List of the prehistoric life of Maryland

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 • showing speculative egg-coiling behavior †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 • sand shark 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 • , or the long-necked camel. Heinrich Harder (1920). †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 • 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'' • Balaenoptera • Balanus • †Balanus crenatus • Bankia • Barnea • Blarina • †Blarina brevicauda • †Blarina carolinensis • Bonasa • , or ruffed grouse †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 • , or Chesapeake blue crab †Callinectes sapidus'' • Calliostoma • Callista • Calonectris • Calyptraea • †Calyptraea centralis • Cancellaria • Cancer • †Cancer irroratus • Canis • '', or Armbruster's wolf †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 • , or eastern racer †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 • cowrie sea snail 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 • , or the shrub ox. Robert Bruce Horsfall (1913). †Euceratherium'' • †Euceratherium collinum • †Euclastes – tentative report • Eulima • Eumeces • †Eumeces fasciatus – or unidentified comparable form • Eupleura • †Eupleura caudata • †Eurhinodelphis • †Eurhinodelphis longirostris • Euspira • †Euspira heros • , or cat 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 • , or North American river otter †Lontra canadensis'' • †Lophocetus • Lopholatilus • Lucina • Lunatia • Lyonsia • Macoma • †Macoma balthica • Macrocallista • †Macrokentriodon – type locality for genus • †Mammut • †Mammut americanum • †Mammuthus • †Mammuthus columbi • , 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 • , or turkey, displaying his facial coloration and tail feathers to attract a female †Meleagris gallopavo'' • Membranipora • Menestho • Mephitis • †Mephitis mephitis • Mercenaria • †Mercenaria mercenaria • Meretrix • †Merychippus • †Mesocetus • †Metaxytherium • Microtus • †Microtus chrotorrhinus – or unidentified comparable form • †Microtus pennsylvanicus • , or American cheetah †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 • , or nassa mud snail Nassarius'' • †Nassarius vibex • Neofiber • Neotoma – type locality for genus • †Neotoma floridana • Nerodia • †Nerodia sipedon • Neverita • Notophthalmus • †Notophthalmus viridescens – or unidentified comparable form • Notorynchus • , or broadnose sevengill shark †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 • (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 • and calf †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 • 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 • shearwater Puffinus'' • Pycnodonte • Quinqueloculina • †Rana • †Rana clamitans • †Rana pipiens • †Rana sylvatica • Rangia • Ranzania • Retusa • , or cownose rays 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 • , or bog lemming Synaptomys'' • †Synaptomys cooperi • Syrnola • Tagelus • Tamias • †Tamias striatus • Tamiasciurus • †Tamiasciurus hudsonicus • †Tapiravus • , or tapir 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 • , or bottlenose dolphin Tursiops'' • Typhis • Umbraculum – tentative report • Urosalpinx • †Urosalpinx cinerea • Ursus • †Ursus americanus • Venericardia • Vespertilio • Vitrinella • Volutifusus • Vulpes • †Xiphiacetus'' • Xiphias • Yoldia • †Yoldia limatula ==References==