List of the prehistoric life of Maryland

This list of the prehistoric life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland.

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

Selected Paleozoic taxa of Maryland

 * †Amphiscapha
 * †Amplexopora
 * †Archimylacris
 * †Atrypa
 * †Atrypa reticularis – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Aviculopecten
 * †Bassipterus
 * †Bellerophon
 * Calymene clavicula dorsal.jpg †[[Calymene]]
 * †Calymene camerata
 * †Calymene cresapensis
 * †Calymene niagarensis – or unidentified comparable form
 * †Camarotoechia
 * †Camarotoechia andrewsi
 * †Camarotoechia litchfieldensis
 * †Camarotoechia tonolowayensis
 * †Chonetes
 * †Chonetes novascoticus
 * †Cincinnetina
 * †Cincinnetina multisecta
 * †Clitendoceras
 * †Composita
 * †Composita ovata – tentative report
 * †Cornulites
 * †Cypricardinia
 * †Cypricardinia elegans
 * †Dakeoceras
 * SilurianTrilobite.jpg †[[Dalmanites]]
 * †Dalmanites limulurus
 * †Dolichopterus
 * †Edmondia
 * †Eldredgeops
 * †Eldredgeops rana
 * †Ellesmeroceras
 * †Encrinurus
 * †Eospirifer
 * †Erettopterus – tentative report
 * †Euomphalus
 * †Eurypterus
 * †Eurypterus remipes
 * †Favosites
 * †Favosites niagarensis – or unidentified comparable form
 * †Flexicalymene
 * †Goniatites
 * †Gyrodoma
 * †Hallopora
 * †Holopea
 * †Hyolithes
 * †Isotelus
 * †Lingula
 * Lysorophus.jpg †[[Lysorophus]]
 * †Mcqueenoceras
 * †Megamolgophis
 * †Meristina
 * †Metacoceras
 * †Naticopsis
 * †Neospirifer
 * †Neospirifer dunbari – tentative report
 * †Obolella
 * †Obolus – tentative report
 * †Olenellus
 * †Ormoceras
 * †Orthoceras
 * †Platyceras
 * †Proterocameroceras
 * Pterygotus anglicus reconstruction.jpg †[[Pterygotus]]
 * †Ribeiria
 * †Rioceras
 * Solemya
 * † Solenopsis
 * †Sowerbyella
 * †Spirifer
 * †Spirifer vanuxemi
 * †Stenosiphon
 * †Strophomena
 * †Tainoceras
 * TentaculitidDevonian.jpg †[[Tentaculites]]
 * †Trigonocera
 * †Trimerus
 * †Waeringopterus
 * †Worthenia

Selected Mesozoic taxa of Maryland

 * Acirsa
 * Acrocantosaurus4.jpg †[[Acrocanthosaurus]] – or unidentified comparable form
 * †Acteon
 * †Aenona
 * †Agerostrea
 * †Allognathosuchus – or unidentified comparable form
 * †Allosaurus
 * †Amyda
 * †Ancilla
 * †Anomia
 * †Anomoeodus
 * Arrhoges
 * Astarte
 * Astrodon johnstoni.jpg †[[Astrodon]]
 * †Astrodon johnstoni – type locality for species
 * †Baculites
 * †Baculites baculus
 * †Bottosaurus
 * †Bottosaurus harlani
 * Botula
 * †Botula conchafodentis
 * †Botula ripleyana
 * Cadulus
 * Caestocorbula
 * †Caestocorbula crassaplica
 * †Caestocorbula crassiplica
 * †Caestocorbula percompressa
 * †Caestocorbula terramaria
 * Carcharias
 * †Caveola
 * Ceratodus.jpg †[[Ceratodus (genus)|Ceratodus]]
 * Cerithium
 * Chiloscyllium
 * †Cimoliasaurus
 * †Coelosaurus
 * †Coelosaurus affinis
 * †Coelosaurus antiquus
 * †Coelurus
 * †Coelurus gracilis – type locality for species
 * †Corax
 * Corbula
 * †Crenella
 * †Crenella elegantula
 * †Crenella serica
 * Shark fossil.jpg †[[Cretolamna]]
 * †Cretolamna appendiculata
 * Cucullaea
 * †Cucullaea capax
 * Cuspidaria
 * †Cuspidaria ampulla
 * Cylichna
 * †Cylichna diversilirata
 * †Cylichna incisa
 * †Cylindracanthus
 * †Cymella
 * Dasyatis
 * Deinonychus_ewilloughby.png †[[Deinonychus]]
 * †Deinonychus antirrhopus
 * †Deinosuchus
 * †Deinosuchus rugosus
 * †Dentalium
 * †Dentalium leve
 * †Discoscaphites
 * †Discoscaphites conradi
 * †Discoscaphites gulosus
 * †Discoscaphites iris
 * †Egertonia
 * †Enchodus
 * †Enchodus dirus
 * †Eulima
 * †Eulima monmouthensis
 * †Euspira
 * Eutrephoceras dekayi - Coon Creek Tennessee.jpg †[[Eutrephoceras]]
 * †Ewingia
 * †Exogyra
 * †Exogyra costata
 * Galeorhinus
 * Ginglymostoma
 * Glossus
 * Glycimeris
 * Glycymeris
 * †Glycymeris rotundata
 * †Glyptops
 * †Goniopholis
 * Grallator.jpg †[[Grallator]] – or unidentified comparable form
 * †Halisaurus
 * †Halisaurus platyspondylus
 * †Hamatia – type locality for genus
 * †Hamulus
 * Heterodontus
 * † Heteromorpha
 * †Hoploparia
 * †Hybodus
 * †Hyposaurus
 * †Hyposaurus rogersii
 * †Inoceramus
 * †Ischyodus
 * †Ischyrhiza
 * †Ischyrhiza avonicola – or unidentified comparable form
 * †Ischyrhiza mira
 * Ammonite Jeletzkytes.jpg †[[Jeletzkytes]]
 * †Jeletzkytes nebrascensis
 * Latiaxis
 * Lepisosteus
 * Lima
 * Limatula
 * †Linearis
 * Lithophaga
 * Lopha
 * †Lopha falcata
 * †Lopha mesenterica
 * †Mathilda
 * †Modiolus
 * †Modiolus sedesclaris
 * †Modiolus sedesclarus
 * †Modiolus trigonus
 * †Morea
 * Mosasaurus 21copy.jpg †[[Mosasaurus]]
 * †Mosasaurus conodon
 * Myliobatis
 * †Mytilus – tentative report
 * Nebrius
 * Nucula
 * †Nucula camia
 * †Nucula cuneifrons
 * †Nucula percrassa
 * †Nucula severnensis
 * Odontaspis ferox 3.jpg [[Odontaspis]]
 * †Osteopygis
 * Panopea
 * †Paralbula
 * †Peritresius
 * Pholas
 * †Pinna
 * †Placenticeras
 * †Pleurocoelus – type locality for genus
 * †Pleurocoelus nanus – type locality for species
 * †Plicatoscyllium
 * Polinices
 * Priconodon.jpg †[[Priconodon]] – type locality for genus
 * †Priconodon crassus – type locality for species
 * †Prognathodon
 * †Prognathodon rapax
 * †Propanoplosaurus – type locality for genus
 * †Propanoplosaurus marylandicus – type locality for species
 * †Protocardia
 * †Pteria
 * †Pterotrigonia
 * †Pterotrigonia eufalensis
 * †Pterotrigonia eufaulensis
 * †Pterotrigonia thoracica
 * †Ptychotrygon
 * Pycnodonte
 * †Pycnodonte vesicularis
 * Raja
 * Rhinobatos
 * Rhombodus NT small cropped.png †[[Rhombodus]]
 * Ringicula
 * †Ringicula clarki
 * †Ringicula pulchella
 * Rissoina
 * †Sargana
 * †Scaphites
 * †Scaphites hippocrepis
 * Serpula
 * †Serratolamna
 * †Serratolamna serrata
 * †Sphenodiscus
 * †Sphenodiscus lobatus
 * †Sphenodiscus pleurisepta
 * Squalicorax falcatusDB.jpg [[Squalicorax]]
 * †Squalicorax falcatus
 * †Squalicorax kaupi
 * †Squalicorax pristodontus
 * Squatina
 * †Stephanodus
 * Tellina
 * †Tenea
 * Tenontosaurus BW.jpg †[[Tenontosaurus]]
 * †Thoracosaurus
 * Trachycardium
 * †Trachycardium eufaulensis
 * Turritella
 * †Turritella bilira
 * †Turritella hilgardi
 * †Turritella paravertebroides
 * †Turritella tippana
 * †Turritella trilira
 * †Turritella vertebroides
 * †Zephyrosaurus

Selected Cenozoic taxa of Maryland

 * †Abra – tentative report
 * Acipenser
 * Acropora
 * †Acropora palmata
 * Acteocina
 * Acteon
 * †Adocus
 * Aepycamelus Alticamelus hharder.jpg †[[Aepycamelus]] – tentative report
 * Aetobatus
 * †Aglaocetus
 * Alca
 * †Alca torda – or unidentified comparable form
 * †Ambystoma
 * †Ambystoma maculatum
 * †Ambystoma tigrinum
 * Amia
 * Amphicyon-ingens reconstruction.jpg †[[Amphicyon]]
 * Amyda
 * Anachis
 * Anadara
 * †Anadara ovalis
 * †Anadara transversa
 * Anas
 * †Anas crecca
 * Ancilla – report made of unidentified related form or using admittedly obsolete nomenclature
 * Angulus
 * Anomia
 * †Anomia simplex
 * Anticlimax – tentative report
 * †Aphelops – tentative report
 * Aporrhais
 * Aquila
 * †Aquila chrysaetos
 * †Araeodelphis – type locality for genus
 * Arca
 * †Archaeohippus
 * Architectonica
 * †Arctodus
 * †Arctodus pristinus
 * Argopecten
 * †Argopecten irradians
 * †Armatobalanus
 * Astarte elliptica 2008-09-07-4.jpg bivalve]] Astarte''
 * †Astarte undata
 * Asterias
 * †Asterias forbesi – or unidentified comparable form
 * Astrangia
 * †Astrangia danae
 * †Astroscopus – type locality for species
 * †Astroscopus countermani – type locality for species
 * Astyris
 * †Astyris lunata
 * Athleta
 * Atrina
 * Aulophyseter BW.jpg †[[Aulophyseter]]
 * Balaenoptera
 * Balanus
 * †Balanus crenatus
 * Bankia
 * Barnea
 * Blarina
 * †Blarina brevicauda
 * †Blarina carolinensis
 * Bonasa
 * Bonasa-umbellus-001edit1.jpg †[[Bonasa umbellus]]
 * Boreotrophon
 * Brachidontes
 * †Brachyprotoma
 * †Brachyprotoma obtusata
 * †Brevoortia
 * †Brevoortia tyrannus – or unidentified comparable form
 * Bufo
 * †Bufo americanus
 * †Bufo woodhousei
 * Busycon – type locality for genus
 * †Busycon carica
 * Busycotypus
 * †Busycotypus canaliculatus
 * Cadulus
 * Caecum
 * Callinectes
 * †Callinectes ornatus
 * The Childrens Museum of Indianapolis - Atlantic blue crab.jpg †[[Callinectes sapidus]]
 * Calliostoma
 * Callista
 * Calonectris
 * Calyptraea
 * †Calyptraea centralis
 * Cancellaria
 * Cancer
 * †Cancer irroratus
 * Canis
 * Canis ambrusteri skull.png †[[Canis armbrusteri]] – type locality for species
 * †Canis latrans
 * †Canis rufus – or unidentified comparable form
 * Cantharus
 * Carcharhinus
 * Carcharias
 * Carcharodon
 * †Carcharodon hastalis
 * Cardita
 * Carphophis
 * †Carphophis amoenus
 * Cassis
 * Castor
 * †Castor canadensis
 * †Cephalotropis – type locality for genus
 * Cerastoderma
 * Cervus
 * Cetorhinus
 * Cetotherium BW.jpg †[[Cetotherium]]
 * Chama
 * Chelone
 * Chelydra
 * †Chelydra serpentina
 * †Chesapecten
 * †Chesapecten jeffersonius
 * Chlamys
 * Chrysemys
 * †Chrysemys picta
 * Circulus – report made of unidentified related form or using admittedly obsolete nomenclature
 * Cirsotrema
 * Clavus
 * Clementia
 * Clethrionomys
 * Clethrionomys gapperi – or unidentified comparable form
 * Cliona
 * Coluber
 * Coluber constrictor anthicus.jpg †[[Coluber constrictor]]
 * Concavus
 * Condylura
 * †Condylura cristata
 * Conus
 * Corbula
 * Crassostrea
 * †Crassostrea virginica
 * Crepidula
 * †Crepidula fornicata
 * †Crepidula plana
 * Shark fossil.jpg †[[Cretolamna]]
 * †Cretolamna appendiculata
 * Crotalus
 * †Crotalus horridus
 * Crucibulum
 * Cryptobranchus
 * Cucullaea
 * Cumingia
 * Cyclocardia
 * Cylichna
 * Cymatosyrinx
 * †Cynarctus
 * †Cynarctus wangi – type locality for species
 * Cypraea tigris 01.JPG [[Cypraea]]
 * †Cyrtopleura costata
 * Cythara
 * †Cytheris
 * Dasyatis
 * Dentalium
 * Diadophis
 * †Diadophis punctatus
 * Diodora
 * †Diorocetus – type locality for genus
 * †Dipoides
 * Discinisca
 * †Dolicholatirus
 * Dosinia
 * Echinocardium
 * Echinophoria – type locality for genus
 * †Ecphora
 * Ecphora quadricostata.jpg †[[Ecphora gardnerae]]
 * †Ectopistes
 * †Ectopistes migratorius
 * Elaphe
 * †Elaphe vulpina
 * Electra
 * Elphidium
 * Ensis
 * †Ensis directus
 * †Entobia
 * †Eosuchus
 * †Eosurcula – or unidentified comparable form
 * Epitonium
 * †Epitonium humphreysii
 * Eptesicus
 * †Eptesicus fuscus – or unidentified comparable form
 * Equus
 * †Equus giganteus
 * Erethizon
 * †Erethizon dorsatum
 * Euceratherium cropped.png †[[Euceratherium]]
 * †Euceratherium collinum
 * †Euclastes – tentative report
 * Eulima
 * Eumeces
 * †Eumeces fasciatus – or unidentified comparable form
 * Eupleura
 * †Eupleura caudata
 * †Eurhinodelphis
 * †Eurhinodelphis longirostris
 * Euspira
 * †Euspira heros
 * Wildkatze MGH.jpg [[Felis]]
 * †Ficopsis
 * Fissurella
 * †Fistulobalanus
 * †Fulgar
 * Galeocerdo
 * †Galeocerdo aduncus
 * †Galeocerdo contortus
 * Galeodea
 * Gari
 * Gastrochaena
 * Gavia
 * †Gavia immer
 * Gavialosuchus americanus Expominer 07.jpg †[[Gavialosuchus]]
 * Gegania
 * Gemma
 * †Gemma gemma
 * Genota – or unidentified comparable form
 * Geukensia
 * †Geukensia demissa
 * Gibbula – tentative report
 * Glaucomys
 * Globigerina
 * Globigerinoides
 * Glossus
 * Glycimeris
 * Glycymeris
 * †Glycymeris americana
 * Glyptemys
 * †Glyptemys muhlenbergii
 * Gomphotherium productum.jpg †[[Gomphotherium]]
 * Gulo
 * †Gulo gulo
 * Gyrinophilus
 * †Gyrinophilus porphyriticus – or unidentified comparable form
 * †Hadrodelphis – type locality for genus
 * Haminoea
 * Hastula
 * Haustator
 * †Heliadornis – type locality for genus
 * Hemipristis
 * †Hemipristis serra
 * Heterodon
 * †Heterodon platyrhinos – or unidentified comparable form
 * Hiatella
 * †Hiatella arctica
 * Hipparion.JPG †[[Hippotherium]]
 * Hyla
 * †Hyla crucifer
 * Hyotissa
 * Ictalurus
 * Ilyanassa
 * †Ilyanassa obsoleta
 * †Ilyanassa trivittata
 * Ischadium
 * †Ischadium recurvum
 * †Ischyodus
 * Isognomon
 * Isurus
 * Kentriodon BW.jpg †[[Kentriodon]] – type locality for genus
 * Kuphus – report made of unidentified related form or using admittedly obsolete nomenclature
 * Kurtziella
 * †Kurtziella cerina
 * Lacuna
 * †Lagodon
 * Lamna
 * Lampropeltis
 * †Lampropeltis triangulum
 * Lasiopodomys
 * Lepisosteus
 * †Leptophoca – type locality for genus
 * †Leptophoca lenis – type locality for species
 * Lepus
 * †Lepus americanus
 * Libinia
 * †Libinia dubia
 * Lithophaga – or unidentified comparable form
 * Littoraria
 * †Littoraria irrorata
 * Lontra
 * LutraCanadensis fullres.jpg †[[Lontra canadensis]]
 * †Lophocetus
 * Lopholatilus
 * Lucina
 * Lunatia
 * Lyonsia
 * Macoma
 * †Macoma balthica
 * Macrocallista
 * †Macrokentriodon – type locality for genus
 * †Mammut
 * †Mammut americanum
 * †Mammuthus
 * †Mammuthus columbi
 * MammothVsMastodon.jpg, or American mastodon (right), and a Mammuthus primigenius, or wooly mammoth (left)]] †Mammuthus primigenius''
 * Marginella
 * Marmota
 * †Marmota monax
 * Martesia
 * Mathilda
 * †Megalonyx
 * Megaptera
 * Melampus
 * †Melampus bidentatus
 * Melanitta
 * †Melanitta deglandi
 * Meleagris
 * Gall-dindi.jpg †[[Meleagris gallopavo]]
 * Membranipora
 * Menestho
 * Mephitis
 * †Mephitis mephitis
 * Mercenaria
 * †Mercenaria mercenaria
 * Meretrix
 * †Merychippus
 * †Mesocetus
 * †Metaxytherium
 * Microtus
 * †Microtus chrotorrhinus – or unidentified comparable form
 * †Microtus pennsylvanicus
 * Miracinonyx inexpectatus.jpg †[[Miracinonyx]]
 * †Miracinonyx inexpectatus
 * Mitra
 * Modiolus
 * †Modiolus modiolus
 * †Moira – tentative report
 * †Monotherium
 * Mulinia
 * †Mulinia lateralis
 * Mustela
 * †Mustela vison – or unidentified comparable form
 * †Mya
 * †Mya arenaria
 * Myliobatis
 * Mylohyus nasutus.jpg †[[Mylohyus]]
 * †Mylohyus fossilis – type locality for species
 * Myotis
 * †Myotis grisescens – or unidentified comparable form
 * Mytilus
 * †Nanosiren – tentative report
 * Napaeozapus
 * †Napaeozapus insignis
 * Narona
 * Nassa
 * Nassarius tiarula.jpg [[Nassarius]]
 * †Nassarius vibex
 * Neofiber
 * Neotoma – type locality for genus
 * †Neotoma floridana
 * Nerodia
 * †Nerodia sipedon
 * Neverita
 * Notophthalmus
 * †Notophthalmus viridescens – or unidentified comparable form
 * Notorynchus
 * 170121-Sevengill-02 DSC0627 (1).jpg †[[Notorynchus cepedianus]] – type locality for species
 * Novocrania
 * Nucula
 * †Nucula proxima
 * †Nuculana acuta
 * Ochotona
 * †Ochotona princeps – or unidentified comparable form
 * Odocoileus
 * †Odocoileus virginianus
 * Odontaspis
 * Odostomia
 * Ondatra
 * †Ondatra zibethicus
 * Opheodrys
 * †Opheodrys vernalis
 * †Orycterocetus
 * †Osteopygis
 * Ostrea
 * †Otodus
 * Megalodon scale.svg (sometimes Carcharodon or Otodus megalodon) with a whale shark (violet), great white shark (green), and anachronistic human (black) to scale]] †Otodus megalodon''
 * Otus
 * †Oxyrhina
 * †Oxyrhina desorii
 * Pagurus
 * †Pagurus pollicaris
 * †Palaeocarcharodon
 * †Palaeophis
 * Pandora
 * Panopea
 * Panopeus
 * †Panopeus herbstii
 * Panthera
 * †Panthera leo
 * †Panthera onca
 * Parascalops
 * †Parascalops breweri
 * Parietobalaena yamaokai life restoration cropped.png †[[Parietobalaena]] – type locality for genus
 * †Parietobalaena palmeri – type locality for species
 * Pecten
 * Pekania
 * †Pelocetus – type locality for genus
 * Perisoreus
 * †Perisoreus canadensis
 * Peromyscus
 * †Peromyscus leucopus – or unidentified comparable form
 * Petricola
 * †Petricola pholadiformis
 * †Phenacodus – tentative report
 * Phenacomys
 * †Phocageneus
 * Pholadomya
 * †Physeterula
 * Pinna
 * Pipistrellus
 * Pitar
 * †Pitar morrhuanus
 * Pitymys
 * Placopecten
 * Platygonus leptorhinus cropped.png of the genus Platygonus. Charles R. Knight (1922).]] †Platygonus
 * Plecotus
 * Plethodon
 * Pleurotomella
 * Pogonias
 * †Pogonias cromis – or unidentified comparable form
 * Polydora
 * Polystira
 * †Presbyornis
 * †Prionodon
 * Prionotus
 * †Prionotus evolans – or unidentified related form
 * Propebela
 * Prophaethon – tentative report
 * †Protocardia
 * Pseudacris
 * †Pseudacris triseriata
 * Pseudoliva
 * Pteria
 * †Ptychosalpinx
 * Puffinus gavia - SE Tasmania.jpg [[Puffinus]]
 * Pycnodonte
 * Quinqueloculina
 * †Rana
 * †Rana clamitans
 * †Rana pipiens
 * †Rana sylvatica
 * Rangia
 * Ranzania
 * Retusa
 * Rhinoptera steindachneri.jpg [[Rhinoptera]]
 * Rhynchobatus
 * †Roccus
 * †Roccus saxatilis
 * †Rotalia
 * Salamandra
 * †Scala – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Scala
 * †Scaldicetus
 * †Scapanorhynchus
 * Scaphander
 * Scaphella – type locality for genus
 * Sceloporus
 * †Sceloporus undulatus – or unidentified comparable form
 * Cyrtodelphis sulcatus.JPG †[[Schizodelphis]]
 * Schizoporella
 * †Schizoporella unicornis
 * Sciaenops
 * Sciurus
 * †Sciurus carolinensis
 * †Scutella
 * †Sediliopsis – type locality for genus
 * Seila
 * †Seila adamsii
 * Semele – tentative report
 * Semele
 * Serpulorbis
 * Siphonalia
 * Smilodon fatalis.jpg †[[Smilodon]]
 * †Smilodon fatalis
 * †Solarium
 * Solen
 * Sorex
 * †Sorex cinereus
 * †Sorex fumeus
 * Spermophilus
 * †Spermophilus tridecemlineatus
 * †Sphyraenodus
 * Sphyrna
 * Spilogale
 * †Spilogale putorius – type locality for species
 * Spisula
 * Squalodon BW.jpg †[[Squalodon]]
 * †Squalodon calvertensis – type locality for species
 * Squatina
 * Squilla
 * †Squilla empusa
 * Stewartia
 * Stramonita
 * Strioterebrum
 * †Syllomus
 * Sylvilagus
 * †Sylvilagus floridanus
 * Bog lemming.gif [[Synaptomys]]
 * †Synaptomys cooperi
 * Syrnola
 * Tagelus
 * Tamias
 * †Tamias striatus
 * Tamiasciurus
 * †Tamiasciurus hudsonicus
 * †Tapiravus
 * South American tapir (Tapirus terrestris).JPG [[Tapirus]]
 * †Tasbacka
 * Taxidea
 * †Taxidea taxus – type locality for species
 * Teinostoma
 * Tellina
 * Terebra
 * Terebratula
 * Teredo
 * Terrapene
 * †Terrapene carolina
 * Testudo
 * Textularia
 * Thamnophis
 * Thecachampsa carolinensis cropped.jpg †[[Thecachampsa]]
 * †Thecachampsa antiqua
 * Thomomys – type locality for genus
 * Thracia
 * Tremarctos
 * †Tremarctos floridanus
 * Triloculina
 * Trionyx – report made of unidentified related form or using admittedly obsolete nomenclature
 * Triphora
 * Tritonium
 * Trochita
 * †Trygon
 * †Tuba – tentative report
 * Turricula – report made of unidentified related form or using admittedly obsolete nomenclature
 * Turris – report made of unidentified related form or using admittedly obsolete nomenclature
 * Turritella
 * Bottlenose Dolphin KSC04pd0178.jpg [[Tursiops]]
 * Typhis
 * Umbraculum – tentative report
 * Urosalpinx
 * †Urosalpinx cinerea
 * Ursus
 * †Ursus americanus
 * Venericardia
 * Vespertilio
 * Vitrinella
 * Volutifusus
 * Vulpes
 * Xiphiacetus sp.jpg †[[Xiphiacetus]]
 * Xiphias
 * Yoldia
 * †Yoldia limatula