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.

Paleozoic

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
  • †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

• 

  †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
• †Mcqueenoceras
• †Megamolgophis
• †Meristina
• †Metacoceras
• †Naticopsis
• †Neospirifer
  • †Neospirifer dunbari – tentative report
• †Obolella
• †Obolus – tentative report
• †Olenellus
• †Ormoceras
• †Orthoceras
• †Platyceras
• †Proterocameroceras

• 

  †Pterygotus
• †Ribeiria
• †Rioceras
• Solemya
• † Solenopsis
• †Sowerbyella
• †Spirifer
  • †Spirifer vanuxemi
• †Stenosiphon
• †Strophomena
• †Tainoceras

• 

  †Tentaculites
• †Trigonocera
• †Trimerus
• †Waeringopterus
• †Worthenia

Mesozoic

Selected Mesozoic taxa of Maryland

• Acirsa

• 

  †Acrocanthosaurus – or unidentified comparable form
• †Acteon
• †Aenona
• †Agerostrea
• †Allognathosuchus – or unidentified comparable form
• †Allosaurus
• †Amyda
• †Ancilla
• †Anomia
• †Anomoeodus
• Arrhoges
• Astarte

• 

  †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
• Cerithium
• Chiloscyllium
• †Cimoliasaurus
• †Coelosaurus
  • †Coelosaurus affinis
  • †Coelosaurus antiquus
• †Coelurus
  • †Coelurus gracilis – type locality for species
• †Corax
• Corbula
• †Crenella
  • †Crenella elegantula
  • †Crenella serica

• 

  †Cretolamna
  • †Cretolamna appendiculata
• Cucullaea
  • †Cucullaea capax
• Cuspidaria
  • †Cuspidaria ampulla
• Cylichna
  • †Cylichna diversilirata
  • †Cylichna incisa
• †Cylindracanthus
• †Cymella
• Dasyatis

• 

  †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
• †Ewingia
• †Exogyra
  • †Exogyra costata
• Galeorhinus
• Ginglymostoma
• Glossus
• Glycimeris
• Glycymeris
  • †Glycymeris rotundata
• †Glyptops
• †Goniopholis

• 

  †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

• 

  †Jeletzkytes
  • †Jeletzkytes nebrascensis
• Latiaxis
• Lepisosteus
• Lima
• Limatula
• †Linearis
• Lithophaga
• Lopha
  • †Lopha falcata
  • †Lopha mesenterica
• †Mathilda
• †Modiolus
  • †Modiolus sedesclaris
  • †Modiolus sedesclarus
  • †Modiolus trigonus
• †Morea

• 

  †Mosasaurus
  • †Mosasaurus conodon
• Myliobatis
• †Mytilus – tentative report
• Nebrius
• Nucula
  • †Nucula camia
  • †Nucula cuneifrons
  • †Nucula percrassa
  • †Nucula severnensis

• 

  Odontaspis
• †Osteopygis
• Panopea
• †Paralbula
• †Peritresius
• Pholas
• †Pinna
• †Placenticeras
• †Pleurocoelus – type locality for genus
  • †Pleurocoelus nanus – type locality for species
• †Plicatoscyllium
• Polinices

• 

  †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
• Ringicula
  • †Ringicula clarki
  • †Ringicula pulchella
• Rissoina
• †Sargana
• †Scaphites
  • †Scaphites hippocrepis
• Serpula
• †Serratolamna
  • †Serratolamna serrata
• †Sphenodiscus
  • †Sphenodiscus lobatus
  • †Sphenodiscus pleurisepta

• 

  Squalicorax
  • †Squalicorax falcatus
  • †Squalicorax kaupi
  • †Squalicorax pristodontus
• Squatina
• †Stephanodus
• Tellina
• †Tenea

• 

  †Tenontosaurus
• †Thoracosaurus
• Trachycardium
  • †Trachycardium eufaulensis
• Turritella
  • †Turritella bilira
  • †Turritella hilgardi
  • †Turritella paravertebroides
  • †Turritella tippana
  • †Turritella trilira
  • †Turritella vertebroides
  • †Zephyrosaurus

Cenozoic

Selected Cenozoic taxa of Maryland

• †Abra – tentative report
• Acipenser
• Acropora
  • †Acropora palmata
• Acteocina
• Acteon
• †Adocus

• 

  †Aepycamelus – tentative report
• Aetobatus
• †Aglaocetus
• Alca
  • †Alca torda – or unidentified comparable form
• †Ambystoma
  • †Ambystoma maculatum
  • †Ambystoma tigrinum
• Amia

• 

  †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
  • †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
• Balaenoptera
• Balanus
  • †Balanus crenatus
• Bankia
• Barnea
• Blarina
  • †Blarina brevicauda
  • †Blarina carolinensis
• Bonasa

  • 

    †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

  • 

    †Callinectes sapidus
• Calliostoma
• Callista
• Calonectris
• Calyptraea
  • †Calyptraea centralis
• Cancellaria
• Cancer
  • †Cancer irroratus
• Canis

  • 

    †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
• 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
• Concavus
• Condylura
  • †Condylura cristata
• Conus
• Corbula
• Crassostrea
  • †Crassostrea virginica
• Crepidula
  • †Crepidula fornicata
  • †Crepidula plana

• 

  †Cretolamna
  • †Cretolamna appendiculata
• Crotalus
  • †Crotalus horridus
• Crucibulum
• Cryptobranchus
• Cucullaea
• Cumingia
• Cyclocardia
• Cylichna
• Cymatosyrinx
• †Cynarctus
  • †Cynarctus wangi – type locality for species

• 

  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 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
  • †Euceratherium collinum
• †Euclastes – tentative report
• Eulima
• Eumeces
  • †Eumeces fasciatus – or unidentified comparable form
• Eupleura
  • †Eupleura caudata
• †Eurhinodelphis
  • †Eurhinodelphis longirostris
• Euspira
  • †Euspira heros

• 

  Felis
• †Ficopsis
• Fissurella
• †Fistulobalanus
• †Fulgar
• Galeocerdo
  • †Galeocerdo aduncus
  • †Galeocerdo contortus
• Galeodea
• Gari
• Gastrochaena
• Gavia
  • †Gavia immer

• 

  †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
• 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

• 

  †Hippotherium
• Hyla
  • †Hyla crucifer
• Hyotissa
• Ictalurus
• Ilyanassa
  • †Ilyanassa obsoleta
  • †Ilyanassa trivittata
• Ischadium
  • †Ischadium recurvum
• †Ischyodus
• Isognomon
• Isurus

• 

  †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

  • 

    †Lontra canadensis
• †Lophocetus
• Lopholatilus
• Lucina
• Lunatia
• Lyonsia
• Macoma
  • †Macoma balthica
• Macrocallista
• †Macrokentriodon – type locality for genus
• †Mammut
  • †Mammut americanum
• †Mammuthus
  • †Mammuthus columbi

  • 

    †Mammuthus primigenius
• Marginella
• Marmota
  • †Marmota monax
• Martesia
• Mathilda
• †Megalonyx
• Megaptera
• Melampus
  • †Melampus bidentatus
• Melanitta
  • †Melanitta deglandi
• Meleagris

  • 

    †Meleagris gallopavo
• Membranipora
• Menestho
• Mephitis
  • †Mephitis mephitis
• Mercenaria
  • †Mercenaria mercenaria
• Meretrix
• †Merychippus
• †Mesocetus
• †Metaxytherium
• Microtus
  • †Microtus chrotorrhinus – or unidentified comparable form
  • †Microtus pennsylvanicus

• 

  †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
  • †Mylohyus fossilis – type locality for species
• Myotis
  • †Myotis grisescens – or unidentified comparable form
• Mytilus
• †Nanosiren – tentative report
• Napaeozapus
  • †Napaeozapus insignis
• Narona
• Nassa

• 

  Nassarius
  • †Nassarius vibex
• Neofiber
• Neotoma – type locality for genus
  • †Neotoma floridana
• Nerodia
  • †Nerodia sipedon
• Neverita
• Notophthalmus
  • †Notophthalmus viridescens – or unidentified comparable form
• Notorynchus

  • 

    †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

  • 

    †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 – 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
• 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
• Pycnodonte
• Quinqueloculina
• †Rana
  • †Rana clamitans
  • †Rana pipiens
  • †Rana sylvatica
• Rangia
• Ranzania
• Retusa

• 

  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

• 

  †Schizodelphis
• Schizoporella
  • †Schizoporella unicornis
• Sciaenops
• Sciurus
  • †Sciurus carolinensis
• †Scutella
• †Sediliopsis – type locality for genus
• Seila
  • †Seila adamsii
• Semele – tentative report
• Semele
• Serpulorbis
• Siphonalia

• 

  †Smilodon
  • †Smilodon fatalis
• †Solarium
• Solen
• Sorex
  • †Sorex cinereus
  • †Sorex fumeus
• Spermophilus
  • †Spermophilus tridecemlineatus
• †Sphyraenodus
• Sphyrna
• Spilogale
  • †Spilogale putorius – type locality for species
• Spisula

• 

  †Squalodon
  • †Squalodon calvertensis – type locality for species
• Squatina
• Squilla
  • †Squilla empusa
• Stewartia
• Stramonita
• Strioterebrum
• †Syllomus
• Sylvilagus
  • †Sylvilagus floridanus

• 

  Synaptomys
  • †Synaptomys cooperi
• Syrnola
• Tagelus
• Tamias
  • †Tamias striatus
• Tamiasciurus
  • †Tamiasciurus hudsonicus
• †Tapiravus

• 

  Tapirus
• †Tasbacka
• Taxidea
  • †Taxidea taxus – type locality for species
• Teinostoma
• Tellina
• Terebra
• Terebratula
• Teredo
• Terrapene
  • †Terrapene carolina
• Testudo
• Textularia
• Thamnophis

• 

  †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

• 

  Tursiops
• Typhis
• Umbraculum – tentative report
• Urosalpinx
  • †Urosalpinx cinerea
• Ursus
  • †Ursus americanus
• Venericardia
• Vespertilio
• Vitrinella
• Volutifusus
• Vulpes

• 

  †Xiphiacetus
• Xiphias
• Yoldia
  • †Yoldia limatula

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

This page was last edited on 12 June 2024, at 10:00