonicum –
 * † Nuphar sp. –
 * † Nuttalia – tentative report
 * † Nuttalia sp. –
 * † Nuttallia –
 * † Nuttallia olivacea –
 * † Nyctereutes –
 * † Nyctereutes procyonoides –
 * † Nymphoides –
 * † Nymphoides sp. –
 * † Nyssa –
 * † Nyssa sp. –
 * † Nyssa sylvatica –
 * † Obestoma –
 * † Obestoma hanazakiensis –
 * † Obestoma simplex –
 * † Ocenebra – tentative report
 * † Ocenebra –
 * † Ocenebra japonica – or unidentified comparable form
 * † Ocenebra sp. –
 * † Ocinebrellus –
 * † Ocinebrellus aduncus –
 * † Ocinebrellus ogasawarai –
 * † Odobenus –
 * † Odobenus mandanoensis – type locality for species
 * † Odobenus rosmarus –
 * † Odobenus sp. –
 * † Odontaspis –
 * † Odontaspis acutissima –
 * † Odontaspis macrota –
 * † Odontaspis sp. –
 * † Odontaspis volax –
 * † Odontella –
 * † Odontella aurita –
 * † Odostomia –
 * † Odostomia aequisculpta –
 * † Odostomia gouldii –
 * † Odostomia sasagensis – or unidentified comparable form
 * † Odostomia sp. –
 * † Oenopia –
 * † Oenopia hirayamai –
 * † Oenopota –
 * † Oenopota sp. –
 * † Ohuus –
 * † Ohuus kitamurai –
 * † Oligoaeschna –
 * † Oligoaeschna sp. –
 * † Oliva –
 * † Oliva australis – or unidentified related form
 * † Oliva ispidula –
 * † Oliva mustelina –
 * † Oliva mustellina –
 * † Oliva oliva –
 * † Oliva sp. –
 * † Olivella –
 * † Olivella fulgurata – or unidentified related form
 * † Olivella fulgurata – or unidentified comparable form
 * † Olivella fulgurata –
 * † Olivella iwakiensis – or unidentified comparable form
 * † Olivella iwakiensis –
 * † Olivella japonica –
 * † Olivella sp. –
 * † Olivella spreta – or unidentified comparable form
 * † Onthophagus –
 * † Onthophagus lenzii –
 * † Onthophagus sp. –
 * † Onthophagus spp. –
 * † Onustus –
 * † Onustus exutum –
 * † Opalia –
 * † Opalia suzuensis – type locality for species
 * † Operculina –
 * † Operculina complanata –
 * † Operculina sp. –
 * † Ophiodermella –
 * † Ophiodermella miyatensis –
 * † Ophiodermella ogurana –
 * † Ophiodermella pseudopannus –
 * † Ophiodermella sp. –
 * † Orbicella –
 * † Orbicella sp. –
 * † Orbicella spp. –
 * † Orca –
 * † Orca paleorca – type locality for species
 * † Orca paleorca –
 * † Orcinus –
 * † Orcinus orca –
 * † Orcinus sp. –
 * † Orectospira –
 * † Orectospira babelica – or unidentified comparable form
 * † Orectospira gemma –
 * † Orectospira sp. –
 * † Orectospira wadana –
 * † Oriensarctos –
 * † Oriensarctos watasei – type locality for species
 * † Orthaulax – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Orthaulax japonicus –
 * † Orthoyoldia –
 * † Orthoyoldia haboroensis –
 * † Oscilla –
 * † Oscilla circincta –
 * † Oscilla lirata –
 * † Osmunda –
 * † Osmunda japonica – or unidentified comparable form
 * † Osteodontornis –
 * † Osteodontornis sp. –
 * † Ostrea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Ostrea –
 * † Ostrea denselamellosa – or unidentified comparable form
 * † Ostrea denselamellosa –
 * † Ostrea eorivularis –
 * † Ostrea gravitesta –
 * † Ostrea itoigawai –
 * † Ostrea rosacea –
 * † Ostrea sp. –
 * † Ostrya –
 * † Ostrya aizuana –
 * † Ostrya japonica – or unidentified comparable form
 * † Ostrya sp. –
 * † Otodus –
 * † Otodus angustidens –
 * † Otodus megalodon –
 * † Otodus sp. –
 * † Oulangia –
 * † Oulangia stokesiana –
 * † Oulastrea –
 * † Oulastrea crispata –
 * † Oulophyllia –
 * † Oulophyllia bennettae –
 * † Oulophyllia crispa – or unidentified comparable form
 * † Oulophyllia crispa –
 * † Oulophyllia sp. –
 * † Oxyperas –
 * † Oxyperas bernardi – or unidentified related form
 * † Oxyperas bernardi –
 * † Oxyperas sp. –
 * † Oxypora –
 * † Oxypora lacera –
 * † Oxypora sp. –
 * † Ozius –
 * † Ozius collinsi –
 * † Pachycrommium – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Pachycrommium –
 * † Pachycrommium harrisi –
 * † Pachycrommium nagaoi –
 * † Pachyseris –
 * † Pachyseris rugosa – or unidentified comparable form
 * † Pachyseris rugosa –
 * † Pachyseris speciosa –
 * † Padocatactes –
 * † Padocatactes hamifer –
 * † Padocatactes ujiharai –
 * † Pagurus –
 * † Pagurus pectinatus –
 * † Pagurus sp. –
 * † Palaeoloxodon –
 * † Palaeoloxodon naumanni –
 * † Paleoparadoxia – or unidentified comparable form
 * † Paleoparadoxia –
 * † Paleoparadoxia media –
 * † Paleoparadoxia sp. –
 * † Paleoparadoxia tabatai – tentative report
 * † Paleoparadoxia tabatai –
 * † Paliurus –
 * † Paliurus nipponicus –
 * † Paliurus protonipponicus –
 * † Paliurus ubensis –
 * † Palliolum –
 * † Palliolum peckhami –
 * † Palmadusta – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Palmadusta asellus – or unidentified related form
 * † Paludinella –
 * † Paludinella sp. –
 * † Pandora –
 * † Pandora pulchella –
 * † Pandora sp. –
 * † Pandora wardiana –
 * † Panomya –
 * † Panomya simotomensis –
 * † Panopea –
 * † Panopea japonica –
 * † Panopea nomurae –
 * † Panopea sp. –
 * † Panopea tyugokuensis –
 * † Panthera –
 * † Panthera tigris –
 * † Paphia –
 * † Paphia aurabilis –
 * † Paphia exilis – or unidentified comparable form
 * † Paphia exilis –
 * † Paphia naganumana –
 * † Paphia ohiroi –
 * † Paphia philippinarum –
 * † Paphia schnelliana –
 * † Paphia suzuensis – or unidentified comparable form
 * † Paphia takanabensis –
 * † Paphia undulata –
 * † Paphia vernicosa –
 * † Papilio –
 * † Papilio maackii – or unidentified comparable form
 * † Papyridea –
 * † Papyridea harrimani –
 * † Papyridea kurodai –
 * † Parabenzoin –
 * † Parabenzoin cuneata –
 * † Parabenzoin sp. –
 * † Parabenzoin trilobum – or unidentified comparable form
 * † Paracomitas –
 * † Paracomitas rodgersi –
 * † Paradrillia –
 * † Paradrillia inconstans –
 * † Paragalathea –
 * † Paragalathea multisquamata –
 * † Paralia –
 * † Paralia sulcata –
 * † Paralichthys –
 * † Paralichthys yamanai –
 * † Paramormula –
 * † Paramormula sp. –
 * † Paraphaenogaster –
 * † Paraphaenogaster avita – type locality for species
 * † Parapontoporia –
 * † Parapontoporia sp. –
 * † Parastegodon –
 * † Parastegodon akashiensis – type locality for species
 * † Parietobalaena –
 * † Parietobalaena sp. –
 * † Parietobalaena yamaokai – type locality for species
 * † Parietobalaena yamaokai – or unidentified comparable form
 * † Parietobalaena yamaokai –
 * † Pariphiculus –
 * † Pariphiculus inconditus –
 * † Parotodus –
 * † Parotodus benedeni –
 * † Parrotia –
 * † Parrotia sp. –
 * † Parthenocissus – tentative report
 * † Parthenocissus sp. –
 * † Parthenope –
 * † Parthenope sp. –
 * † Parvamussium –
 * † Parvamussium amakusense –
 * † Parvamussium inouei –
 * † Parvilucina –
 * † Parvilucina pisidium –
 * † Pasania –
 * † Pasania matsumotoi –
 * † Patanga – tentative report
 * † Patanga sp. –
 * † Patinopecten –
 * † Patinopecten ibaragiensis –
 * † Patinopecten kagamianus –
 * † Patinopecten kobiyamai –
 * † Patinopecten planicostulatus –
 * † Patinopecten poculum –
 * † Patinopecten tokyoensis –
 * † Patriocetus – tentative report
 * † Patriocetus sp. –
 * † Pavona –
 * † Pavona bipartita –
 * † Pavona clavus – ex gr.
 * † Pavona danai –
 * † Pavona decussata –
 * † Pavona frondifera –
 * † Pavona minuta – tentative report
 * † Pavona minuta –
 * † Pavona sp. –
 * † Pavona spp. –
 * † Pavona varians –
 * † Pavona venosa –
 * † Pavona yamanarii –
 * † Pecten –
 * † Pecten albicans –
 * † Pecten byoritzuensis –
 * † Pecten cmadoritinctus –
 * † Pecten excavatus – or unidentified related form
 * † Pecten fulvicostatus –
 * † Pecten plicus –
 * † Pecten porphyreus –
 * † Pecten sinensis –
 * † Pecten tricarinatus –
 * † Pectinia –
 * † Pectinia ayleni –
 * † Pectinia lactuca –
 * † Pectinia sp. –
 * † Pectunculina –
 * † Pectunculina multistriata –
 * † Pelocetus –
 * † Pelocetus sp. –
 * † Penicillus –
 * † Penicillus ramosus –
 * † Penitella –
 * † Penitella kotakae –
 * † Pentacrinus –
 * † Pentacrinus ariakensis – type locality for species
 * † Pentalagus –
 * † Pentalagus furnessi –
 * † Pentatoma – tentative report
 * † Pentatoma sp. –
 * † Penthetria –
 * † Penthetria togoensis – type locality for species
 * † Peponocephala –
 * † Peponocephala electra –
 * † Peponocyathus –
 * † Peponocyathus australiensis –
 * † Peponocyathus folliculus –
 * † Peponocyathus minimus –
 * † Peponocyathus orientalis –
 * † Periglypta – tentative report
 * † Periglypta –
 * † Periglypta reticulata – or unidentified comparable form
 * † Periglypta reticulata –
 * † Periglypta sp. –
 * † Periploma –
 * † Periploma besshoense –
 * † Periploma besshoensis –
 * † Periploma ezoense –
 * † Periploma mitsuganoense –
 * † Periploma pulchella –
 * † Periploma sp. –
 * † Periploma teshimai –
 * † Periploma yokoyamai –
 * † Peristernia –
 * † Peristernia coreanicus –
 * † Peristernia preluchuana –
 * † Peristernia wagneri –
 * † Perna –
 * † Perna nishiyamai – type locality for species
 * † Peronidea –
 * † Peronidea sp. –
 * † Persea – tentative report
 * † Persea –
 * † Persea sp. –
 * † Persea thunbergii – or unidentified comparable form
 * † Persicarya –
 * † Persicarya sp. –
 * † Petricola –
 * † Petricola lapicida –
 * † Phalacrocorax –
 * † Phalacrocorax filamentosus –
 * † Phalacrocorax pelagicus –
 * † Phalium –
 * † Phalium flammiferum –
 * † Phalium striagtum –
 * † Phalium torquatum –
 * † Phalium yokoyamai –
 * † Phanerolepida –
 * † Phanerolepida rehderi –
 * † Phaneroptera –
 * † Phaneroptera sp. A – informal
 * † Phaneroptera sp. B – informal
 * † Phasianus –
 * † Phasianus sp. –
 * † Phaxas –
 * † Phaxas brevis –
 * † Phenacoptygma –
 * † Phenacoptygma sp. – type locality for species
 * † Philine –
 * † Philine argentata –
 * † Philippia –
 * † Philippia radiata –
 * † Philyra –
 * † Philyra hayasakai –
 * † Philyra miyamotoi –
 * † Philyra plana –
 * † Philyra platychira –
 * † Philyra tanakai –
 * † Philyra tridentata –
 * † Phoca –
 * † Phoca largha – or unidentified comparable form
 * † Phoca vitulina – or unidentified comparable form
 * † Phocoena –
 * † Phocoena phocoena –
 * † Phocoenoides –
 * † Phocoenoides dalli –
 * † Pholadomya –
 * † Pholadomya margaritacea – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Pholadomya margaritacea –
 * † Pholadomya takashimaensis –
 * † Pholadomya takashimensis –
 * † Pholadomya turunagai –
 * † Phos –
 * † Phos iwakianus –
 * † Phos reticosus – or unidentified related form
 * † Phragmites – tentative report
 * † Phragmites sp. –
 * † Phthanoperidinium –
 * † Phthanoperidinium geminatum –
 * † Phthanoperidinium multispinum –
 * † Phyllonotus –
 * † Phyllonotus ashiyaensis –
 * † Phyllopertha – tentative report
 * † Phyllopertha sp. –
 * † Physeter –
 * † Physeter macrocephalus –
 * † Picea –
 * † Picea sp. –
 * † Pictothyris –
 * † Pictothyris hanzawai –
 * † Pictothyris picta –
 * † Pictothyris tanegashimaensis –
 * † Pieris –
 * † Pieris sp. –
 * † Pigulina –
 * † Pigulina sazanami –
 * † Pillucina –
 * † Pillucina pisidium –
 * † Pillucina yokoyamai –
 * † Pinctada –
 * † Pinctada margaritifera –
 * † Pinctada otatumei – tentative report
 * † Pinctada otatumei –
 * † Pinctada perdahurica –
 * † Pinctada sp. –
 * † Pinguigemmla –
 * † Pinguigemmla okinavensis –
 * † Pinguitellina –
 * † Pinguitellina pinguis –
 * † Pinna –
 * † Pinna asakuraensis –
 * † Pinna sp. –
 * † Pinus –
 * † Pinus miocenica –
 * † Pinus sp. –
 * † Pinus trifolia – or unidentified comparable form
 * † Pisania – tentative report
 * † Pisania sp. –
 * † Pitar –
 * † Pitar ashiyaensis –
 * † Pitar hinokumai –
 * † Pitar itoi –
 * † Pitar japonica –
 * † Pitar japonicum –
 * † Pitar kaniei –
 * † Pitar kyushuensis –
 * † Pitar matsumotoi –
 * † Pitar n sp. B – informal
 * † Pitar okadana –
 * † Pitar ozakii – type locality for species
 * † Pitar sannosawaensis –
 * † Pitar semeliformis – or unidentified comparable form
 * † Pitar sorachiensis –
 * † Pitar sp. –
 * † Pitar subpellucida –
 * † Pitar subpellucidum – or unidentified comparable form
 * † Pitar sunakozakaensis –
 * † Pitar takashimaensis –
 * † Pittosporum –
 * † Pittosporum illicioides – or unidentified comparable form
 * † Pittosporum illicioides –
 * † Pittosporum tanaii –
 * † Pittosporum ubense –
 * † Placamen –
 * † Placamen tiara –
 * † Placopecten –
 * † Placopecten promollitus – or unidentified comparable form
 * † Placopecten protomollitus –
 * † Placopecten sp. –
 * † Placopecten todaniensis –
 * † Plagiocardium –
 * † Plagiocardium ishigakensis –
 * † Planostrea –
 * † Planostrea pestigris –
 * † Platambus –
 * † Platambus stygius – tentative report
 * † Platans –
 * † Platans sp. –
 * † Platanus –
 * † Platanus sp. –
 * † Platepistoma –
 * † Platepistoma imamurae –
 * † Platepistoma kaedei –
 * † Plateumaris – tentative report
 * † Plateumaris –
 * † Plateumaris constricticollis – tentative report
 * † Plateumaris constricticollis –
 * † Plateumaris dorsata – type locality for species
 * † Plateumaris dorsata –
 * † Plateumaris kinugasana – type locality for species
 * † Plateumaris sericea –
 * † Plateumaris sp. –
 * † Plateumaris virens – type locality for species
 * † Plateumaris weisei –
 * † Platycarya –
 * † Platycarya hokkaidoana –
 * † Platycarya miocenica –
 * † Platycephalus –
 * † Platycephalus indicus –
 * † Platygyra –
 * † Platygyra contorta –
 * † Platygyra daedalea – ex gr.
 * † Platygyra daedalea –
 * † Platygyra lamellina – or unidentified comparable form
 * † Platygyra lamellina –
 * † Platygyra pini –
 * † Platygyra ryukyuensis –
 * † Platygyra sinensis –
 * † Platygyra sp. –
 * † Platygyra stricta – or unidentified comparable form
 * † Platyodon –
 * † Platyodon nipponica –
 * † Plecia –
 * † Plecia intima – type locality for species
 * † Plecia kanetakii – type locality for species
 * † Plecoglossus –
 * † Plecoglossus altivelis –
 * † Plecotus –
 * † Plecotus auritus –
 * † Pleioblastus –
 * † Pleioblastus sp. –
 * † Plenasium –
 * † Plenasium lignitum –
 * † Plesiastrea – tentative report
 * † Plesiastrea –
 * † Plesiastrea versipora – tentative report
 * † Plesiastrea versipora –
 * † Plesiocolopirus –
 * † Plesiocolopirus grangeri – type locality for species
 * † Plesiocolopirus grangeri –
 * † Plesiocolopirus kushiroensis – type locality for species
 * † Pleurotomella – tentative report
 * † Pleurotomella ryukyuensis –
 * † Plicatula –
 * † Plicatula australis –
 * † Plicatula irregularis –
 * † Pliconacca –
 * † Pliconacca atricapilla –
 * † Pliconacca nomii –
 * † Plotopterum –
 * † Plotopterum sp. –
 * † Pocillopora –
 * † Pocillopora damicornis –
 * † Pocillopora eydouxi –
 * † Pocillopora sp. –
 * † Pocillopora verrucosa –
 * † Pocillopora woodjonesi –
 * † Podiceps –
 * † Podiceps sp. –
 * † Podocarpus –
 * † Podocarpus eocenica –
 * † Podocarpus lancifolius –
 * † Pododesmus –
 * † Pododesmus noharai – type locality for species
 * † Pododesmus noharai –
 * † Pododesmus radiata –
 * † Pododesmus radiatus –
 * † Pododesmus sp. –
 * † Pododesmus umbonata –
 * † Podophthalmus –
 * † Podophthalmus vigil –
 * † Polinices –
 * † Polinices albumen – or unidentified comparable form
 * † Polinices albumen –
 * † Polinices candidissimus –
 * † Polinices columnaris –
 * † Polinices cumingianus – or unidentified comparable form
 * † Polinices cumingianus –
 * † Polinices flemingianus –
 * † Polinices mammilla – or unidentified comparable form
 * † Polinices nagahamai – tentative report
 * † Polinices nagahamai –
 * † Polinices sagamiensis –
 * † Polinices sp. –
 * † Polites –
 * † Polites sp. –
 * † Polygonum –
 * † Polygonum sp. –
 * † Polyipnus –
 * † Polyipnus sp. –
 * † Polymesoda –
 * † Polymesoda hokkaidoensis –
 * † Polymesoda stachi – or unidentified comparable form
 * † Polymesoda stachi –
 * † Polymesoda takaoi – tentative report
 * † Polymesoda takaoi – or unidentified comparable form
 * † Polymesoda takaoi –
 * † Polymesoda yamanei –
 * † Polymetme –
 * † Polymetme sp. –
 * † Polymixia –
 * † Polymixia sp. –
 * † Populus –
 * † Populus hokiensis –
 * † Populus kobayashii –
 * † Populus sanzugawaensis –
 * † Porites –
 * † Porites australiaensis –
 * † Porites bernardi – or unidentified comparable form
 * † Porites cylindrica – or unidentified comparable form
 * † Porites cylindrica –
 * † Porites hawaiiensis –
 * † Porites heronensis –
 * † Porites lichen –
 * † Porites lobata –
 * † Porites lutea –
 * † Porites murrayensis –
 * † Porites rus –
 * † Porites sp. –
 * † Porites sp. (Encrusting) – informal
 * † Porites sp. 1 – informal
 * † Porites sp. 2 – informal
 * † Porites sp. 3 – informal
 * † Porites spp. –
 * † Porites spp. (Encrusting) – informal
 * † Porterius –
 * † Porterius dalli –
 * † Portlandia – tentative report
 * † Portlandia –
 * † Portlandia gratiosa –
 * † Portlandia hayasakai –
 * † Portlandia iwatensis –
 * † Portlandia kakimii –
 * † Portlandia laudabilis –
 * † Portlandia ogasawarai –
 * † Portlandia ovata –
 * † Portlandia sp. –
 * † Portlandia thraciaeformis –
 * † Portlandia watasei –
 * † Posocarpus –
 * † Posocarpus eocenica –
 * † Potamides –
 * † Potamides huzitai – type locality for species
 * † Potamogeton –
 * † Potamogeton sp. –
 * † Priscofusus –
 * † Priscofusus ishijimai –
 * † Pristiophorus –
 * † Pristiophorus japonicus –
 * † Pristiophorus sp. –
 * † Pristis –
 * † Pristis sp. –
 * † Probebela –
 * † Probebela yokoyamai –
 * † Proboscia –
 * † Proboscia barboi –
 * † Profundinassa –
 * † Profundinassa babylonica –
 * † Promanetllum –
 * † Promanetllum orientale –
 * † Propeamussium –
 * † Propeamussium sp. –
 * † Propeamussium tateiwai –
 * † Propebela –
 * † Propebela sp. –
 * † Propebela yokoyamai –
 * † Proterato –
 * † Proterato minoensis –
 * † Protodobenus – type locality for genus
 * † Protodobenus japonicus – type locality for species
 * † Protorotella –
 * † Protorotella sp. –
 * † Prototaria – type locality for genus
 * † Prototaria –
 * † Prototaria planicephala – type locality for species
 * † Prototaria primigena – type locality for species
 * † Protothaca –
 * † Protothaca jedoensis –
 * † Provanna –
 * † Provanna sp. –
 * † Prunus –
 * † Prunus apetala – or unidentified comparable form
 * † Prunus protossiori –
 * † Prunus sp. –
 * † Psammacola –
 * † Psammacola kazusensis –
 * † Psammacoma –
 * † Psammacoma kazusensis –
 * † Psammocora – tentative report
 * † Psammocora –
 * † Psammocora paponica – type locality for species
 * † Psammocora profundacella –
 * † Psammocora sp. –
 * † Psammocora superficialis –
 * † Psammotreta –
 * † Psammotreta praerupta –
 * † Pseudamiantis –
 * † Pseudamiantis pinguis – tentative report
 * † Pseudamiantis pinguis –
 * † Pseudamiantis tauyensis – or unidentified comparable form
 * † Pseudamiantis tauyensis –
 * † Pseudocarcharias –
 * † Pseudocarcharias sp. –
 * † Pseudochama –
 * † Pseudochama retroversa –
 * † Pseudogrammatodon –
 * † Pseudogrammatodon dalli –
 * † Pseudogrammatodon pacificus – type locality for species
 * † Pseudoinquisitor – tentative report
 * † Pseudoinquisitor pulchra – or unidentified comparable form
 * † Pseudolarix –
 * † Pseudolarix japonica –
 * † Pseudolarix kaempferi –
 * † Pseudolarix sp. –
 * † Pseudolatirus –
 * † Pseudolatirus yonabaruensis –
 * † Pseudoliotia –
 * † Pseudoliotia motobuensis –
 * † Pseudoliotia pulchella –
 * † Pseudoliva –
 * † Pseudoliva japonica –
 * † Pseudoneptunea – tentative report
 * † Pseudoneptunea –
 * † Pseudoneptunea sp. –
 * † Pseudopodosira –
 * † Pseudopodosira elegans –
 * † Pseudoraphiotoma –
 * † Pseudoraphiotoma crudelis – or unidentified related form
 * † Pseudoraphitoma –
 * † Pseudoraphitoma gracilenta –
 * † Pseudorca –
 * † Pseudorca crassidens –
 * † Pseudorca yokoyamai – type locality for species
 * † Pseudorca yokoyamai –
 * † Pseudorotalia –
 * † Pseudorotalia gaimardii –
 * † Pseudostralium –
 * † Pseudostralium hemicus – or unidentified comparable form
 * † Pseudotaria – type locality for genus
 * † Pseudotaria muramotoi – type locality for species
 * † Pseudotrema –
 * † Pseudotrema fortilirata –
 * † Pseudotsuga –
 * † Pseudotsuga sp. –
 * † Pseudotsuga tanaii –
 * † Pteria –
 * † Pteria coturnix – or unidentified comparable form
 * † Pteria loveni –
 * † Pterocarya –
 * † Pterocarya asymmetrosa –
 * † Pterocarya protostenoptera –
 * † Pterocarya sp. –
 * † Pteromys –
 * † Pteromys sp. –
 * † Pterophocaena – type locality for genus
 * † Pterophocaena nishinoi – type locality for species
 * † Pterostichus –
 * † Pterostichus planicollis – or unidentified comparable form
 * † Pterostichus sp. –
 * † Pterothrissus –
 * † Pterothrissus sp. –
 * † Pueraria –
 * † Pueraria miothunbergiana –
 * † Puffinus –
 * † Puffinus griseus –
 * † Pugilina –
 * † Pugilina mimasakaensis –
 * † Pugilina sazanami –
 * † Pulsellum –
 * † Pulsellum sp. –
 * † Punctoterebra –
 * † Punctoterebra sp. –
 * † Puncturella –
 * † Puncturella fastigiata –
 * † Puncturella nobilis –
 * † Pupa –
 * † Pupa sp. –
 * † Purpura –
 * † Purpura davigera –
 * † Purpura luteostoma –
 * † Purpuradusta –
 * † Purpuradusta fimbriata –
 * † Purpuradusta gracilis –
 * † Pustularia –
 * † Pustularia cicercula – or unidentified comparable form
 * † Pycnodonte –
 * † Pycnodonte cassis –
 * † Pygmaeorota –
 * † Pygmaeorota cingulifera –
 * † Pygmaeorota duplicata –
 * † Pynodonte –
 * † Pynodonte cassis –
 * † Pyrazus –
 * † Pyrazus miyajimai –
 * † Pyrene –
 * † Pyrene flava – or unidentified related form
 * † Pyrene ligula – or unidentified related form
 * † Pyrene liocyma –
 * † Pyrene pardalina –
 * † Pyrene sp. –
 * † Pyrunculus –
 * † Pyrunculus phialus –
 * † Pyrunculus tokyoensis –
 * † Pyrus –
 * † Pyrus hokiensis –
 * † Pyxidicula –
 * † Pyxidicula zabelinae –
 * † Quercus –
 * † Quercus acutissima –
 * † Quercus glauca – or unidentified related form
 * † Quercus miocrispula –
 * † Quercus miovariabilis –
 * † Quercus protoacuta –
 * † Quercus protoaliena –
 * † Quercus protosalicina –
 * † Quercus protoserrata –
 * † Quercus sinomiocenicum –
 * † Quercus sp. –
 * † Quercus stenophylla –
 * † Raeta –
 * † Raeta pulchella –
 * † Raja –
 * † Raja sp. –
 * † Rana –
 * † Rana nigromaculata –
 * † Rana ornativentris –
 * † Rana rugosa –
 * † Rana sp. –
 * † Randallia –
 * † Randallia saitoensis –
 * † Rapana – tentative report
 * † Rapana –
 * † Rapana bezoar –
 * † Rapana sp. –
 * † Rapana thomasiana –
 * † Rapana thomsoni – or unidentified comparable form
 * † Rapana venosa –
 * † Raphitoma –
 * † Raphitoma granulidecussata – type locality for species
 * † Raphoneis –
 * † Raphoneis ischaboensis – or unidentified comparable form
 * † Raphoneis sp. –
 * † Rattus –
 * † Rattus legata – or unidentified comparable form
 * † Rattus norvegicus –
 * † Rectiplanes –
 * † Rectiplanes motojimai –
 * † Rectiplanes sanctiioannis –
 * † Rectiplanes sp. –
 * † Rectobolivina –
 * † Rectobolivina bifrons –
 * † Rectobolivina raphana –
 * † Regimbartia –
 * † Regimbartia attenuata – tentative report
 * † Reticunassa –
 * † Reticunassa acutidentata –
 * † Reticunassa japonica –
 * † Reticunassa sp. –
 * † Retusa –
 * † Retusa concentrica –
 * † Retusa minima –
 * † Retusa sp. –
 * † Retusa succincta –
 * † Rhacophorus –
 * † Rhacophorus schlegelii –
 * † Rhamnus –
 * † Rhamnus sp. –
 * † Rhantus –
 * † Rhantus sp. –
 * † Rhinoclavis – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Rhinoclavis –
 * † Rhinoclavis ancisa –
 * † Rhinoclavis ancisum –
 * † Rhinoclavis kobelti –
 * † Rhinoclavis sp. –
 * † Rhinoclavis turritum –
 * † Rhinolophus –
 * † Rhinolophus ferrumequinum –
 * † Rhinoptera –
 * † Rhinoptera sp. –
 * † Rhizorus –
 * † Rhizorus radiolus –
 * † Rhizosolenia –
 * † Rhizosolenia hebetata – or unidentified comparable form
 * † Rhizosolenia sp. –
 * † Rhododendron –
 * † Rhododendron hokiense –
 * † Rhododendron protodilatatum –
 * † Rhododendron sp. –
 * † Rhus –
 * † Rhus miojavanica –
 * † Rhus miosuccedanea –
 * † Rhus sp. –
 * † Rhynchobatus –
 * † Rhynchobatus sp. –
 * † Rhyzohorimurex –
 * † Rhyzohorimurex capuchinus – or unidentified comparable form
 * † Rhyzohorimurex sp. –
 * † Rimella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Rimella sp. –
 * † Ringicula –
 * † Ringicula caron –
 * † Ringicula musashinoensis –
 * † Ringicula niinoi – or unidentified related form
 * † Ringicula shimaensis –
 * † Ringicula yokoyamai –
 * † Rissoina –
 * † Rissoina naomiae –
 * † Rissoina plicata –
 * † Robaia –
 * † Robaia robai –
 * † Romaleon –
 * † Romaleon sanbonsugii –
 * † Ropellaria –
 * † Ropellaria grandis –
 * † Rosa – tentative report
 * † Rosa –
 * † Rosa sp. –
 * † Rosa usyuensis –
 * † Rostellaria –
 * † Rostellaria sp. –
 * † Royella –
 * † Royella sinon –
 * † Ruditapes –
 * † Ruditapes philippinarum –
 * † Ruditapes variegata –
 * † Rumex – tentative report
 * † Rumex sp. –
 * † Sabal –
 * † Sabal chinensis –
 * † Sabal shinensis –
 * † Sabia –
 * † Sabia japonica –
 * † Saccella – tentative report
 * † Saccella –
 * † Saccella confusa –
 * † Saccella gordonis –
 * † Saccella miensis – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Saccella nagaoi –
 * † Saccella saikaiensis –
 * † Saccella sematensis –
 * † Saccella sp. –
 * † Saccostrea –
 * † Saccostrea sp. –
 * † Sachalinocetus – or unidentified related form
 * † Sachalinocetus sp. –
 * † Saitamapsetta –
 * † Saitamapsetta nomurai –
 * † Salix –
 * † Salix akitaensis –
 * † Salix hokkaidoensis –
 * † Salix integra – or unidentified comparable form
 * † Salix ksuzukii –
 * † Salix misaotatewakii –
 * † Salix muraii –
 * † Salix parasachalinensis –
 * † Salix sp. –
 * † Salix subfragilis – or unidentified comparable form
 * † Salvinia –
 * † Salvinia natans – or unidentified comparable form
 * † Salvinia natans –
 * † Sandalolitha –
 * † Sandalolitha robusta –
 * † Sanguinolaria –
 * † Sanguinolaria equideclivis –
 * † Sapindus – tentative report
 * † Sapindus –
 * † Sapindus sp. –
 * † Sapindus tanaii –
 * † Sapium –
 * † Sapium hokianum –
 * † Sapium sp. –
 * † Saracenaria – tentative report
 * † Saracenaria sp. –
 * † Sardinella –
 * † Sardinella sp. –
 * † Sardinops –
 * † Sardinops sp. –
 * † Sassafras –
 * † Sassafras sp. –
 * † Saxidomus – tentative report
 * † Saxidomus –
 * † Saxidomus purpurata –
 * † Saxidomus purpuratus –
 * † Saxidomus sp. –
 * † Saxolucina –
 * † Saxolucina khataii –
 * † Scaldicetus – or unidentified comparable form
 * † Scaldicetus sp. –
 * † Scaliola –
 * † Scaliola bella –
 * † Scaliola glareosa –
 * † Scaphander – tentative report
 * † Scaphander –
 * † Scaphander sp. –
 * † Scapharca –
 * † Scapharca broughtoni –
 * † Scapharca castellata –
 * † Scapharca cornea –
 * † Scapharca kakehataensis –
 * † Scapharca ommaensis –
 * † Scapharca satowi –
 * † Scapharca setoensis –
 * † Scapharca sp. –
 * † Scapharca subcrenata –
 * † Scapharca suzukii – or unidentified comparable form
 * † Scapharca suzukii –
 * † Scaphechinus –
 * † Scaphechinus mirabilis –
 * † Schizophragma –
 * † Schizophragma sp. –
 * † Sciadopitys –
 * † Sciadopitys sp. –
 * † Sciadopitys verticillata –
 * † Sciara –
 * † Sciara sp. –
 * † Scintilla –
 * † Scintilla thoracica –
 * † Scissurella –
 * † Scissurella staminea –
 * † Scomber –
 * † Scomber sp. –
 * † Scomberoides –
 * † Scomberoides maruoi –
 * † Scomberomorus –
 * † Scomberomorus sp. –
 * † Scombrolabrax –
 * † Scombrolabrax sp. –
 * † Scyliorhinus –
 * † Scyliorhinus kasenoi –
 * † Scylla –
 * † Scylla ozawai –
 * † Scylla serrata –
 * † Scylla sp. –
 * † Searlesia –
 * † Searlesia kurodai –
 * † Searlesia modesta –
 * † Searlesia sp. –
 * † Sebastes –
 * † Sebastes sp. –
 * † Sebastolobus –
 * † Sebastolobus sp. –
 * † Selaginella – tentative report
 * † Selaginella sp. –
 * † Semelangulus –
 * † Semelangulus miyatensis –
 * Semele
 * † Semele zebuensis –
 * † Semicassis –
 * † Semicassis bisulcata –
 * † Semicassis kanmonensis –
 * † Semicassis sp. –
 * † Semisulcospira –
 * † Semisulcospira fiscina –
 * † Septifer –
 * † Septifer bilocularis –
 * † Septifer excisus –
 * † Septifer sp. – tentative report
 * † Septifer sp. –
 * † Sequoia –
 * † Sequoia affinis –
 * † Sequoia sempervirens –
 * † Sequoia sp. –
 * † Seriatopora –
 * † Seriatopora hystrix –
 * † Seriatopora sp. –
 * † Serpulorbis –
 * † Serpulorbis imbricatus –
 * † Serpulorbis sp. –
 * † Serripes –
 * † Serripes groenlandicus –
 * † Serripes laperousi – or unidentified comparable form
 * † Serripes laperousii – or unidentified related form
 * † Serripes laperousii –
 * † Serripes sp. –
 * † Sesarma –
 * † Sesarma sp. –
 * † Shako –
 * † Shako tomidai –
 * † Shiriyanetta – type locality for genus
 * † Shiriyanetta –
 * † Shiriyanetta hasegawai – type locality for species
 * † Shiriyanetta hasegawai –
 * † Sideroxylon –
 * † Sideroxylon salicites –
 * † Siliqua –
 * † Siliqua elliptica –
 * † Siliqua sp. –
 * † Sinanodelphis – type locality for genus
 * † Sinanodelphis izumidaensis – type locality for species
 * † Sinomegaceros – tentative report
 * † Sinomegaceros –
 * † Sinomegaceros sp. –
 * † Sinomegaceros yabei –
 * † Sinum –
 * † Sinum ineptum –
 * † Sinum javanus –
 * † Sinum sp. –
 * † Sinusicola –
 * † Sinusicola yendoi –
 * † Siphonalia – tentative report
 * † Siphonalia – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Siphonalia –
 * † Siphonalia asakuraensis –
 * † Siphonalia cassidariaeformis – or unidentified related form
 * † Siphonalia cassidariaeformis –
 * † Siphonalia dainitiensis – or unidentified related form
 * † Siphonalia ishikariensis –
 * † Siphonalia kannoi –
 * † Siphonalia kikaigashimana –
 * † Siphonalia laddi –
 * † Siphonalia longicanalis – type locality for species
 * † Siphonalia mikado – or unidentified related form
 * † Siphonalia mikado –
 * † Siphonalia sakakurai –
 * † Siphonalia shojii –
 * † Siphonalia signa –
 * † Siphonalia sp. –
 * † Siphonalia spadicea – or unidentified comparable form
 * † Siphonalia yonabaruensis –
 * † Siphonodentalium –
 * † Siphonodentalium sp. –
 * † Siratoria –
 * † Siratoria microsiratori – or unidentified comparable form
 * † Siratoria siratoriensis –
 * † Skenea –
 * † Skenea planorboides –
 * † Skolithos –
 * † Skolithos sp. –
 * † Smilax –
 * † Smilax hokkaidoensis – or unidentified related form
 * † Smilax trinervis –
 * † Solamen –
 * † Solamen sp. –
 * † Solamen subfornicatum –
 * † Solariella – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Solariella albalitus –
 * † Solariella shimajiriensis –
 * † Solecurtus –
 * † Solecurtus divaricatus – or unidentified comparable form
 * † Solecurtus divaricatus –
 * † Solemya –
 * † Solemya sp. –
 * † Solen –
 * † Solen connectens –
 * † Solen gordonis –
 * † Solen gouldi – or unidentified comparable form
 * † Solen gouldii –
 * † Solen grandis –
 * † Solen krusenstearni – or unidentified comparable form
 * † Solen krusensterni – or unidentified comparable form
 * † Solen krusensterni –
 * † Solen sp. –
 * † Solen type locality for species – informal
 * † Solena –
 * † Solena hataii –
 * † Solena nagaoi –
 * † Solena sp. –
 * † Solenopsis – tentative report
 * † Solenopsis sp. –
 * † Soletellina – tentative report
 * † Soletellina –
 * † Soletellina diphos –
 * † Soletellina minoensis –
 * † Soletellina otatsumei –
 * † Soletellina shimogawarai –
 * † Soletellina sp. –
 * † Solidicorbula –
 * † Solidicorbula erythrodon –
 * † Solidicorbula nisataiensis –
 * † Solidicorbula succincta – or unidentified comparable form
 * † Solidicorbula succincta –
 * † Solidula –
 * † Solidula strigosa –
 * † Solivomer –
 * † Solivomer sp. –
 * † Sophora – tentative report
 * † Sophora –
 * † Sophora hokiana –
 * † Sophora miojaponica –
 * † Sophora sp. –
 * † Sophora spatulata –
 * † Sorbus –
 * † Sorbus hokiensis –
 * † Sorbus lesquereuxi –
 * † Sorbus palaeojaponica –
 * † Sorbus uzenensis –
 * † Sorex –
 * † Sorex shinto –
 * † Spergo –
 * † Spergo fusus –
 * † Spheniscosomus –
 * † Spheniscosomus cribricollis –
 * † Sphyrna –
 * † Sphyrna sp. –
 * † Sphyrna zygaena –
 * † Spiniferites – tentative report
 * † Spiniferites sp. –
 * † Spiraea –
 * † Spiraea protothunbergii –
 * † Spirotropis –
 * † Spirotropis contraria –
 * † Spirotropis sadoensis –
 * † Spisula –
 * † Spisula asperaeformis – type locality for species
 * † Spisula ezodensata –
 * † Spisula haboroensis –
 * † Spisula onnechiuria –
 * † Spisula sachalinensis –
 * † Spisula sorachiensis –
 * † Spisula sp. –
 * † Splendrillia –
 * † Splendrillia atsutaensis –
 * † Splendrillia incompta –
 * † Splendrillia nomurai –
 * † Spondylus –
 * † Spondylus anacanthus –
 * † Spondylus candidus – or unidentified comparable form
 * † Spondylus cruentus –
 * † Spondylus lima –
 * † Spondylus nicobaricus –
 * † Spondylus regius –
 * † Spondylus sp. –
 * † Spondylus virgineus –
 * † Spongites –
 * † Spongites sp. –
 * † Squalodon –
 * † Squalodon sp. –
 * † Squalus –
 * † Squalus seniculus –
 * † Squalus serriculus –
 * † Squalus sp. –
 * † Squatina –
 * † Squatina sp. –
 * † Staphylaea –
 * † Staphylaea limacina – or unidentified comparable form
 * † Staphylaea nucleus –
 * † Staphylea –
 * † Staphylea bumalda – or unidentified comparable form
 * † Staphylea sp. –
 * † Stegodon –
 * † Stegodon aurorae –
 * † Stegodon elephantoides –
 * † Stegodon miensis –
 * † Stegolophodon –
 * † Stegolophodon miyokoae – type locality for species
 * † Stegolophodon pseudolatidens –
 * † Stellaria –
 * † Stellaria sp. –
 * † Stenella –
 * † Stenella longirostris –
 * † Stenella sp. –
 * † Steneofiber –
 * † Steneofiber sp. –
 * † Steno –
 * † Steno bredanensis –
 * † Stephanocyathus –
 * † Stephanocyathus spiniger –
 * † Stephanophyllia –
 * † Stephanophyllia fungulus –
 * † Stephanophyllia japonica –
 * † Stephanopyxis –
 * † Stephanopyxis dimorpha –
 * † Stephanopyxis horidus –
 * † Stephanopyxis sp. –
 * † Stephanopyxis turris –
 * † Sternolophus –
 * † Sternolophus rufipes – tentative report
 * † Stewartia –
 * † Stewartia hokiana –
 * † Stewartia submonadelpha –
 * † Stichocorys –
 * † Stichocorys delmontensis –
 * † Stigopupa –
 * † Stigopupa hiyoshiensis – or unidentified comparable form
 * † Stilostomella –
 * † Stilostomella ketienziensis –
 * † Stolotermes – tentative report
 * † Stolotermes amanoi – type locality for species
 * † Stomatella –
 * † Stomatella articulata –
 * † Stomatella lyrata – or unidentified comparable form
 * † Stomatella lyrata –
 * † Streptochetus –
 * † Streptochetus paeteliana –
 * † Streptochetus paetelianus –
 * † Striarca – tentative report
 * † Striarca –
 * † Striarca elongata – type locality for species
 * † Striarca interplicata –
 * † Striarca oyamai –
 * † Striarca sp. –
 * † Striarca tenebrica –
 * † Striarca uetsukiensis –
 * † Striatolamia –
 * † Striatolamia sp. –
 * † Strigopupa –
 * † Strigopupa strigosa –
 * † Striotdentalium –
 * † Striotdentalium rhabdotum – or unidentified comparable form
 * † Strioterebrum –
 * † Strioterebrum bathyraphe –
 * † Strioterebrum lischkeana –
 * † Strombus – tentative report
 * † Strombus –
 * † Strombus gibberulus – or unidentified related form
 * † Strombus japonicum –
 * † Strombus luhuanus –
 * † Strombus niasense – or unidentified comparable form
 * † Strombus sp. –
 * † Strombus thersites –
 * † Strombus tridentatus – or unidentified comparable form
 * † Strombus vittatus – or unidentified comparable form
 * † Strombus vittatus –
 * † Strombus vomer – or unidentified comparable form
 * † Stylocoeniella –
 * † Stylocoeniella guentheri –
 * † Stylocoeniella sp. –
 * † Stylophora –
 * † Stylophora pistillata – tentative report
 * † Stylophora pistillata – or unidentified comparable form
 * † Stylophora pistillata –
 * † Stylophora sp. –
 * † Styrax –
 * † Styrax japonica – or unidentified comparable form
 * † Styrax japonica –
 * † Styrax protoobassia –
 * † Styrax rugosa –
 * † Styrax sp. –
 * † Suavodrillia –
 * † Suavodrillia declivis –
 * † Suavodrillia sp. –
 * † Suchium –
 * † Suchium suchiense –
 * † Sula –
 * † Sula sp. –
 * † Sulcobuccinum –
 * † Sulcobuccinum sp. –
 * † Sulcogladius –
 * † Sulcogladius powisi –
 * † Sulcoretusa –
 * † Sulcoretusa minima –
 * † Sulcoturbilla –
 * † Sulcoturbilla quantoana –
 * † Sunetta –
 * † Sunetta menstualis –
 * † Sunetta sp. –
 * † Surculites –
 * † Surculites cryptoconoides –
 * † Surculites osawanoensis –
 * † Sycostoma – tentative report
 * † Sycostoma –
 * † Sycostoma sp. – tentative report
 * † Sycostoma sp. –
 * † Sydaphera –
 * † Sydaphera sp. –
 * † Sydaphera spengleriana –
 * † Symphyllia – tentative report
 * † Symphyllia –
 * † Symphyllia cactus – or unidentified comparable form
 * † Symphyllia radians –
 * † Symphyllia recta – or unidentified comparable form
 * † Symphyllia recta –
 * † Symphyllia sp. –
 * † Symplocos –
 * † Symplocos coreana – or unidentified comparable form
 * † Symplocos glauca –
 * † Symplocos prunifolia –
 * † Symplocos sp. –
 * † Synthliboramphus –
 * † Synthliboramphus antiquus –
 * † Synuchus –
 * † Synuchus sp. –
 * † Syringa – tentative report
 * † Syringa –
 * † Syringa pekinensis – or unidentified comparable form
 * † Syringa sp. –
 * † Syrnola –
 * † Syrnola kurumana – or unidentified related form
 * † Syrnola sp. –
 * † Syrnola subsinctella –
 * † Syrnola titizimana – or unidentified related form
 * † Syzygium –
 * † Syzygium chaneyi –
 * † Taiwania –
 * † Taiwania japonica –
 * † Talostolida –
 * † Talostolida teres –
 * † Talparia –
 * † Talparia nahaensis – type locality for species
 * † Tanea –
 * † Tanea undulata –
 * † Tapes – tentative report
 * † Tapes –
 * † Tapes japonica –
 * † Tapes nagahamai –
 * † Tapes philippinarum –
 * † Tapes sp. –
 * † Tateiwaia –
 * † Tateiwaia sp. –
 * † Tateiwaia tateiwai –
 * † Tateiwaia yamanarii –
 * † Taxodium –
 * † Taxodium dubium –
 * † Tectonatica –
 * † Tectonatica adamsiana –
 * † Tectonatica sp. –
 * † Tectus –
 * † Tectus conus –
 * † Tectus japonicus – or unidentified comparable form
 * † Tectus japonicus –
 * † Tectus niloticus –
 * † Tegula –
 * † Tegula rustica –
 * † Tegula sp. –
 * † Telescopium –
 * † Telescopium schencki – or unidentified comparable form
 * † Telescopium schencki –
 * † Teliocrinus –
 * † Teliocrinus springeri –
 * † Tellina – tentative report
 * † Tellina – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Tellina –
 * † Tellina kikaizimana – type locality for species
 * † Tellina lubrica –
 * † Tellina matumotoi –
 * † Tellina maximus –
 * † Tellina notoensis –
 * † Tellina protovenulosa – or unidentified comparable form
 * † Tellina protovenulosa –
 * † Tellina sp. – tentative report
 * † Tellina sp. –
 * † Tellina sumaensis – type locality for species
 * † Tellina tmatumotoi –
 * † Tellina tricarinata –
 * † Tellina zyonoensis – or unidentified comparable form
 * † Tellina zyonoensis –
 * † Tenagodus –
 * † Tenagodus anguina –
 * † Tenagodus cumingii –
 * † Teramachia –
 * † Teramachia shinzatoensis –
 * † Terebra –
 * † Terebra amabilis – or unidentified related form
 * † Terebra anomala – or unidentified related form
 * † Terebra formosana – or unidentified related form
 * † Terebra hanzawai – type locality for species
 * † Terebra loebbeckiana –
 * † Terebra miyarensis –
 * † Terebra orthoplicata – type locality for species
 * † Terebra pereoa –
 * † Terebra pretiosa –
 * † Terebra shimajiriensis –
 * † Terebra sp. –
 * † Terebra straminea – or unidentified comparable form
 * † Terebra subulata –
 * † Terebra torquata – or unidentified related form
 * † Terebra torquata –
 * † Terebra triseriata –
 * † Terebralia – tentative report
 * † Terebralia –
 * † Terebralia gourmyi –
 * † Terebralia itogawai – or unidentified comparable form
 * † Terebralia itoigawai – type locality for species
 * † Terebralia kakiensis – type locality for species
 * † Terebralia kannoi –
 * † Terebralia palustris –
 * † Terebralia sp. –
 * † Terebratalia –
 * † Terebratalia gouldii –
 * † Terebratalia tenuis –
 * † Terebratula –
 * † Terebratula miikensis – type locality for species
 * † Terebratula sp. –
 * † Terebratulina –
 * † Terebratulina sp. –
 * † Teredo – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Teredo –
 * † Teredo sp. –
 * † Ternstroemia –
 * † Ternstroemia setoi –
 * † Terpandrus – tentative report
 * † Terpandrus ikiensis – type locality for species
 * † Terpnosia –
 * † Terpnosia vacua – or unidentified related form
 * † Testudo –
 * † Testudo emys – tentative report
 * † Tetracentron –
 * † Tetracentron masuzawaense –
 * † Tetrastigma – or unidentified related form
 * † Tetrastigma sp. –
 * † Thais – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Thais –
 * † Thais clavigera –
 * † Thais echinata –
 * † Thais luteostoma –
 * † Thais minoensis –
 * † Thais sp. –
 * † Thalassina –
 * † Thalassina anomala –
 * † Thalassinoides –
 * † Thalassinoides sp. –
 * † Thalassionema –
 * † Thalassionema nitzschioides –
 * † Thalassiosira –
 * † Thalassiosira antiqua –
 * † Thalassiosira antique –
 * † Thalassiosira convexa –
 * † Thalassiosira eccentrica –
 * † Thalassiosira gravida –
 * † Thalassiosira jacksonii – or unidentified comparable form
 * † Thalassiosira jacksonii –
 * † Thalassiosira jouseae –
 * † Thalassiosira manifesta –
 * † Thalassiosira marujamica –
 * † Thalassiosira nidulus –
 * † Thalassiosira oestrupii – or unidentified comparable form
 * † Thalassiosira oestrupii –
 * † Thalassiosira sp. –
 * † Thalassiosira trifulta –
 * † Thalassiosira yabei –
 * † Thalassiothrix –
 * † Thalassiothrix frauenfeldii –
 * † Thalassiothrix longissima –
 * † Thalassiothrix robusta –
 * † Thalassoleon – or unidentified related form
 * † Thalassoleon –
 * † Thalassoleon inouei – type locality for species
 * † Thalassoleon mexicanus –
 * † Thatcheria –
 * † Thatcheria gradata – or unidentified comparable form
 * † Thea –
 * † Thea ubensis –
 * † Thecosphaera –
 * † Thecosphaera antarctica –
 * † Theora –
 * † Theora lata –
 * † Thiara –
 * † Thiara libertina –
 * † Thracia –
 * † Thracia asahiensis –
 * † Thracia higashinodonoensis –
 * † Thracia kakumana –
 * † Thracia kamayashikensis –
 * † Thracia sekii –
 * † Thracia sp. – informal
 * † Thracia sp. –
 * † Thracia watanabei – or unidentified comparable form
 * † Thuja –
 * † Thuja nipponica –
 * † Thuja sp. –
 * † Thujopsis –
 * † Thujopsis miodolabrata –
 * † Thyasira –
 * † Thyasira sp. –
 * † Thyasira tokungai –
 * † Tiberia –
 * † Tiberia dunkerii –
 * † Tibia –
 * † Tibia fusus – or unidentified related form
 * † Tibia sp. –
 * † Tibicen –
 * † Tibicen japonicus – or unidentified related form
 * † Tilia –
 * † Tilia kabutoiwaensis –
 * † Tilia miohenryana –
 * † Tilia protojaponica –
 * † Tilia sp. –
 * † Titanoderma –
 * † Titanoderma prototypum –
 * † Tokudaia –
 * † Tokudaia osimensis –
 * † Tomopleura –
 * † Tomopleura qyantoana –
 * † Tomopleura subdifficilis –
 * † Tomopleura yokoyamai –
 * † Tonna – tentative report
 * † Tonna –
 * † Tonna allium –
 * † Tonna canaliculata –
 * † Tonna luetostoma –
 * † Tonna luteostoma –
 * † Tonna sp. –
 * † Torinia –
 * † Torinia serratimarginata –
 * † Tosatrochus –
 * † Tosatrochus attenuatus –
 * † Toyotamaphimeia –
 * † Toyotamaphimeia machikanensis – type locality for species
 * † Trachelospermum –
 * † Trachelospermum tanaii –
 * † Trachycarcinus –
 * † Trachycarcinus huziokai –
 * † Trachycardium –
 * † Trachycardium sp. –
 * † Trachyphyllia –
 * † Trachyphyllia geoffroyi –
 * † Trachyphyllia sp. –
 * † Trapa –
 * † Trapa angusticerata – or unidentified comparable form
 * † Trapa anteformata –
 * † Trapa incisa –
 * † Trapa macropoda – or unidentified comparable form
 * † Trapa macropoda –
 * † Trapa mamminifera – or unidentified comparable form
 * † Trapa sp. –
 * † Trapella –
 * † Trapella antennifera –
 * † Trapezium –
 * † Trapezium isoharense –
 * † Trapezium isoharensis –
 * † Trapezium kobe – type locality for species
 * † Trapezium liratum –
 * † Trapezium modilaeformis –
 * † Trapezium modiolaeforme –
 * † Trapezium sp. –
 * † Trapezium sublaevigatum –
 * † Tresus –
 * † Tresus keenae –
 * † Trichomya –
 * † Trichomya hirsuta –
 * † Tridacna –
 * † Tridacna cumingii –
 * † Tridacna noae – or unidentified comparable form
 * † Tridacna sp. –
 * † Tridacna squamosa –
 * † Tridentiger –
 * † Tridentiger sp. –
 * † Trigonostoma –
 * † Trigonostoma bocageana –
 * † Trigonostoma kurodai –
 * † Trilophoodon –
 * † Trilophoodon sp. –
 * † Trimeresurus –
 * † Trimeresurus sp. –
 * † Trinacria –
 * † Trinacria nipponica – type locality for species
 * † Trinovantedinium –
 * † Trinovantedinium boreale –
 * † Trionyx –
 * † Trionyx desmostyli –
 * † Trionyx miensis – type locality for species
 * † Trionyx sp. –
 * † Trionyx ubeensis – type locality for species
 * † Triphora –
 * † Triphora concors –
 * † Triphora conspersa –
 * † Triphora dolicha – or unidentified related form
 * † Triphora exilis –
 * † Triphora fusca –
 * † Triphora granulata –
 * † Triphora limosa –
 * † Triphora micans – or unidentified related form
 * † Triphora solitaria – type locality for species
 * † Triphora sp. –
 * † Triphora sp. 1 – informal
 * † Triphora sp. 2 – informal
 * † Triphora sp. 3 – informal
 * † Tripterygium – tentative report
 * † Tripterygium –
 * † Tripterygium regelii – or unidentified comparable form
 * † Tripterygium sp. –
 * † Trisidos –
 * † Trisidos tortuosa –
 * † Tritia –
 * † Tritia japonicus –
 * † Tritodynamia –
 * † Tritodynamia globosa –
 * † Trivellona –
 * † Trivellona shimajiriensis – type locality for species
 * † Trivellona shimajiriensis –
 * † Trivirostra –
 * † Trivirostra edgari –
 * † Trivirostra hordacea –
 * † Trochammina –
 * † Trochammina asagaiensis – type locality for species
 * † Trochocerithium –
 * † Trochocerithium excelsum – or unidentified comparable form
 * † Trochocerithium shikoensis – or unidentified related form
 * † Trochocerithium sp. –
 * † Trochocyathus –
 * † Trochocyathus hanzawai –
 * † Trochus –
 * † Trochus calcaratus –
 * † Trochus maculatus –
 * † Trochus rota –
 * † Trochus sp. –
 * † Trogosus – or unidentified comparable form
 * † Trogosus –
 * † Trogosus latidens – or unidentified comparable form
 * † Trogosus sp. –
 * † Trominina –
 * † Trominina ezoana –
 * † Trominina japonica –
 * † Trominina sp. –
 * † Trophon –
 * † Trophon uyemurai –
 * † Tropidocyathus –
 * † Tropidocyathus lessoni –
 * † Trosatrochus –
 * † Trosatrochus attenuatus –
 * † Tsuga –
 * † Tsuga miosieboldiana –
 * † Tsuga sp. –
 * † Tubipora –
 * † Tubipora musica –
 * † Tucetona –
 * † Tucetona auriflua –
 * † Tucetona nodosa – or unidentified related form
 * † Tucetona pectinata –
 * † Tudicla –
 * † Tudicla blakei –
 * † Tudicla yokoyamai –
 * † Tudicla yokoyomai –
 * † Tudivasum –
 * † Tudivasum oostinghi – or unidentified related form
 * † Turbinaria – tentative report
 * † Turbinaria –
 * † Turbinaria frondens –
 * † Turbinaria mesenterina –
 * † Turbinaria peltata – or unidentified related form
 * † Turbinaria peltata –
 * † Turbinaria reniformis – tentative report
 * † Turbinaria reniformis –
 * † Turbinaria sp. –
 * † Turbinaria stellulata – tentative report
 * † Turbinaria stellulata –
 * † Turbiniscala –
 * † Turbiniscala replicata –
 * † Turbiosphaera – or unidentified comparable form
 * † Turbiosphaera sp. –
 * † Turbo – tentative report
 * † Turbo –
 * † Turbo agyrostoma –
 * † Turbo argyrostoma –
 * † Turbo cornuta – or unidentified comparable form
 * † Turbo cornutus –
 * † Turbo coronatus –
 * † Turbo granulata –
 * † Turbo hosodai – type locality for species
 * † Turbo kurodai –
 * † Turbo marmorata –
 * † Turbo marmoratus –
 * † Turbo mekamiensis –
 * † Turbo miyarensis –
 * † Turbo ozalwai –
 * † Turbo ozawai – or unidentified comparable form
 * † Turbo ozawai –
 * † Turbo petholatus –
 * † Turbo priscus –
 * † Turbo sanoi – type locality for species
 * † Turbo sp. –
 * † Turbo yoshiharuyabei – type locality for species
 * † Turbonilla –
 * † Turbonilla edoensis –
 * † Turbonilla sp. –
 * † Turbonilla sp. 1 – informal
 * † Turbonilla sp. 2 – informal
 * † Turbonilla torquata –
 * † Turbonilla varicosa – or unidentified comparable form
 * † Turcica –
 * † Turcica sp. –
 * † Turricula –
 * † Turricula atsukoae –
 * † Turricula tornata – or unidentified related form
 * † Turris – tentative report
 * † Turris –
 * † Turris crispa –
 * † Turris sp. –
 * † Turriscala –
 * † Turriscala shimajiriensis –
 * † Turriscala sp. –
 * † Turritella – sensu lato
 * † Turritella –
 * † Turritella cingulifera – or unidentified comparable form
 * † Turritella fascialiis – or unidentified related form
 * † Turritella filiola –
 * † Turritella fortilirata –
 * † Turritella importuna –
 * † Turritella infralirata –
 * † Turritella kadonosawensis –
 * † Turritella karatsuensis –
 * † Turritella kiiensis –
 * † Turritella kotakai –
 * † Turritella kurosio –
 * † Turritella millepunctata – or unidentified related form
 * † Turritella perterebra –
 * † Turritella poronaiensis – or unidentified comparable form
 * † Turritella poronaiensis –
 * † Turritella saishuensis –
 * † Turritella saushuensis –
 * † Turritella shataii –
 * † Turritella sp. –
 * † Turritella tanaguraensis – tentative report
 * † Turritella tanaguraensis –
 * † Turritella tokunagai –
 * † Turritella yoshidai –
 * † Turritella zinboi –
 * † Tursiops – or unidentified related form
 * † Tursiops –
 * † Tursiops sp. –
 * † Tursiops truncatus –
 * † Tutufa –
 * † Tutufa sp. –
 * † Tymolus –
 * † Tymolus ingens –
 * † Tymolus itoigawai –
 * † Tymolus kamadai –
 * † Tymolus sp. –
 * † Tympanotonos –
 * † Tympanotonos cingulatus –
 * † Typhis –
 * † Typhis arcuatus –
 * † Typhlocarcinus –
 * † Typhlocarcinus obtusus –
 * † Typhlosyrinx –
 * † Typhlosyrinx sp. –
 * † Ulmeriella –
 * † Ulmeriella shizukuishiensis – type locality for species
 * † Ulmeriella uemurai – type locality for species
 * † Ulmus –
 * † Ulmus protojaponica –
 * † Ulmus sp. –
 * † Ulmus subparvifolia –
 * † Umbonium –
 * † Umbonium abitanum –
 * † Umbonium akitanum –
 * † Umbonium costatum – or unidentified related form
 * † Umbonium costatum –
 * † Umbonium giganteum –
 * † Umbonium moniliferum –
 * † Umbonium sp. –
 * † Unio –
 * † Unio uryuensis –
 * † Upogebia –
 * † Upogebia mizunamiensis –
 * † Upogebia striata –
 * † Upogebia tanegashimenis –
 * † Upogebia tanegashimensis –
 * † Uria –
 * † Uria aalge –
 * † Uromitra –
 * † Uromitra cophina –
 * † Uromitra fulleri –
 * † Uromitra lirocostata – or unidentified related form
 * † Uromitra obeliscus – or unidentified related form
 * † Uromitra teschi –
 * † Urotrichus –
 * † Urotrichus pilirostris –
 * † Urotrichus talpoides –
 * † Ursus –
 * † Ursus arctos –
 * † Uvigerina –
 * † Uvigerina akitaensis –
 * † Uvigerina crassicostata –
 * † Uvigerina subperegerina –
 * † Vaccinium –
 * † Vaccinium sp. –
 * † Varuna –
 * † Varuna angustifrons –
 * † Vasum – tentative report
 * † Vasum –
 * † Vasum sp. –
 * † Velutina –
 * † Velutina plicatilis –
 * † Venatomya –
 * † Venatomya truncata –
 * † Venericardia – tentative report
 * † Venericardia –
 * † Venericardia mandaica – tentative report
 * † Venericardia mandaica –
 * † Venericardia millegrana – type locality for species
 * † Venericardia nagaoi – type locality for species
 * † Venericardia nagaoi –
 * † Venericardia nipponica –
 * † Venericardia okinoshimensis – type locality for species
 * † Venericardia okinoshimensis –
 * † Venericardia prolongata –
 * † Venericardia quadriangulata – type locality for species
 * † Venericardia sp. –
 * † Venericardia subnipponica –
 * † Venericardia tokudai –
 * † Venerupis – report made of unidentified related form or using admittedly obsolete nomenclature
 * † Venerupis –
 * † Venerupis macrophylla –
 * † Venerupis mitis –
 * † Venerupis sp. –
 * † Venerupis variegata –
 * † Ventrifossa –
 * † Ventrifossa sp. –
 * † Venus – tentative report
 * † Venus –
 * † Venus foveolata –
 * † Venus hiraseana –
 * † Venus mitsuiana – type locality for species
 * † Venus sp. –
 * † Vepricardium –
 * † Vepricardium miikense –
 * † Veremolpa –
 * † Veremolpa micra –
 * † Vermetus –
 * † Vermetus imbricatus –
 * † Vermetus tokyoensis –
 * † Vermicularia –
 * † Vermicularia imbricata –
 * † Vesicomya – tentative report
 * † Vesicomya –
 * † Vesicomya sp. –
 * † Vexillum –
 * † Vexillum emmae – or unidentified comparable form
 * † Vexillum fuscoapicatum –
 * † Vexillum obeliscum –
 * † Vexillum setsukoae –
 * † Vexillum subtruncatum –
 * † Viburnum – tentative report
 * † Viburnum –
 * † Viburnum opulus – or unidentified comparable form
 * † Viburnum otukae – or unidentified comparable form
 * † Viburnum uttoensis – or unidentified comparable form
 * † Vicarya –
 * † Vicarya ibarumensis –
 * † Vicarya japonica –
 * † Vicarya sp. –
 * † Vicarya yabei –
 * † Vicarya yokayamai –
 * † Vicarya yokomai –
 * † Vicarya yokoyamai – or unidentified comparable form
 * † Vicarya yokoyamai –
 * † Vicaryella –
 * † Vicaryella ancisa –
 * † Vicaryella bacula –
 * † Vicaryella baculla –
 * † Vicaryella ishiiana –
 * † Vicaryella jobanica –
 * † Vicaryella notoensis – or unidentified comparable form
 * † Vicaryella notoensis –
 * † Vicaryella otukai –
 * † Vicaryella sp. –
 * † Vinciguerria –
 * † Vinciguerria sp. –
 * † Vitis –
 * † Vitis naumannii –
 * † Vitis sp. –
 * † Viviparus –
 * † Viviparus japonicus –
 * † Viviparus sp. –
 * † Volachlamys –
 * † Volachlamys awajiensis –
 * † Volema – tentative report
 * † Volema –
 * † Volema mimasakensis –
 * † Volema sp. –
 * † Volema ternatanus –
 * † Volema tuba –
 * † Volsella –
 * † Volsella sp. –
 * † Volutharpa –
 * † Volutharpa ampullacea –
 * † Volutharpa perryi –
 * † Volutoharpa –
 * † Volutoharpa sp. –
 * † Volutopsina –
 * † Volutopsina japonica –
 * † Volutopsina nishimurai – tentative report
 * † Volva –
 * † Volva sp. –
 * † Vulpes –
 * † Vulpes vulpes –
 * † Vulsella –
 * † Vulsella sp. –
 * † Vulsella vulsella –
 * † Wallucina –
 * † Wallucina lamyi –
 * † Weigela –
 * † Weigela sanzugawaensis –
 * † Weigera –
 * † Weigera sp. –
 * † Wistaria –
 * † Wistaria sp. –
 * † Wisteria –
 * † Wisteria fallax –
 * † Woodwardia –
 * † Woodwardia sp. –
 * † Xanthilites –
 * † Xanthilites pentagonalis – type locality for species
 * † Xenocypris –
 * † Xenocypris sp. –
 * † Xenophora –
 * † Xenophora pallidula –
 * † Xenophora sp. –
 * † Xenophora sunakozakaensis –
 * † Xiphodolamia –
 * † Xiphodolamia sp. –
 * † Xylosma –
 * † Xylosma eoapactis –
 * † Xymene –
 * † Xymene contractus –
 * † Yabepecten –
 * † Yabepecten tokunagai –
 * † Yamatocetus – type locality for genus
 * † Yamatocetus canaliculatus – type locality for species
 * † Yezoterpnosia –
 * † Yezoterpnosia nigricosta –
 * † Yoldia –
 * † Yoldia biremis –
 * † Yoldia hikoshimensis –
 * † Yoldia hokkaidoensis –
 * † Yoldia kikuchii –
 * † Yoldia laudabilis –
 * † Yoldia notabilis – or unidentified comparable form
 * † Yoldia notabilis –
 * † Yoldia sagittalia –
 * † Yoldia saitoi – or unidentified comparable form
 * † Yoldia similis –
 * † Yoldia sobrina – or unidentified comparable form
 * † Yoldia sobrina –
 * † Yoldia sp. –
 * † Yoldia yamagatana –
 * † Zaisanamynodon – or unidentified comparable form
 * † Zaisanamynodon –
 * † Zaisanamynodon borisovi –
 * † Zaisanamynodon protheroi – or unidentified comparable form
 * † Zaitzevia –
 * † Zaitzevia sp. –
 * † Zalophus – tentative report
 * † Zalophus –
 * † Zalophus californianus –
 * † Zalophus kimitsensis – type locality for species
 * † Zalophus sp. –
 * † Zeacumantus –
 * † Zeacumantus sp. –
 * † Zebina –
 * † Zebina affinis –
 * † Zelkova –
 * † Zelkova kushiroensis –
 * † Zelkova sp. –
 * † Zelkova ungeri –
 * † Ziphius –
 * † Ziphius cavirostris –
 * † Zirfaea –
 * † Zirfaea sp. –
 * † Zoila –
 * † Zoila itoigawai –
 * † Zoopilus –
 * † Zoopilus echinatus –