List of the Cenozoic life of Mississippi

This list of the Cenozoic life of Mississippi contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Mississippi and are between 66 million and 10,000 years of age.

A

 * †Abderospira
 * †Abderospira aldrichi
 * †Abderospira leblanci
 * †Abderospira meyeri
 * †Abderospira oviformis
 * †Abderospira oviforms
 * †Abdounia
 * †Abdounia beaugei
 * †Abdounia subulidens
 * Abra – tentative report
 * Abra – or unidentified comparable form
 * Abra
 * †Abra nitens
 * †Abra pectorosa
 * †Abra perovata
 * †Acanthionella
 * †Acanthionella oecioporosa
 * Acanthocardia aculeata 001.jpg [[Acanthocardia]]
 * †Acanthocardia claibornensis
 * †Acanthocardia glebosum
 * Acar
 * †Acar aspera
 * Acirsa – tentative report
 * †Acirsa solumcostata – type locality for species
 * Aclis
 * †Aclis matsoni – type locality for species
 * †Acra
 * †Acra subprotracta
 * Acteocina cropped.png [[Acteocina]]
 * †Acteocina crassiplica
 * Acteon
 * †Acteon annectens
 * †Acteon idoneus
 * †Acteon menthafons – type locality for species
 * †Acteon meyeri – type locality for species
 * †Acteon pomilius
 * †Acteon punctatus – type locality for species
 * †Acteon subaldrichi – type locality for species
 * Adeonellopsis
 * †Adeonellopsis cyclops
 * †Adeonellopsis galeata – type locality for species
 * †Adeonellopsis quisenberryae – type locality for species
 * †Adeonellopsis transversa
 * Pectinidae - Aequipecten radians.JPG [[Aequipecten]]
 * †Aequipecten cocoana
 * †Aequipecten redwoodensis – type locality for species
 * †Aequipecten spillmani
 * Aetobatus
 * Agaronia
 * †Agaronia alabamensis
 * †Agaronia media
 * †Agaronia mississippiensis
 * Agatrix
 * †Agatrix mississippiensis
 * Alaba
 * †Alaba blakneyensis
 * †Alaba macneili – type locality for species
 * Alabina
 * †Alabina menthafontis – type locality for species
 * Albula
 * †Albula eppsi
 * Alderina
 * †Alderina lunata
 * †Alderina pulcherrima
 * Alligator
 * American Alligator.jpg †[[Alligator mississippiensis]]
 * †Altrix
 * †Altrix altior
 * †Alveinus
 * †Alveinus minutus
 * Americardia
 * †Americardia silvacollina – type locality for species
 * Ammonia
 * †Ammonia beccarii
 * †Amonia
 * †Amonia microstriata – type locality for species
 * Anadara
 * †Anadara lesueuri
 * †Anadara vaughani
 * Ancilla
 * †Ancilla staminea
 * Anodontia
 * †Anodontia mississippiensis
 * Anomia
 * †Anomia lisbonensis
 * †Anomia microstriata – type locality for species
 * †Anomotodon
 * Antalis vulgaris.jpg [[Antalis]]
 * †Antalis danvillense
 * †Antalis minutistriatum
 * †Antalis mississippiense
 * †Antalis thalloides
 * Antropora
 * †Antropora duplex
 * †Antropora lowei – type locality for species
 * †Antropora pyriforme
 * †Apatemys
 * †Apatemys pygmaeus – type locality for species
 * Apiotoma
 * †Apiotoma palmerae – type locality for species
 * Aporrhais
 * †Aporrhais lirata
 * †Aporrhais menthafontis – type locality for species
 * Arachnopusia
 * †Arachnopusia vicksburgica
 * †Arbia
 * †Arbia aldrichi
 * †Archaeomanta
 * †Archaeomanta melenhorsti
 * Architectonica sp. (Marine snail).jpg [[Architectonica]]
 * †Architectonica acuta
 * †Architectonica aldrichi
 * †Architectonica alveatum
 * †Architectonica amoena
 * †Architectonica bellistriata
 * †Architectonica billmoorei – type locality for species
 * †Architectonica cossmanni
 * †Architectonica elaborata
 * †Architectonica fungina
 * †Architectonica hargeri
 * †Architectonica leana
 * †Architectonica meekana
 * †Architectonica meliconae
 * †Architectonica ornata
 * †Architectonica textilina
 * †Architectonica trilirata
 * Arcopagia
 * †Arcopagia eburneopsis
 * †Arcopagia raveneli
 * †Arcopagia trumani
 * Arcoperna
 * †Arcoperna filosa
 * †Arcoperna linteata – type locality for species
 * Arene
 * †Arene nodosa – type locality for species
 * Arius
 * Astarte
 * †Astarte menthifontis – type locality for species
 * †Astarte newtonensis
 * †Astarte planilamella – type locality for species
 * †Astarte triangulata
 * Asthenotoma
 * †Asthenotoma danvitexa
 * Astrangia danae.jpeg [[Astrangia]]
 * †Astrangia expansa – type locality for species
 * †Astrangia harrisi
 * †Astrhelia
 * †Astrhelia burnsi – type locality for species
 * †Astrhelia neglecta – type locality for species
 * Athleta
 * †Athleta lisbonensis
 * †Athleta petrosa
 * †Athleta symmetricus
 * †Athleta triplicatus
 * †Athleta tuomeyi
 * Atrina
 * †Atrina argentea
 * †Atrina jacksoniana
 * Aturia alabamensis by Apokryltaros.png †[[Aturia]]
 * †Aturia alabamensis
 * †Aturia berryi
 * †Aturia richardsi – type locality for species
 * Atys
 * †Atys caseyi – type locality for species
 * †Atys pinguis – type locality for species
 * †Austrocypraea
 * †Austrocypraea towncreekensis – type locality for species
 * Axelella
 * †Axelella elongata – type locality for species

B

 * Balanophyllia
 * †Balanophyllia elongata – type locality for species
 * †Balanophyllia haleana
 * †Balanophyllia irrorata
 * Balcis
 * †Balcis notata
 * Carditidae - Venericardia ameliae.JPG †[[Baluchicardia]]
 * †Baluchicardia greggiana
 * Barbatia
 * †Barbatia aspera
 * †Barbatia cuculloides
 * †Barbatia lima
 * †Barbatia ludoviciana
 * †Barbatia mississippiensis
 * †Barbatia paradiagona – type locality for species
 * †Barbatia seraperta
 * Basilosaurus cropped.png †[[Basilosaurus]]
 * †Basilosaurus cetoides
 * †Bathycyathus – type locality for genus
 * †Bathycyathus pulcher – type locality for species
 * Bathytoma
 * †Bathytoma congesta
 * †Bathytoma rhomboidea – type locality for species
 * Bathytormus
 * †Bathytormus clarkensis
 * †Bathytormus flexurus
 * †Bathytormus productus
 * †Bayania
 * †Bayania secale
 * †Belemnosella
 * †Belemnosella americana
 * †Belosaepia
 * †Biocorbula
 * †Biocorbula pearlensis
 * American bison k5680-1.jpg [[Bison]]
 * Bittium
 * †Bittium koeneni
 * †Bittium ottoi – type locality for species
 * †Bonellitia
 * †Bonellitia bastropensis
 * †Bonellitia elevata
 * †Bonellitia garvani
 * †Bonellitia jacksonica
 * †Bonellitia parilis
 * Bornia
 * †Bornia tallahalaensis – type locality for species
 * CH cow 2 cropped.jpg [[Bos]]
 * †Bovicornu
 * †Bovicornu eocenense
 * †Bovicornu gracile
 * Brachidontes
 * †Brachidontes mississippiensis
 * Bregmaceros atlanticus.jpg [[Bregmaceros]]
 * †Brevinucula
 * †Brevinucula pseudopunctata – type locality for species
 * †Bristocorbula
 * †Bristocorbula fossata
 * Brizalina
 * †Brizalina marginata
 * †Brychaetus
 * †Brychaetus muelleri
 * Buliminella
 * †Buliminella bassendorfensis – or unidentified comparable form
 * †Buliminella elegantissima
 * Bulla
 * †Bulla calluspira
 * Bullia
 * †Bullia ancillops
 * †Burnhamia
 * †Burnhamia daviesi
 * †Burnhamia fetahi
 * Busycon contrarium 01.JPG [[Busycon]]
 * †Busycon branneri

C

 * Cadulus
 * †Cadulus abruptus
 * †Cadulus corpulentus
 * †Cadulus jacksonensis
 * †Cadulus juvenis
 * †Cadulus newtonensis
 * †Cadulus quadriturritus
 * †Cadulus vicksburgensis
 * Caecum
 * †Caecum alterum
 * †Caecum solitarium
 * Caestocorbula
 * †Caestocorbula fossata
 * †Caestocorbula wailesiana
 * Callianassa
 * †Callianassa Sp. informal
 * Calliostoma ligatum 2.jpg [[Calliostoma]]
 * Callista
 * †Callista annexa
 * †Callista goniopisthus – type locality for species
 * †Callista pearlensis
 * †Callista perlensis
 * †Callista perovata
 * †Callista sobrina
 * Callopora
 * †Callopora filoparietis
 * †Callopora ingens
 * †Callopora mundula
 * †Callopora tenuirostris
 * Callucina
 * †Callucina choctavensis
 * †Calorhadia
 * †Calorhadia albirupina
 * †Calorhadia aldrichiana
 * †Calorhadia elongatoidea
 * †Calorhadia opulenta
 * †Calorhadia pharcida
 * †Calorhadia reginajacksonis
 * Calotrophon
 * †Calotrophon ostrearum
 * †Calpurna
 * †Calpurna cookei – type locality for species
 * Calyptraea chinensis 001.jpg [[Calyptraea]]
 * †Calyptraea alta
 * †Calyptraphorus
 * †Calyptraphorus stamineus
 * †Calyptraphorus trinodiferus
 * †Calyptraphorus velatus
 * Cantharus
 * Capulus
 * †Capulus americanus
 * †Capulus langdoni – type locality for species
 * †Capulus planus
 * Carcharhinus
 * †Carcharhinus gibbesi
 * Carcharias
 * †Carcharias hoperi
 * †Carcharias robustus
 * †Carcharias teretidens
 * †Carcharias verticalis
 * Carcharodon carcharias.jpg [[Carcharodon]]
 * †Carcharodon auriculatus
 * †Carditella
 * †Carditella aldrichi
 * †Caricella
 * †Caricella demissa
 * †Caricella fenestra
 * †Caricella howei
 * †Caricella polita
 * †Caricella pyruloides
 * †Caricella reticulata
 * †Caricella stenzeli
 * †Caricella subangulata
 * †Caricella turneri
 * Caryocorbula
 * †Caryocorbula densata
 * †Caryocorbula deusseni
 * †Caryocorbula engonatoides
 * †Caryocorbula willistoni
 * Cassis
 * †Cassis flintensis
 * Cavilinga
 * †Cavilinga imbricolamella – type locality for species
 * †Cavilinga triloba – type locality for species
 * Celleporaria
 * †Celleporaria damicornis
 * †Celleporaria fissurata
 * †Celleporaria granulosa
 * †Celleporaria peristomata – type locality for species
 * Celleporina
 * †Celleporina globosa
 * Cerithiella austrina 001.jpg [[Cerithiella]]
 * †Cerithiella heckscheri
 * †Cerithiella jacksonensis
 * †Cerithiella langdoni
 * †Cerithiella nassula
 * †Cerithiella nassuloides – type locality for species
 * †Cerithiella preconica
 * †Cerithioderma
 * Cervus
 * Chama
 * †Chama harrisi
 * †Chama mississippiensis
 * †Chama monroensis
 * †Chama pappiladerma – type locality for species
 * †Chama radiata
 * Chamelea
 * †Chamelea mississippiensis
 * GlasswormLateralView.JPG [[Chaoborus]]
 * Chelonibia
 * †Chelonibia melleni – type locality for species
 * Chicoreus
 * †Chicoreus dormani
 * †Chicoreus mississippiensis
 * †Chicoreus stetopus
 * Chione
 * †Chione craspedonta
 * †Chione perbrevisformis – type locality for species
 * Chionopsis
 * †Chionopsis bainbridgensis
 * Chiton
 * Chlamys Pliocene Cyprus.jpg bivalve]] Chlamys''
 * †Chlamys anatipes
 * †Chlamys burlesonensis
 * †Chlamys cainei
 * †Chlamys choctavensis
 * †Chlamys clarkeana
 * †Chlamys cocoana
 * †Chlamys danvillensis
 * †Chlamys ducanensis
 * †Chlamys nupera
 * †Chlamys pulchricosta
 * †Chlamys spillmani
 * †Chlamys wahtubbeana
 * †Chlamys wahtubbeanus – or unidentified comparable form
 * †Choctawius – type locality for genus
 * †Choctawius foxi – type locality for species
 * †Cimomia
 * †Cimomia subrecta
 * †Cimomia vestali
 * Circulus
 * †Circulus ottonius
 * †Circulus sotoensis
 * Cirsotrema
 * †Cirsotrema danvillense
 * †Cirsotrema linteum
 * †Cirsotrema nassulum
 * †Cirsotrema newtonense
 * †Cirsotrema newtonensis
 * †Cirsotrema ranellinum
 * †Cirsotrema spillmani
 * Clathurella
 * †Clathurella blakneyensis
 * Clava
 * †Clava menthafontis – type locality for species
 * †Clava silvacollinis – type locality for species
 * †Clavidrupa
 * †Clavidrupa anita
 * Clavilithes noae 01.JPG [[Clavilithes]]
 * †Clavilithes columbaris
 * †Clavilithes hubbardanus
 * †Clavilithes humerosus
 * †Clavilithes kennedyanus
 * †Clavilithes longiformis
 * †Clavilithes penrosei
 * †Clavilithes texanus
 * †Clavilithes vicksburgensis
 * Clio
 * †Clio simplex
 * Closia
 * †Closia larvata
 * †Closia semen
 * Clypeaster reticulatus.jpg [[Clypeaster]]
 * †Clypeaster rogersi
 * Cochlespira
 * †Cochlespira bella
 * †Cochlespira columbaria
 * †Cochlespira cookei – type locality for species
 * †Cochlespira cristata - type species; combinatio nova for Pleurotoma cristata.
 * †Cochlespira engonata
 * †Cochlespiropsis
 * †Cochlespiropsis engonata
 * Codakia
 * †Colpocherus – type locality for genus
 * †Colpocherus mississippiensis – type locality for species
 * Columbellopsis
 * †Columbellopsis mississippiensis
 * †Confusiscala
 * †Confusiscala durhami – type locality for species
 * Conger oceanicus.jpg [[Conger]]
 * †Conger meridies
 * †Conger vetustus
 * †Congeris
 * †Congeris brevior
 * Conomitra – tentative report
 * Conomitra
 * †Conomitra crenulata
 * †Conomitra hammakeri
 * †Conomitra jacksonensis
 * †Conomitra staminea
 * †Conomitra texana
 * †Conomitra vicksburgensis
 * Conopeum
 * †Conopeum arborescens
 * †Conopeum concavum – type locality for species
 * †Conopeum damicornis
 * †Conopeum hookeri
 * †Conopeum lacroiriir
 * †Conopeum lamellosum
 * †Conorbis
 * †Conorbis alatoideus
 * †Conorbis porcellanus
 * Conus
 * †Conus protractus
 * †Conus sauridens
 * †Conus smithvillensis
 * Coralliophaga
 * †Coralliophaga corrugata – type locality for species
 * Coralliophila
 * †Coralliophila aldrichi
 * †Corbarimys
 * †Corbarimys nomadus – type locality for species
 * Corbula modesta 002.jpg [[Corbula]]
 * †Corbula alabamiensis
 * †Corbula concha
 * †Corbula engonata
 * †Corbula extenuata
 * †Corbula laqueata
 * †Corbula rufaripa – type locality for species
 * Cordieria
 * †Cordieria biconica
 * †Cordieria ludoviciana
 * †Cornulina
 * †Cornulina dalli
 * †Cornulina minax
 * †Coronia
 * †Coronia alternata
 * †Coronia ancilla
 * †Coronia casteri
 * †Coronia childreni
 * †Coronia conjuncta
 * †Coronia margaritosa
 * †Coronia montgomeryensis
 * †Coronia nodulina
 * †Coronia tenella
 * †Corvina
 * †Corvina gemma
 * †Corvina intermedia
 * †Corvina pseudoradians – type locality for species
 * Coryphodon.jpg †[[Coryphodon]]
 * Costacallista – or unidentified comparable form
 * †Costacallista mortoni
 * †Coupatezia
 * †Coupatezia woutersi
 * Crassatella
 * †Crassatella aquiana
 * †Crassatella gabbi
 * †Crassatella lirasculpta – type locality for species
 * †Crassatella mississippiensis
 * †Crassatella negreetensis
 * †Crassatella texalta
 * †Crassatella texana
 * †Crassatella trapaquara
 * Crassinella
 * †Crassinella pygmaea
 * †Crassinella pygmeae
 * †Crassinella variablis – type locality for species
 * Crassispira incrassata 001.jpg [[Crassispira]]
 * †Crassispira abundans
 * †Crassispira lyopleura – type locality for species
 * †Crassitella
 * †Crassitella mississippiensis
 * Crassostrea
 * Crenella
 * †Crenella fenestra – type locality for species
 * †Crenella isocardioides
 * †Crenella tenuis
 * Crenilabium
 * †Crenilabium altispira – type locality for species
 * Crepidula
 * †Crepidula dumosa
 * †Crepidula lirata
 * Creseis
 * †Creseis corpulenta
 * †Creseis simplex
 * †Creseis spina
 * †Cresies
 * †Cresies corpulenta – or unidentified comparable form
 * Shark fossil.jpg †[[Cretolamna]]
 * †Cretolamna aschersoni
 * †Cretolamna lerichei
 * Crisia
 * †Crisia cribraria
 * †Crisia hornesi
 * †Crisia lowei
 * †Crommium
 * †Crommium jacksonense
 * †Cubitostrea
 * †Cubitostrea divaricata
 * †Cubitostrea lisbonensis
 * †Cubitostrea perplicata
 * †Cubitostrea sellaeformis
 * Cuna – tentative report
 * †Cuna astartoides
 * †Cuneocorbula
 * †Cuneocorbula subengonata
 * Cuspidaria
 * †Cuspidaria multiornata
 * †Cyclichna
 * †Cyclichna acutiscapulae – type locality for species
 * †Cyclichna nida – type locality for species
 * Cyclostremiscus
 * †Cyclostremiscus exacuus
 * †Cyclostremiscus menthafons – type locality for species
 * †Cyclostremiscus quadracordata – type locality for species
 * Cylichna
 * †Cylichna nida – type locality for species
 * Cylichnella
 * †Cylichnella bitruncata
 * †Cylindracanthus
 * †Cylindracanthus rectus
 * Cymatium
 * †Cymatium vicksburgense – type locality for species
 * Cymatosyrinx
 * †Cymatosyrinx dorseyi
 * †Cymatosyrinx palmerae
 * Cymia
 * †Cymia subalveata
 * Museum of Natural History Cynthiacetus.jpg †[[Cynthiacetus]] – type locality for genus
 * †Cynthiacetus maxwelli – type locality for species
 * Cypraea
 * Cypraedia
 * †Cypraedia fenestralis
 * †Cypraeorbis
 * †Cypraeorbis nuculoides
 * †Cypraeorbis sphaeroides
 * †Cypraeorbis ventripotens

D

 * Daphnella
 * †Daphnella imperita
 * †Daphnella quindecima
 * Common stingray tynemouth.jpg [[Dasyatis]]
 * †Dasyatis tricuspidatus
 * †Dasyostoma
 * †Dasyostoma rugostoma
 * Dendrophyllia
 * †Dendrophyllia lisbonensis
 * Dentalium
 * †Dentalium bitubatum - broadly construed
 * †Dentalium incississimum
 * †Dentalium jacksonense
 * †Dentalium mediaviense
 * †Dentalium microstria
 * †Dentalium mississippiense
 * †Dentalium opaculum
 * †Dentalium polygonuum
 * †Dentalium strenuum
 * †Dentalium varicostata – type locality for species
 * †Dentalium zephyrinum
 * Dermomurex
 * †Dermomurex cookei
 * †Diacocherus
 * †Diacocherus dockeryi – type locality for species
 * Diacodexis pakistanensis e.jpg †[[Diacodexis]]
 * Diaperoecia
 * †Diaperoecia clava – type locality for species
 * †Diaperoecia jacksoniensis
 * Dimya
 * †Dimya rufaripa
 * Dinocardium
 * †Dinocardium vicksburgensis
 * Diodon
 * Keyhole limpet 01.jpg [[Diodora]]
 * †Diodora infrequens
 * †Diodora mississippiensis
 * †Diodora tenebrosa
 * Diplodonta
 * †Diplodonta anterproductus
 * †Diplodonta bulla
 * †Diplodonta compacta – type locality for species
 * †Diplodonta deflatus
 * †Diplodonta eburnea
 * †Diplodonta elatia – type locality for species
 * †Diplodonta hopkinsensis
 * †Diplodonta turgida
 * †Diplodonta ungulina
 * †Diplopholeos
 * †Diplopholeos lineatum
 * Discopsis
 * †Discopsis pilsbryi – type locality for species
 * †Discotrochus
 * †Discotrochus obrignianus
 * †Discotrochus orbignianus
 * Distorsio
 * †Distorsio crassidens
 * Divalinga
 * †Divalinga subrigaultiana
 * †Dolicholatirus
 * †Dolicholatirus cervicrassus
 * †Dolicholatirus exilis
 * †Dolicholatirus leaensis
 * †Dolicholatirus perexilis
 * Donax
 * †Donax funerata
 * Dorudon BW.jpg †[[Dorudon]]

E

 * †Eburneopecten
 * †Eburneopecten corneoides
 * †Eburneopecten frontalis
 * †Eburneopecten scintillatus
 * †Eburneopecten subminutus
 * Echinolampas
 * †Echinolampas aldrichi
 * Ectocion Ralstonensis.jpg †[[Ectocion]]
 * †Ectocion nanabeensis – type locality for species
 * †Egertonia
 * †Egertonia isodonta
 * †Ekokenia
 * †Ekokenia eporrecta
 * Ellisina
 * †Ellisina profunda
 * Elphidium
 * †Elphidium gavestonense
 * †Elphidium latsipatium
 * Emydoidea
 * Blanding's turtle (Emydoidea blandingii) (17812011862).jpg, or Blanding's turtle]] †Emydoidea blandingii''
 * Enaeta
 * †Enaeta isabellae
 * Endopachys
 * †Endopachys londsdalei
 * †Endopachys lonsdalei
 * †Endopachys maclurii
 * †Endopachys minutum – type locality for species
 * Enoplostomella
 * †Enoplostomella magniporosa – type locality for species
 * †Enoplostomella synthetica
 * †Eocithara
 * †Eocithara jacksonensis
 * †Eoclathurella
 * †Eoclathurella obesula
 * †Eodrilla
 * †Eodrilla longsdalii
 * †Eodrilla texana
 * †Eodrillia – tentative report
 * †Eogale – type locality for genus
 * †Eogale parydros – type locality for species
 * †Eophysema
 * †Eophysema ozarkana
 * †Eopleurotoma
 * †Eopleurotoma adolescens
 * †Eopleurotoma cainei
 * †Eopleurotoma carya
 * †Eopleurotoma cochlea
 * †Eopleurotoma gemmavia
 * †Eopleurotoma julia
 * †Eopleurotoma lisboncola
 * †Eopleurotoma nodocarinata
 * †Eopleurotoma nupera
 * †Eopleurotoma sayi
 * †Eosurcula
 * †Eosurcula moorei
 * †Eosurcula pulcherrima
 * †Eosurcula tuomeyi
 * †Eotorpedo
 * †Eotorpedo jaeckeli
 * †Eotorpedo jaekeli
 * Epilucina
 * Epistominella
 * †Epistominella pontoni
 * †Epistominella vitrea
 * Epitonium scalare shell.jpg [[Epitonium]]
 * †Epitonium unilineata
 * Equus
 * †Equus complicatus
 * †Erkosonea
 * †Erkosonea semota
 * †Eromotherium
 * Ervilia
 * †Ervilia exteroaevis – type locality for species
 * †Ervilia exterolaevis – type locality for species
 * †Ervilia lamelloexteria – type locality for species
 * Erycina
 * †Erycina zitteli
 * Escharella
 * †Escharella granulosa
 * †Etyus
 * †Etyus buccata
 * †Etyus strangulata
 * †Eucheilodon
 * †Eucheilodon americana
 * †Eucheilodon crenocarinata
 * †Eucymba
 * †Eucymba ocalana
 * †Eucypraedia
 * †Eucypraedia pittsi – type locality for species
 * Eulima algoensis 001.jpg [[Eulima]]
 * †Eulima extremis
 * †Eulima jacksonensis
 * Eulimella
 * †Eulimella clearyensis – type locality for species
 * Eumetula
 * †Eumetula vicksburgella
 * Eunaticina
 * †Eunaticina erectiodes
 * †Eunicella
 * Eurytellina
 * †Eurytellina linifera
 * †Eurytellina mooreana
 * †Eurytellina papyria
 * †Eurytellina spillmani
 * †Eurytellina vaughani
 * †Euscalpellum
 * †Euscalpellum eocenense
 * Euspira catena.jpg [[Euspira]]
 * †Euspira aldrichi
 * †Euspira jacksonensis
 * †Euspira marylandica
 * †Euspira newtonensis
 * †Euspira sabina
 * †Euspira vicksburgensis
 * †Exilia
 * †Exilia pergracilis
 * †Exochoecia
 * †Exochoecia rugosa

F

 * Falsifusus
 * †Falsifusus bastropensis
 * †Falsifusus ludlovicianus
 * †Falsifusus perobliquus
 * †Fedora
 * †Fedora pusilla – type locality for species
 * Felaniella
 * †Felaniella palmerae
 * †Ficopsis
 * †Ficopsis penita
 * †Ficopsis texana
 * Ficus
 * †Ficus filia
 * †Ficus merita
 * †Ficus mississippiensis
 * Filisparsa
 * †Filisparsa fallax
 * Flabellum
 * †Flabellum cuneiforme
 * †Flabellum rhomboideum – type locality for species
 * †Flabellum wailesii
 * †Fleurofusia – tentative report
 * Floridina
 * †Floridina antiqua
 * †Floridina bifoliata
 * †Floridina granulosa
 * †Franimys
 * †Franimys actites – type locality for species
 * Fulgurofusus
 * †Fulgurofusus quercollis
 * Fusimitra
 * †Fusimitra conquisita
 * †Fusimitra millingtoni
 * Fusinus monksae.jpg [[Fusinus]]
 * †Fusinus insectoides
 * †Fusoficula
 * †Fusoficula angelinensis
 * †Fustaria
 * †Fustaria menthifonta – type locality for species
 * Fustiaria
 * †Fustiaria danai
 * †Fustiaria menthafonta – type locality for species
 * †Fustiaria subcompressa
 * †Fustilaria

G

 * Tiger shark(2).jpg [[Galeocerdo]]
 * †Galeocerdo clarkensis
 * Galeodea
 * †Galeodea brevidentata
 * †Galeodea millsapsi
 * †Galeodea petersoni
 * †Galeodea planotecta
 * †Galeodea shubutensis
 * †Galeodea tricarinata
 * Galeorhinus
 * †Galeorhinus affini
 * †Galeorhinus affinis
 * †Galeorhinus huberensis
 * †Galeorhinus minor
 * †Galeorhinus ypresiensis
 * Galeus melastomus Sardinia.jpg [[Galeus]]
 * Gari
 * †Gari jacksonensis
 * †Gari ozarkana
 * †Gari papyria
 * Gastrochaena
 * †Gastrochaena mississippiensis
 * Gegania
 * †Gegania antiquata
 * Gemmula
 * †Gemmula amica
 * †Gemmula rotaedens
 * Genota
 * †Genota aldrichi
 * †Genota axeli
 * †Genota heilprini
 * Geochelone
 * †Geochelone crassicutata
 * Georgiacetus BW.jpg †[[Georgiacetus]]
 * †Georgiacetus vogtlensis
 * Gephyrotes
 * †Gephyrotes spectabilis – type locality for species
 * †Gigantostrea
 * †Gigantostrea trigonalis
 * Ginglymostoma
 * †Ginglymostoma subafricanum
 * Globigerina
 * †Globigerina praebuloides
 * †Globigerina riveroae
 * Globivenus
 * †Globivenus ucuttana
 * †Globoquadrina
 * †Globoquadrina dehiscens
 * Globorotalia
 * †Globorotalia peripheroacuta
 * †Globorotalia peripheroronda
 * †Globorotalia pseudomiocenica
 * Globularia
 * †Globularia morgani
 * Glycymerididae - Glycymeris inflata.JPG [[Glycymeris]]
 * †Glycymeris arctata
 * †Glycymeris filosa
 * †Glycymeris idonea
 * †Glycymeris intercostata
 * †Glycymeris lisbonensis
 * †Glycymeris mississippiensis
 * †Glycymeris suwannensis
 * †Glycymeris wautubbeana
 * Glyptemys
 * †Glyptemys insculpta
 * Glyptoactis
 * †Glyptoactis alticostata
 * †Glyptoactis complexicosta
 * †Glyptoactis trapaquara
 * †Glyptotoma
 * †Glyptotoma conradiana
 * †Glyptotoma crassiplicata
 * Gonimyrtea
 * †Gonimyrtea curta
 * †Gracilocyon
 * †Gracilocyon igniculus – type locality for species
 * Graptemys
 * †Gryphaeostrea
 * †Gryphaeostrea plicatella

H

 * Haliris
 * †Haliris mississippiensis
 * †Haliris quadrangularis
 * Hanzawaia
 * †Hanzawaia strattoni
 * †Haplomylus
 * †Haplomylus meridionalis – type locality for species
 * Harpa
 * †Harpa vicksburgiana – type locality for species
 * Zanthopsidae - Harpactocarcinus punctulatus.JPG †[[Harpactocarcinus]]
 * Hastula
 * †Hastula houstonia
 * Haustator
 * †Haustator carinata
 * †Haustator perdita
 * †Haustator rina
 * †Haustator rivurbana
 * †Heliconoides
 * †Heliconoides inflata – or unidentified comparable form
 * Fossil maxilla Hemiauchenia Boulle.png relative Hemiauchenia]] †Hemiauchenia
 * †Hemiauchenia macrocephala
 * Hemipristis
 * †Hemipristis wyattdurhami
 * †Hemisurcula
 * †Hemisurcula hicoicola
 * †Hemisurcula hicoricola
 * †Hemisurcula perexilis
 * †Hesperiturris
 * †Hesperiturris nodocarinatus
 * †Hesperotestudo
 * †Hesperotestudo crassiscutata
 * Hornhai (Heterodontus francisci).JPG [[Heterodontus]]
 * †Heterodontus sowasheense – type locality for species
 * Heteropora
 * †Heteropora amaena
 * †Heteropora ovalis
 * Hexaplex
 * †Hexaplex engonatus
 * †Hexaplex katherinae
 * †Hexaplex marksi
 * †Hexaplex silvatucus
 * †Hexaplex supernus
 * †Hexaplex vanuxemi
 * †Hilgardia
 * †Hilgardia coelatoides
 * †Hilgardia multilineata
 * Hincksina – tentative report
 * †Hincksina ocalensis
 * Hippomenella
 * †Hippomenella crassicollis
 * †Hippomenella punctata
 * †Hippomenella radicata
 * †Hippomenella rotula – type locality for species
 * [[File:Hipponix antiquatus (white hoof snail) (San Salvador Island, Bahamas) 2 (16003468958).jpg|thumb|upright=0.641|Shell of a Hipponix, or hoof sea snail]] [[Hipponix]]
 * †Hipponix – type locality for species informal
 * †Hipponix n.sp informal
 * †Hipponix pygmaea
 * †Hipponix pygmaeus
 * Hippoporina
 * †Hippoporina lucens
 * †Hippozeugosella
 * †Hippozeugosella arcuata
 * †Hippozeugosella marginata
 * Homo
 * †Homomya
 * †Homomya hamatoides
 * Hornera
 * †Hornera polyporoides
 * Hyracotherium leporinum.jpg †[[Hyracotherium]]

I

 * Idmonea
 * †Idmonea magna
 * †Idmonea milneana
 * †Idmonea petri
 * †Idmonea triforata
 * †Infracoronia
 * †Infracoronia ludoviciana
 * Shortfin mako swfsc.jpg [[Isurus]]
 * †Isurus praecursor

J

 * †Jaekelotodus – tentative report
 * †Jefitchia
 * †Jefitchia claybornensis
 * Jouannetia
 * †Jouannetia triquetra

K

 * †Kapalmerella
 * †Kapalmerella alveata
 * †Kapalmerella arenicola
 * Kellia
 * †Kellia interstriata
 * Kelliella
 * †Kelliella boettgeri
 * †Kelliella rufaripa – type locality for species
 * †Kleidionella
 * †Kleidionella grandis
 * Serpula grandis - Aalen.JPG [[Kuphus]]
 * †Kuphus incrassatus

L

 * Lacerna
 * †Lacerna jacksonensis
 * †Lacinia
 * †Lacinia alveata
 * Laevicardium
 * †Laevicardium gardnerae
 * †Laevicardium leptorimum – type locality for species
 * Lamna
 * †Lamna lerichei
 * †Lapparia
 * †Lapparia dumosa
 * †Lapparia exigua
 * †Lapparia mooreana
 * Latirus sp 001.jpg [[Latirus]]
 * †Latirus aldrichi – type locality for species
 * †Latirus humilior
 * †Latirus indistinctus
 * †Latirus mississippiensis
 * †Latirus moorei
 * †Latirus protractus
 * †Latirus suturalis
 * Leiosella
 * †Leiosella orbicularia – type locality for species
 * †Lepidocyclina
 * †Lepidocyclina supera
 * Longnose gar.png [[Lepisosteus]]
 * †Lepisosteus suessionensis
 * †Levifusus
 * †Levifusus branneri
 * †Levifusus hubbard
 * †Levifusus moodianus
 * †Levifusus mortonii
 * †Levifusus mortoniopsis
 * †Levifusus nodulatum
 * †Levifusus spiniger
 * Lichenopora
 * †Lichenopora grignonensis
 * Lima
 * †Lima bastropensis
 * LimacinaHelicinaNOAA.jpg [[Limacina]]
 * Limaria
 * †Limaria staminea
 * Limopsis
 * †Limopsis aviculoides
 * †Limopsis radiata
 * Linga
 * †Linga pomilia
 * †Lirodiscus
 * †Lirodiscus jacksonensis
 * †Lirodiscus pretriangulata
 * †Lirodiscus protractus
 * †Lirodiscus psychopterus
 * †Lirodiscus smithvillensis
 * †Lirofusus
 * †Lirofusus thoracicus
 * Lirophora
 * †Lirophora victoria
 * †Lithophysema
 * †Lithophysema grande
 * Litiopa
 * †Litiopa spirata
 * †Litorhadia
 * †Litorhadia compsa
 * †Litorhadia mater
 * Lopha
 * †Lopha vicksburgensis
 * Monkfish.jpg [[Lophius]]
 * †Lophius sagittidens
 * †Lophoranina
 * †Lophoranina georgiana
 * Lucina
 * †Lucina fimbripallium – type locality for species
 * †Lucina ozarkana – tentative report
 * †Lucina papyracea
 * †Lucina pomilia
 * †Lucina subcurta
 * Lucinisca
 * †Lucinisca varisculpta – type locality for species
 * Lunularia cruciata.jpg, or crescent-cup liverwort]] Lunularia''
 * †Lunularia fenestrata
 * †Lunularia jacksonensis
 * †Lunularia ligulata – type locality for species
 * †Lunularia tintinabula
 * Lunulites
 * †Lunulites bouei
 * †Lunulites fenestrata
 * †Lunulites jacksonensis
 * †Lunulites truncata
 * Lyria
 * †Lyria mississippiensis
 * †Lyria nestor
 * †Lyrischapa
 * †Lyrischapa harrisi – type locality for species
 * †Lyropecten
 * †Lyropecten menthifontis
 * †Lyrosurcula
 * †Lyrosurcula dalli
 * †Lyrosurcula shaleri

M

 * Macrocallista
 * †Macrocallista sylvaerupis
 * Mactra
 * †Mactra inornata
 * Madracis
 * †Madracis gregoriori
 * †Mammut
 * Mammut americanum Sergiodlarosa.jpg †[[Mammut americanum]]
 * Maretia
 * †Maretia arguta – type locality for species
 * Margaretta
 * †Margaretta vicksburgica
 * Marginella
 * †Marginella constrichtoides
 * †Marginella constrictoides
 * †Marginella silabra
 * †Mastigophora
 * †Mastigophora hyndmanni
 * Mathilda
 * †Mathilda regularis
 * †Mathilda retisculpta
 * †Mazzalina
 * †Mazzalina inaurata
 * Mecynoecia
 * †Mecynoecia semota
 * Megalonyx wheatleyi - AMNH - DSC06327.JPG †[[Megalonyx]]
 * †Megalonyx jeffersonii
 * Melanella
 * †Melanella amnicreta
 * †Melanella jacksonensis
 * †Melanella postnotata
 * Membraniporidra
 * †Membraniporidra oecioporosa
 * †Membraniporidra spissimuralis
 * †Meniscopora
 * †Meniscopora elliptica
 * †Meridiania – type locality for genus
 * †Meridiania convexa – type locality for species
 * Mesalia
 * †Mesalia allentonensis
 * †Mesalia claibornensis
 * †Mesalia vetusta
 * Knight Metamynodon.jpg †[[Metamynodon]]
 * †Metamynodon planifrons
 * †Metradolium
 * †Metradolium sulciferum – type locality for species
 * Metrarabdotos
 * †Metrarabdotos grande – type locality for species
 * †Metrarabdotos moniliferum
 * Metula
 * †Metula fastidiosa
 * †Metula fragilis
 * †Metula gentilicia
 * †Metula inflata – type locality for species
 * †Metula neptuneiformis – type locality for species
 * †Metula subgracilis
 * Miacis cropped.png †[[Miacis]]
 * †Michela
 * †Michela trabeatoides
 * †Micrdodrillia
 * †Micrdodrillia vicksburgella
 * Microdrillia
 * †Microdrillia brevis
 * †Microdrillia cossmanni
 * †Microdrillia infans
 * †Microdrillia ouachitae
 * †Microdrillia robustula
 * †Microdrillia vicksburgella
 * †Microscyliorhinus – type locality for genus
 * †Microscyliorhinus leggetti – type locality for species
 * †Microsurcula
 * †Microsurcula intacta
 * †Microsurcula mentha – type locality for species
 * †Microsurcula nucleola
 * Miltha
 * †Miltha gaufia
 * Mimoperadectes.jpg †[[Mimoperadectes]]
 * †Mimoperadectes sowasheensis
 * Mitra
 * †Mitra conquista
 * †Mitra mississippiensis
 * Mitrella
 * †Mitrella bastropensis
 * †Mitrella bucciniformis
 * †Mitrella fuscicava
 * †Mitrella oryzoides – or unidentified related form
 * †Mitrella parva
 * Mnestia
 * †Mnestia meyeri
 * Modiolus – tentative report
 * Morum
 * †Morum harpula
 * Mulinia
 * †Mulinia lateralis
 * Murex pecten shell 3.jpg [[Murex]]
 * †Murex angulatus
 * †Murex fusates
 * †Murex migus
 * Murexiella
 * †Murexiella vaughani – type locality for species
 * †Murotriton
 * †Murotriton mcglameriae
 * Mustelus
 * †Mustelus rodgersi
 * Myliobatis
 * †Myliobatis dixoni
 * Mylodon darwini cropped.png †[[Mylodon]]
 * Myrtea
 * †Myrtea curta
 * †Myrtea scopularis
 * †Myrtea vicksburgensis
 * †Mytea
 * †Mytea vicksburgensis

N

 * Nannippus jaw.JPG †[[Nannippus]]
 * †Nannippus minor
 * †Naranius
 * †Naranius americanus – type locality for species
 * Nassarius
 * †Nassarius albirupina
 * †Nassarius exilis
 * †Nassarius hilli
 * †Nassarius jacksonensis
 * †Nassarius macilenta
 * †Nassarius mississippiensis
 * †Natchitochia
 * †Natchitochia jonesi
 * Natica crassa 01.JPG [[Natica]]
 * †Natica acuticallosa
 * †Natica aperta
 * †Natica caseyi
 * †Natica mississippiensis
 * †Natica pennunda
 * †Natica permunda
 * Naticarius
 * †Naticarius acuticaliosa – type locality for species
 * †Naticarius semilunata
 * Nebrius ferrugineus cropped.jpg [[Nebrius]]
 * †Nebrius thielensis
 * Nellia
 * †Nellia bifaciata
 * †Nellia tenella
 * Nemocardium
 * †Nemocardium diversum
 * †Nemocardium eocenense
 * †Nemocardium harrisi
 * †Nemocardium nicoletti
 * †Nemocardium nicolletti
 * Atlantic Moon Snail 001.jpg [[Neverita]]
 * Niso
 * †Niso umbilicata
 * Nonion
 * †Nonion depressulum
 * †Nonion plnatum
 * Norrisia
 * †Norrisia micromphala
 * †Notiotitanops – type locality for genus
 * †Notiotitanops mississippiensis – type locality for species
 * †Nucleopsis
 * †Nucleopsis subvaricata
 * Nuculidae - Nucula piacentina.jpg [[Nucula]]
 * †Nucula magnifica
 * †Nucula mauricensis
 * †Nucula ovula
 * †Nucula smithvillensis
 * †Nucula sphenopsis
 * †Nucula tallahalaensis – type locality for species
 * †Nucula vicksburgensis
 * †Nucula yazooensis
 * Nuculana
 * †Nuculana akidota – type locality for species
 * †Nuculana linifera
 * †Nuculana multilineata
 * †Nuculana smithvillensis – or unidentified comparable form
 * †Nuculana spheniopsis
 * †Nuculana wautubbeana

O

 * †Ochetosella
 * †Ochetosella jacksonica
 * Oculina
 * †Oculina aldrichi – type locality for species
 * †Oculina harrisi – type locality for species
 * Odontaspis ferox 3.jpg [[Odontaspis]]
 * †Odontaspis borodini – type locality for species
 * †Odontaspis hopei
 * †Odontaspis hynei – type locality for species
 * †Odontaspis speyeri
 * †Odontaspis substriatus
 * †Odontaspis winkleri
 * †Odontogryphaea
 * Odostomia
 * †Odostomia boettgeri
 * †Odostomia byramensis – type locality for species
 * †Odostomia jacksonensis
 * †Odostomia melanella
 * †Odostomia vicksburgella – type locality for species
 * †Ogivalina
 * †Ogivalina elongata
 * †Oligotresium
 * †Oligotresium vicksburgensis
 * Oliva
 * †Oliva affluens
 * †Oliva mississippiensis
 * Oncousoecia
 * †Oncousoecia quinqueseriata – type locality for species
 * Onychocella
 * †Onychocella celsa
 * Ophiomorpha.jpg †[[Ophiomorpha]]
 * †Orthosurcula
 * †Orthosurcula byramensis
 * †Orthosurcula langdoni
 * †Orthosurcula longiforma
 * Orthoyoldia
 * †Orthoyoldia psammotaea
 * †Orthoyoldia rubamnis
 * Osthimosia
 * †Osthimosia glomerata
 * Ostrea
 * †Ostrea brevifronta
 * †Ostrea falco
 * †Ostrea paroxis
 * †Ostrea pulaskensis
 * †Ostrea sinuosa – or unidentified comparable form
 * †Ostrea westi
 * Otionella
 * †Otionella perforata
 * †Otionella tuberosa
 * Otodus obliquus multiple 021313.JPG †[[Otodus]]
 * †Otodus angustidens
 * †Otolithus
 * †Otolithus americanus
 * †Otolithus brevior
 * †Otolithus claybornensis
 * †Otolithus comes
 * †Otolithus cor
 * †Otolithus debilis
 * †Otolithus elegantus
 * †Otolithus glaber
 * †Otolithus hospes
 * †Otolithus insuetus
 * †Otolithus laevigatus
 * †Otolithus meyeri
 * †Otolithus sector
 * †Otolithus similis
 * †Otolithus sulcatus
 * †Otostomia
 * †Otostomia melanella
 * †Ottoina
 * †Ottoina kinkelini
 * †Oxyrhina
 * †Oxyrhina praecursor

P

 * †Pachecoa
 * †Pachecoa catonis
 * †Pachecoa declivis
 * †Pachecoa pulchra
 * †Pachygaleus
 * †Pachygaleus lefevrei
 * †Palaeocybium
 * †Palaeocybium proosti
 * Palaeophis maghrebianus life restoration cropped.jpg †[[Palaeophis]]
 * †Palaeophis casei – type locality for species
 * †Palaeophis littoralis
 * †Palaeophis virginianus
 * †Palaeosinopa
 * †Palaeosinopa aestuarium – type locality for species
 * Panopea
 * †Panopea bitruncata
 * †Panopea oblongata
 * Panthera
 * Lion (Panthera leo) (30941994012) cropped.jpg †[[Panthera leo]]
 * †Papillina
 * †Papillina dumosa
 * Paracyathus
 * †Paracyathus alternatus
 * †Paracyathus bellus – type locality for species
 * †Paramys
 * †Paramys dispar – type locality for species
 * Parvilucina
 * †Parvilucina posteocurta – type locality for species
 * †Patulaxis
 * †Patulaxis scrobiculata
 * Pecten
 * †Pecten byramensis
 * †Pecten perplanus
 * †Pecten poulsoni
 * Penion
 * †Penion bellus
 * Peratherium cropped.png †[[Peratherium]]
 * †Peratherium macgrewi
 * †Periarchus
 * †Periarchus lyelli
 * Perigastrella
 * †Perigastrella oscitans – type locality for species
 * †Perigastrella plana
 * †Perigastrella rectilineata
 * Periploma
 * †Periploma claibornense
 * †Periploma macneili – type locality for species
 * †Peristomella
 * †Peristomella laticella
 * Petaloconchus
 * †Petaloconchus transcostatus – type locality for species
 * Petrophyllia
 * †Petrophyllia vicksburgensis
 * Cassidae - Phalium flammiferum.JPG [[Phalium]]
 * †Phalium brevicostatum
 * †Phalium johnsoni
 * †Phalium menthafons – type locality for species
 * †Phalium mississippiensis
 * †Phalium taitii
 * †Phandella
 * †Phandella nepionica
 * †Phandella transemma – type locality for species
 * Philine
 * †Philine dockeryi
 * Pholadomya
 * Pholas
 * Phos muriculatus 002.jpg [[Phos]]
 * †Phos jacksonense
 * †Phos sagenum
 * †Phos texanum
 * †Phos texanus
 * †Phos vicksburgensis
 * Phyllodus
 * †Phyllodus toliapicus
 * Phyllonotus
 * †Phyllonotus mississippiensis
 * †Physogaleus
 * †Physogaleus americanus – type locality for species
 * †Physogaleus tertius
 * †Pisodus
 * †Pisodus oweni
 * Veneridae - Pitar lupanaria.JPG [[Pitar]]
 * †Pitar aldrichi – type locality for species
 * †Pitar astartiformis
 * †Pitar calcanea
 * †Pitar imitabilis
 * †Pitar megacostata – type locality for species
 * †Pitar nuttalliopsis
 * †Pitar perbrevis
 * †Pitar petroplitanus
 * †Pitar petropolitanus
 * †Pitar protena – type locality for species
 * †Pitar securiformis
 * †Pitar semipunctata
 * †Pitar texacola
 * †Pitar trigoniata
 * †Plagiarca
 * †Plagiarca rhomboidella
 * †Plagioctenodon
 * †Plagioctenodon dormaalensis
 * Plagioecia
 * †Plagioecia hirta
 * †Platycoenia – type locality for genus
 * †Platycoenia jacksonensis – type locality for species
 * †Platyoptera
 * †Platyoptera extenta
 * Platyrhina sinensis.jpg [[Platyrhina]]
 * †Platyrhina dockeryi – type locality for species
 * Platytrochus
 * †Platytrochus elegans
 * †Platytrochus goldfussi
 * †Platytrochus stokesi
 * Plectodon
 * †Plectodon intastriata
 * Pleurofusia
 * †Pleurofusia clarkeana
 * †Pleurofusia collaris
 * †Pleurofusia danvicola
 * †Pleurofusia decliva
 * †Pleurofusia elegantula – type locality for species
 * †Pleurofusia fessa – type locality for species
 * †Pleurofusia fluctuosa
 * †Pleurofusia hilgardi
 * †Pleurofusia hiwanneensis – type locality for species
 * †Pleurofusia longirostropis
 * †Pleurofusia longirostropsis
 * †Pleurofusia oblivia
 * †Pleurofusia servata
 * †Pleuroliria
 * †Pleuroliria cochlearis
 * †Pleuroliria jacksonella
 * †Pleuroliria subsimilis
 * Pleuromeris
 * †Pleuromeris inflatior
 * †Pleuromeris inflator
 * †Pleuromeris parva
 * †Pleuromeris quadrata
 * †Pleuromeris tortidens
 * †Pleuronea
 * †Pleuronea fenestrata
 * †Pleuronea subpertusa
 * 2008-04-27 Pleurostoma vibratilis 53100.jpg †[[Pleurostoma]]
 * †Pleurostoma adolescens
 * †Pleurostoma rebeccae
 * Pleurotoma
 * †Pleurotoma cristata - original combination for Cochlespira cristata; type species for Cochlespira
 * Plicatula
 * †Plicatula filamentosa
 * †Plicatula variplicata – type locality for species
 * Pliciscala
 * †Pliciscala albitesta
 * †Pliciscala byramensis – type locality for species
 * †Pliciscala caseyi – type locality for species
 * †Pliciscala cribrum
 * †Pliciscala pearlensis
 * Poirieria zelandicus underside).JPG [[Poirieria]]
 * †Poirieria macneili – type locality for species
 * Polinices
 * †Polinices aratus
 * †Polinices weisbordi
 * †Polyascosoecia
 * †Polyascosoecia imbricata
 * Polyschides
 * †Polyschides margarita
 * Porella
 * †Porella compacta – type locality for species
 * †Porella coronata
 * †Porella granulosa
 * †Porella irregularis
 * †Porella jacksonica
 * †Porella pungens
 * Poromya
 * †Poromya mississippiensis
 * †Potamides
 * †Priscoficus
 * †Priscoficus juvenis
 * Pristis pristis - Georgia Aquarium Jan 2006.jpg [[Pristis]]
 * †Pristis lathami
 * Proboscina
 * †Proboscina geminata
 * †Projenneria
 * †Projenneria ludoviciana
 * †Protoscutella
 * †Protoscutella mississippensis
 * †Protoscutella mississippiensis – type locality for species
 * †Protosurcula
 * †Protosurcula gabbii
 * †Prototomus
 * Prunum fulminatum 001.jpg [[Prunum]]
 * †Prunum columba
 * Pseudamussium
 * †Pseudamussium corneoides
 * †Pseudodontaspis
 * †Pseudodontaspis lauderdalensis – type locality for species
 * †Pseudodontaspis mississippiensis – type locality for species
 * †Pseudofulgur – type locality for genus
 * †Pseudofulgur lirata – type locality for species
 * †Pseudofulgur vicksburgensis
 * †Pseudolatirus
 * †Pseudolatirus tortilis
 * Pseudoliva
 * †Pseudoliva perspectiva
 * †Pseudoliva santander
 * †Pseudoliva vestusta
 * †Pseudoliva vetusta
 * Pseudomalaxis
 * †Pseudomalaxis rotella
 * Pteria
 * †Pteria argentea
 * †Pteria limula
 * †Pteria vanwinkleae
 * †Pterochelus
 * †Pterochelus angelus
 * †Pteropsella
 * †Pteropsella lapidosa
 * †Pterosphenus
 * †Pterosphenus schucherti
 * Pterynotus pinnatus shell.jpg [[Pterynotus]]
 * †Pterynotus burnsii
 * Puellina
 * †Puellina radiata
 * Puncturella
 * †Puncturella jacksonensis
 * Pycnodonte
 * †Pycnodonte johnsoni
 * †Pycnodonte trigonalis
 * †Pycnodonte vicksburgensis
 * Pycnodus platessus.jpg [[Pycnodus]]
 * †Pycnodus bowerbanki
 * Pyramidella
 * †Pyramidella bastropensis
 * †Pyramidella crassispirata
 * †Pyramidella dalli
 * †Pyramidella meyeri
 * †Pyramidella propeacicula
 * †Pyramidella pseudopymaea
 * †Pyramimitra
 * †Pyramimitra quadralirata
 * †Pyramimitra terebraeformis
 * Pyrunculus
 * †Pyrunculus laevipyrum

R

 * Rangia
 * †Rangia cuneata
 * †Rangia johnsoni
 * Raphitoma
 * †Raphitoma veatchi – or unidentified comparable form
 * †Rectonychocella
 * †Rectonychocella tenuis
 * [[File:Reteporella grimaldii Julien in Julien & Calvet, 1903 - Banyuls-sur-Mer - 04-85 .jpg|thumb|upright=0.774|Living Reteporella bryozoan ("moss animal")]] [[Reteporella]]
 * †Reteporella laciniosa
 * Retusa
 * †Retusa galba
 * †Retusa jacksonensis
 * †Retusa sylvaerupis
 * Rhinobatos
 * Rhinoptera steindachneri.jpg [[Rhinoptera]]
 * Rhizorus – or unidentified comparable form
 * †Rhizorus volutatus
 * Rhynchoconger
 * †Rhynchoconger sanctus
 * Rictaxis
 * †Rictaxis andersoni
 * Ringicula
 * †Ringicula biplicata
 * †Ringicula crassata – type locality for species
 * †Ringicula mississippiensis
 * Rissoina
 * †Rissoina mississippiensis

S

 * †Sablea
 * †Sablea minuta
 * Saccella
 * †Saccella catasarca
 * †Saccella robusta
 * †Samelina
 * †Samelina pilsbryi
 * Sassia semitorta.jpg [[Sassia]]
 * †Sassia abbreviata
 * †Sassia conradiana
 * †Sassia jacksonensis
 * †Sassia septemdentata
 * †Saxolucina
 * †Saxolucina gaufia
 * Scalina
 * †Scalina rubricollis
 * †Scalina trapaquara
 * †Scalina trigintanaria
 * Scaphander
 * †Scaphander hilgardi – type locality for species
 * †Scaphander jacksonensis
 * †Scaphander primus
 * Scapharca
 * †Scapharca chordicosta – type locality for species
 * †Scapharca delicatula
 * †Scapharca invidiosa
 * Scaphella – or unidentified comparable form
 * †Schizaropsis
 * †Schizaropsis convexus
 * Schizasteridae - Schizaster species.JPG [[Schizaster]]
 * †Schizaster americanus
 * †Schizaster armiger
 * Schizomavella
 * †Schizomavella longirostris – type locality for species
 * †Schizopodrella
 * †Schizopodrella viminea
 * †Schizorthosecos
 * †Schizorthosecos grandiporosus
 * †Schizorthosecos interstitea
 * †Schizorthosecos interstitia
 * †Schyliorhinus
 * †Schyliorhinus enniskilleni
 * Scobinella
 * †Scobinella caelata
 * †Scobinella famelica
 * †Scobinella ferrosilica
 * †Scobinella hammettensis
 * †Scobinella jacksonensis
 * †Scobinella louisianae
 * †Scobinella macer
 * †Scobinella newtonensis
 * †Scobinella pluriplicata
 * †Scobinella reticulatoides
 * Sconsia
 * †Sconsia lintea
 * †Sconsia prelintea – type locality for species
 * Scrupocellaria
 * †Scrupocellaria clausa
 * †Scrupocellaria cookei
 * †Scrupocellaria williardi
 * Acuario Sevilla crias alitan.JPG [[Scyliorhinus]]
 * †Scyliorhinus gilberti
 * Seila
 * †Seila constricta
 * †Seila quadristriaris
 * Semele
 * †Semele mississippiensis
 * †Semele staminea
 * Semelina
 * †Semelina pilsbryi
 * Semicassis granulata.jpg [[Semicassis]]
 * †Semicassis caelatura
 * Septifer
 * †Septifer probolus – type locality for species
 * †Seraphs
 * Serpulorbis
 * †Serpulorbis squamulosus
 * Sigatica
 * †Sigatica boettgeri
 * †Sigatica clarkeana
 * †Sigatica conradii
 * †Sinistrella
 * †Sinistrella americana
 * Sinum cymba 01.JPG [[Sinum]]
 * †Sinum arctatum
 * †Sinum beatricae
 * †Sinum bilix
 * †Sinum danvillense – or unidentified comparable form
 * †Sinum declive
 * †Sinum inconstans
 * †Sinum jacksonense – type locality for species
 * †Sinum mississippiensis
 * †Siphomia
 * †Siphomia claibornensis
 * Buccinidae - Siphonalia pfefferi.JPG [[Siphonalia]]
 * †Siphonalia jacksonia
 * †Siphonalia newtonensis
 * †Siphonalia sullivani
 * Siphonochelus
 * †Siphonochelus curvirostratus
 * †Siphonochelus gracilis
 * Skena
 * †Skena pignus
 * Smittina
 * †Smittina angulata
 * †Smittina denticulifera
 * Solariella sanjuanensis 002.jpg [[Solariella]]
 * †Solariella cancellata
 * †Solariella louisiana
 * †Solariella menthafontis – type locality for species
 * †Solariella stalagmium
 * †Solariella sylvaerupis
 * †Solariella tallahalaensis – type locality for species
 * †Solariella tricostata
 * Solariorbis
 * †Solariorbis quadrangularis
 * †Solariorbis subangulatus
 * †Solariorbus
 * †Solariorbus subangulatus
 * Bivalvia fossils cropped.jpg [[Solecurtus]]
 * †Solecurtus vicksburgensis
 * Solena
 * †Solena abruptus
 * †Solena lisbonensis
 * †Sphaerocypraea
 * †Sphaerocypraea jacksonensis – type locality for species
 * Spheniopsis
 * †Spheniopsis mississippiensis
 * †Sphraena
 * †Sphraena major – or unidentified comparable form
 * barracuda laban.jpg [[Sphyraena]] – tentative report
 * †Spiradaphne
 * †Spiradaphne lowei
 * Spisula
 * †Spisula funerata
 * †Spisula inaequilateralis
 * †Spisula jacksonensis
 * †Spisula mississippiensis
 * †Spisula parilis
 * †Spisula praetanius
 * †Spisula praetenuis
 * Spondylus.jpg [[Spondylus]]
 * †Spondylus dumosus
 * †Spondylus filiaris
 * Sportella
 * †Sportella oblonga
 * †Stamenocella
 * †Stamenocella anatina
 * †Stamenocella grandis
 * †Stamenocella inferaviculifera
 * †Stamenocella pyriforme
 * †Steganoporella
 * †Steganoporella jacksonica
 * †Steganoporella rectangularia
 * Sthenorytis
 * †Sthenorytis witfieldi
 * †Strepsidura
 * †Strepsidura heilprini
 * †Streptochetus
 * †Streptochetus limulus
 * Odontaspididae - Striatolamia whitei.JPG †[[Striatolamia]]
 * †Striatolamia macrota
 * Strioterebrum
 * †Strioterebrum tantula
 * †Stromatopora
 * †Stromatopora parvipora
 * †Stromatopora polygonma
 * Strombiformis
 * †Strombiformis caseyi
 * Knight Caenopus.jpg †[[Subhyracodon]]
 * †Subhyracodon occidentalis
 * †Sulcocypraea
 * †Sulcocypraea healeyi
 * †Sulcocypraea kennedyi
 * †Sulcocypraea lintea
 * †Sulcocypraea vaughani
 * †Sullivania
 * †Sullivania fisherensis
 * †Sullivania hicoricola
 * †Sullivania perexilis
 * †Surculoma
 * †Surculoma falsabenes
 * †Surculoma kellogii
 * †Surculoma penrosei
 * †Surculoma subequalis
 * Sveltella
 * †Sveltella parva
 * †Sveltella sotoensis
 * Syntomodrillia
 * †Syntomodrillia collarubra – type locality for species
 * †Syntomodrillia funis – type locality for species
 * †Syntomodrillia tantula
 * †Syphraena

T

 * †Talpavoides
 * †Talpavoides dartoni
 * Teilhardina fossil cropped.png †[[Teilhardina]]
 * †Teilhardina magnoliana
 * Teinostoma
 * †Teinostoma caseyi
 * †Teinostoma minuta – type locality for species
 * †Teinostoma moodiense
 * †Teinostoma neodiensa
 * †Teinostoma verrilli
 * Tellidorella
 * †Tellidorella interlacinia – type locality for species
 * Tellina fabula.jpg [[Tellina]]
 * †Tellina linifera
 * †Tellina lintea
 * †Tellina pearlensis
 * †Tellina petropolitana
 * †Tellina serica
 * †Tellina subprotexta – type locality for species
 * †Tellina subtriangularis
 * †Tellina vicksburgensis
 * Tenagodus
 * †Tenagodus vitis
 * †Tenegodus
 * †Tenegodus vitis
 * Tenuiscala
 * †Tenuiscala aspersa
 * Terebra dislocata.jpg [[Terebra]]
 * †Terebra divisura
 * †Terebra hiwanneensis – type locality for species
 * †Terebra jacksonensis
 * †Terebra tantula
 * †Terebra texagyra
 * †Terebrifusus
 * †Terebrifusus multiplicatus
 * Teredo
 * †Teredo mississippiensis
 * Terrapene
 * Three-toed Box Turtle.jpg †[[Terrapene carolina]]
 * †Terrebrifusus
 * †Terrebrifusus amoenus
 * †Testallium
 * †Testallium vetustum
 * Thracia
 * †Thracia vicksburgensis
 * †Thracia vicksburgiana
 * †Tiburnus
 * †Tiburnus eboreus
 * †Tiza
 * †Tiza alta
 * †Tornatellaea
 * †Tornatellaea bella
 * †Tornatellaea lata
 * Tornus
 * †Tornus infraplicatus
 * Cardiidae - Trachycardium multicostatum.JPG [[Trachycardium]]
 * †Trachycardium eversum
 * †Trachycardium planicostata – type locality for species
 * †Transovula
 * †Transovula symmetrica
 * †Tretocycloecia
 * †Tretocycloecia grandis
 * Trigonopora
 * †Trigonopora grande
 * Trigonostoma
 * †Trigonostoma aurorae – tentative report
 * †Trigonostoma babylonicum
 * †Trigonostoma gemmatum
 * †Trigonostoma panones
 * Trigonulina
 * †Trigonulina sotoensis
 * †Trinacria
 * †Trinacria menthifontis – type locality for species
 * Triphora
 * †Triphora bilineata
 * †Triphora major
 * †Triphora meridionalis
 * †Tritaria
 * †Tritaria falsus
 * †Tritaria macilenta
 * †Tritonatractus
 * †Tritonatractus montgomeriensis
 * †Tritonatractus pearlensis
 * Trochita
 * †Trochita aperta
 * Trochocyathus
 * †Trochocyathus depressus – type locality for species
 * †Tropisurcula
 * †Tropisurcula caseyi
 * †Tropisurcula crenula – tentative report
 * †Trygon
 * †Trygon jaekeli
 * †Trypanotoma
 * †Trypanotoma longispira
 * †Trypanotoma terebriformis
 * Trypostega
 * †Trypostega venusta
 * Tubiola
 * †Tubiola nautiloides
 * Tudicla – or unidentified comparable form
 * †Turbinolia
 * †Turbinolia dickersoni – type locality for species
 * †Turbinolia insignifica – type locality for species
 * †Turbinolia pharetra
 * †Turbinolia vicksburgensis – type locality for species
 * †Turbinolia wautubbeensis – type locality for species
 * Turbonilla acutissima.png [[Turbonilla]]
 * †Turbonilla leafensis – type locality for species
 * †Turbonilla major
 * †Turbonilla mississippiensis
 * Turricula
 * †Turricula byramensis – type locality for species
 * †Turricula longiforma
 * †Turricula plenta
 * †Turricula plutonica
 * Turris – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Turris exsculpata
 * Turritellatricarinata.jpg [[Turritella]]
 * †Turritella boycensis – type locality for species
 * †Turritella carota
 * †Turritella caseyi – type locality for species
 * †Turritella clevelandia
 * †Turritella dobyensis
 * †Turritella dutexata
 * †Turritella ghigna
 * †Turritella gilberti
 * †Turritella jacksonensis
 * †Turritella mississippiensis
 * †Turritella mundula – type locality for species
 * †Turritella nasuta
 * †Turritella planigyrata
 * †Turritella premimetes – or unidentified related form
 * †Turritella rubricollis – type locality for species
 * †Turritella saffordi
 * †Turritella tennesseensis
 * †Tuscahomaophis – type locality for genus
 * †Tuscahomaophis leggetti – type locality for species
 * †Tuscahomys
 * †Tuscahomys major
 * †Tuscahomys medius
 * †Tuscahomys minor
 * Typhina
 * †Typhina mississippiensis – type locality for species
 * †Typhina palmerae
 * Typhis
 * †Typhis dentatus

U

 * †Uintacyon
 * Umbraculum
 * †Umbraculum planulatum
 * †Unitas
 * †Unitas pearlensis
 * Uromitra
 * †Uromitra grantensis
 * Urosalpinx
 * †Urosalpinx aspinosus
 * Ursus
 * 01 Schwarzbär cropped.jpg †[[Ursus americanus]]

V

 * †Varicobela
 * †Varicobela aldrichi – type locality for species
 * †Varicobela smithii
 * †Vassacyon
 * Vasinae in Tide pools in Mombasa.jpg [[Vasum]]
 * †Vasum humerosum
 * Venericardia
 * †Venericardia apodensata
 * †Venericardia bashiplata
 * †Venericardia carsonensis
 * †Venericardia claiboplata
 * †Venericardia densata
 * †Venericardia diversidentata
 * †Venericardia francescae
 * †Venericardia hatcheplata
 * †Venericardia horatiana
 * †Venericardia klimacodes
 * †Venericardia mediaplata
 * †Venericardia nanaplata
 * †Venericardia planicosta
 * †Venericardia rotunda
 * Venus – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Venus jacksonensis
 * Verticordia
 * †Verticordia cossmanni
 * †Verticordia dalliana
 * †Verticordia quadrangularis
 * †Verticordia sotoensis
 * †Vetidrillia – type locality for genus
 * †Vetidrillia palmerae – type locality for species
 * Vexillum
 * †Vexillum cellulifera
 * †Vexillum cervilirata – type locality for species
 * †Vexillum laevicostata – type locality for species
 * †Vexillum lintoidea
 * †Vexillum multiostata – type locality for species
 * †Vexillum tallahalaensis – type locality for species
 * Vitrinella
 * †Vitrinella laevis
 * †Viverravus
 * †Viverravus laytoni
 * †Viverriscus – type locality for genus
 * †Viverriscus omnivorus – type locality for species
 * †Vokesula
 * †Vokesula aldrichi
 * †Vokesula smithvillensis
 * Volema paradisiaca Röding, 1798 (4520569389).jpg [[Volema]]
 * †Volema hopkinsi – type locality for species
 * †Volvaria
 * †Volvaria reticulata
 * Volvulella
 * †Volvulella subspinosa – type locality for species

W

 * †Wyonycteris
 * †Wyonycteris primitivus – type locality for species

X

 * Xancus
 * †Xancus wilsoni
 * Xenophoridae - Xenophora infundibulum.jpg [[Xenophora]]
 * †Xenophora conica
 * †Xenophora humilis
 * †Xenophora reclusa
 * †Xiphiorhynchus
 * †Xiphiorhynchus eocaenicus – or unidentified comparable form
 * Xylophaga – tentative report
 * †Xylophaga mississippiensis

Y

 * Yoldia
 * †Yoldia clydoniona – type locality for species
 * †Yoldia mater
 * †Yoldia serica

Z

 * Zygorhiza.jpg †[[Zygorhiza]]
 * †Zygorhiza kochii