List of the prehistoric life of Pennsylvania

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

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

Selected Paleozoic taxa of Pennsylvania

 * †Acidaspis
 * †Agnostus
 * †Alethopteris
 * †Amphiscapha
 * AnomalocarisDinoMcanb.jpg †[[Anomalocaris]]
 * †Aphthoroblattina
 * †Archaeopteris
 * †Archaeopteris halliana
 * †Archaeopteris macilenta
 * †Archimylacris
 * †Asaphiscus
 * †Athyris
 * †Athyris spiriferoides
 * †Atrypa
 * †Atrypa reticularis
 * †Aviculopecten
 * †Aviculopecten occidentalis
 * †Barinophyton
 * †Bathyuriscus
 * †Bellerophon
 * †Bembexia
 * †Beyrichoceratoides
 * †Blattoidea
 * †Bonneterrina
 * Bothriolepis NT small.jpg †[[Bothriolepis]]
 * †Byronia
 * †Callixylon
 * †Camarotoechia
 * †Camptostroma
 * †Cavusgnathus
 * †Ceramopora
 * †Ceratopsis
 * †Chancelloria
 * †Chancia
 * †Chonetes
 * †Cincinnetina
 * †Cincinnetina multisecta
 * †Cleiothyridina
 * †Climacograptus
 * Coccosteus cuspidatus.jpg']] †Coccosteus
 * †Coelacanthus
 * †Composita
 * †Composita subtilita
 * †Conotheca
 * †Coosella
 * †Coosia
 * †Cordaites
 * †Cornulites
 * †Cornulites flexuosus
 * †Craniops
 * †Crepicephalus
 * †Ctenerpeton – type locality for genus
 * †Ctenopterus
 * †Cyclonema
 * Cyclopteris fossil cropped.png †[[Cyclopteris]]
 * †Cypricardinia
 * †Cypricardinia indenta
 * †Cyrtospirifer
 * †Dawsonia
 * †Deckera
 * †Densignathus – type locality for genus
 * †Diplocaulus – or unidentified comparable form
 * †Diploceraspis
 * †Diploceraspis burkei
 * †Diplograptus
 * Edaphosaurus NT small.jpg †[[Edaphosaurus]]
 * †Edmondia
 * †Eldredgeops
 * †Eldredgeops rana
 * †Elita
 * †Elrathia
 * †Elrathina
 * †Endolobus
 * †Eoagnostus
 * †Erettopterus
 * †Eryops
 * †Esmeraldina
 * †Euomphalus
 * FavositesOrdovicianIndiana.jpg †[[Favosites]]
 * †Favosites niagarensis
 * †Fenestella
 * †Ganorhynchus
 * †Genevievella
 * †Glaukerpeton – type locality for genus
 * †Glyptocrinus
 * †Gnathodus
 * †Gravicalymene
 * †Greenops
 * †Hallipterus
 * †Hardieopterus
 * †Hazelia
 * †Helcionella
 * †Hexactinellid
 * †Hindeodus
 * †Holonema
 * †Holopea
 * †Holoptychius
 * †Holoptychus
 * †Hughmilleria
 * †Hymenocaris
 * Hynerpeton BW.jpg †[[Hynerpeton]] – type locality for genus
 * †Hynerpeton bassetti – type locality for species
 * †Hyolithellus
 * †Hyolithes
 * †Hyolithid
 * †Indiana – tentative report
 * †Iocrinus
 * †Irvingella
 * †Isodectes
 * Isotelus brachycephalus.JPG †[[Isotelus]]
 * †Isotelus gigas
 * †Kiaeropterus
 * †Kingstonia
 * †Kladognathus
 * †Kootenia
 * †Kutorgina
 * †Lancastria
 * †Lepidostrobus
 * †Leptomitus
 * Lingula
 * †Lingulella
 * †Llanoaspidella – type locality for genus
 * †Llanoaspis – tentative report
 * †Lonchocephalus
 * Lysorophus.jpg †[[Lysorophus]]
 * †Margaretia
 * †Martinia
 * †Megalograptus – tentative report
 * †Megamolgophis
 * †Metacoceras
 * †Michelinoceras
 * †Micromitra
 * †Mimagoniatites – tentative report
 * †Mucrospirifer
 * †Mucrospirifer mucronatus
 * †Nanahughmilleria
 * †Naticopsis
 * Trigonotretidae - Neospirifer ravana.JPG †[[Neospirifer]]
 * †Neospirifer cameratus
 * †Neuropteris
 * †Nisusia
 * Nucula
 * †Ogygopsis
 * †Olenellus
 * †Olenoides
 * †Olenoides serratus
 * †Orthacanthus
 * †Orthoceras
 * †Orthotheca
 * †Oryctocephalus
 * Osteolepis BW.jpg †Osteolepis
 * †Oulodus
 * †Ozarkodina
 * †Paedeumias
 * †Pagetia
 * †Paladin
 * †Panenka
 * †Parahughmilleria
 * †Paraspirifer
 * †Paterina
 * †Pelagiella
 * †Pemphigaspis
 * †Pentremites
 * †Peronopsis
 * †Petalodus
 * Phacops rana.jpg]] †Phacops''
 * Pinna
 * †Platyceras
 * †Pleurodictyum
 * †Proetus
 * †Protobarinophyton
 * †Protocaris
 * †Protospongia – tentative report
 * †Pugnax
 * †Quasillites
 * †Rhinocarcinosoma
 * †Rhodea
 * †Ribeiria
 * †Ruedemannipterus
 * †Salterella
 * Sauripteris taylori.JPG †[[Sauripterus]]
 * †Sauripterus taylori
 * †Schaefferia (Paleozoic plant) – or unidentified comparable form
 * †Schizodiscus
 * †Sciadophyton
 * †Selkirkia
 * †Sidneyia
 * †Sigillaria
 * †Solenochilus
 * †Sowerbyella
 * †Spathognathodus
 * †Spirifer
 * †Spyroceras
 * †Strophomena
 * †Taeniocrada
 * †Tentaculites
 * Tetraxylopteris reposana sterile branches.svg †[[Tetraxylopteris]]
 * †Titusvillia – type locality for genus
 * †Triarthrus
 * †Tricrepicephalus
 * †Trimerus
 * †Tubulella
 * †Tuzoia
 * †Urasterella
 * †Vinella
 * †Wanneria
 * †Wilkingia
 * †Worthenia
 * †Yochelcionella

Mesozoic

 * †Anchisauripus
 * †Anchisauripus gwyneddensis – type locality for species
 * †Anchisauripus poolei – type locality for species
 * †Anchisauripus sillimani
 * Anomoepus cropped.png †[[Anomoepus]]
 * †Anomoepus gracillimus
 * †Apatopus
 * †Atreipus
 * †Atreipus milfordensis
 * †Batrachopus
 * †Batrachopus gracilis
 * †Belodon
 * †Belodon priscus
 * †Brachychirotherium
 * †Brontozoum
 * †Brontozoum sillimanium
 * †Calamops – type locality for genus
 * †Calamops paludosus – type locality for species
 * †Chirotherium
 * †Chirotherium lulli
 * †Chirotherium parvum
 * †Clepsysaurus – type locality for genus
 * †Clepsysaurus pennsylvanicus – type locality for species
 * †Clepsysaurus veatleianus
 * †Dinophyton
 * †Diplurus
 * †Diplurus longicaudatus
 * Dipterus NT.jpg †[[Dipterus]]
 * †Dipterus redfieldi
 * †Eubrontes
 * †Eubrontes giganteus
 * †Grallator
 * †Grallator cuneatus
 * †Grallator tenuis
 * †Gwyneddichnium – type locality for genus
 * †Gwyneddichnium majore – type locality for species
 * †Gwyneddosaurus – type locality for genus
 * †Gwyneddosaurus erici – type locality for species
 * †Koskinonodon
 * †Koskinonodon perfectus
 * Mastodonsaurus giganteus.JPG †[[Mastodonsaurus]]
 * †Mastodonsaurus durus – type locality for species
 * †Orthodactylus
 * †Orthodactylus howelli – type locality for species
 * †Otozoum – tentative report
 * †Otozoum minus
 * †Pagiophyllum
 * †Palaeoctonus
 * †Palaeoctonus appalachianus
 * †Palaeosaurus
 * †Palaeosaurus fraserianus – type locality for species
 * †Platypterna
 * †Platypterna lockatong – type locality for species
 * †Pterodactylus
 * †Pterodactylus longispinis – type locality for species
 * †Revueltosaurus
 * †Rhynchosauroides
 * †Rhynchosauroides brunswickii
 * †Rhynchosauroides hyperbates
 * Rutiodon BW.jpg †[[Rutiodon]]
 * †Rutiodon carolinensis
 * †Scoyenia
 * †Sphodrosaurus – type locality for genus
 * †Sphodrosaurus pennsylvanicus – type locality for species
 * †Suchoprion
 * †Suchoprion aulacodus
 * †Suchoprion cyphodon
 * †Synorichthys
 * †Turseodus

Cenozoic

 * Acidota
 * †Acidota crenata
 * †Acidota quadrata
 * Aegialia arenaria.jpg [[Aegialia]]
 * Agonum
 * †Agonum affine
 * †Agonum consimile
 * †Agonum gratiosum
 * †Agonum quinquepunctatum
 * †Agonum simile
 * Amara
 * Apalone
 * †Apalone mutica – tentative report
 * Aphodius
 * †Aphodius precursor – type locality for species
 * Apion
 * ArctodusSimusReconstruct.jpg †[[Arctodus]]
 * †Arctodus pristinus – type locality for species
 * Arpedium
 * †Arpedium cribratum
 * †Ateuchus – tentative report
 * Bembidion
 * †Bembidion anguliferum group informal
 * †Bembidion fortestriatum
 * †Bembidion frontale
 * †Bembidion incertum group informal
 * †Bembidion morulum
 * †Bembidion mutatum
 * †Bembidion pseudocautum
 * †Bembidion versicolor – or unidentified comparable form
 * Blarina
 * Blarina brevicauda.jpg †[[Blarina brevicauda]] – type locality for species
 * †Blarina carolinensis
 * Bledius
 * Blethisa
 * †Blethisa catenaria
 * Boreaphilus
 * †Boreaphilus henningianus
 * †Brachyprotoma
 * †Brachyprotoma obtusata – type locality for species
 * Bufo
 * †Bufo americanus
 * Canis
 * †Canis armbrusteri
 * Canis lupus & Aenocyon dirus.jpg, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf]] †Canis dirus''
 * Carabus
 * †Carabus maeander
 * †Cariacus
 * †Cariacus laevicornis – type locality for species
 * Carphoborus
 * †Carphoborus andersoni
 * Castor
 * †Castor canadensis
 * †Castoroides
 * †Castoroides ohioensis
 * Catops
 * †Cervalces
 * Chlaenius
 * †Chlaenius punctulatus – type locality for species
 * Colinus
 * †Colinus virginianus
 * Coluber
 * †Coluber acuminatus – type locality for species
 * †Coluber constrictor
 * Colymbetes
 * Crocuta crocuta Ngorongoro Crater (2015).jpg, or spotted hyena]] Crocuta''
 * †Crocuta inexpectatus – type locality for species
 * Crotalus
 * †Crotalus horridus
 * Curimopsis
 * †Curimopsis moosilauke – or unidentified comparable form
 * †Cychrus
 * †Cychrus minor – type locality for species
 * †Cychrus wheatleyi – type locality for species
 * Cymindis
 * †Cymindis aurora – type locality for species
 * †Cymindis cribricollis
 * Cytilus
 * †Cytilus alternatus
 * Diacheila arctica amoena (Faldermann) - ZooKeys-245-001-g014.jpeg [[Diacheila]]
 * †Diacheila arctica
 * Dicaelus
 * †Dicaelus alutaceus – type locality for species
 * Donacia
 * Dyschirius
 * †Dyschirius integer group informal
 * †Dyschirius melancholicus
 * Elaphe
 * †Elaphe vulpina
 * Elaphrus
 * †Elaphrus americanus
 * †Elaphrus clairvillei
 * †Elaphrus lapponicus
 * Emydoidea
 * Blanding's turtle (Emydoidea blandingii) (17812011862).jpg, or Blanding's turtle]] †Emydoidea blandingii''
 * Enochrus
 * Equus
 * †Equus complicatus
 * †Equus pectinatus
 * Erethizon
 * †Erethizon dorsatum
 * Eucnecosum
 * †Eucnecosum brunnescens
 * Glyptemys
 * †Glyptemys insculpta
 * Gulo
 * Wolverine 01.jpg †[[Gulo gulo]]
 * Gymnusa
 * Harpalus
 * Helophorus
 * †Helophorus sempervarians
 * †Helophorus tuberculatus
 * †Hesperotestudo
 * †Hesperotestudo percrassa – type locality for species
 * Heterodon
 * †Heterodon platyrhinos
 * Holoboreaphilus
 * †Holoboreaphilus nordenskioldi
 * Homo
 * †Homo sapiens
 * Hydraena
 * Hydroporus
 * Hyla
 * H crucifer USGS.jpg (formerly Hyla crucifer), or spring peeper]] †Hyla crucifer''
 * Lampropeltis
 * †Lampropeltis triangulum
 * Lasiopodomys – tentative report
 * Lesteva
 * †Lesteva pallipes
 * Lontra
 * †Lontra canadensis
 * Loricera
 * †Loricera pilicornis
 * Lynx
 * †Lynx calcaratus – type locality for species
 * †Mammut
 * †Mammut americanum
 * †Mammuthus
 * MammothVsMastodon.jpg, or American mastodon (right), and a Mammuthus primigenius, or wooly mammoth (left)]] †Mammuthus primigenius''
 * Mantura
 * Marmota
 * †Marmota monax – or unidentified comparable form
 * †Megalonyx
 * †Megalonyx wheatleyi
 * Meleagris
 * †Meleagris gallopavo
 * Mephitis
 * †Mephitis mephitis
 * Microedus
 * †Microedus austinianus
 * Microtus
 * †Microtus guildayi – or unidentified comparable form
 * Miracinonyx inexpectatus.jpg †[[Miracinonyx]]
 * †Miracinonyx inexpectatus – or unidentified comparable form
 * Mustela
 * Mycetoporus
 * †Mylohyus
 * †Mylohyus fossilis
 * Myotis
 * Napaeozapus
 * †Napaeozapus insignis
 * Natrix
 * Round-tailed Muskrat Neofiber alleni.png [[Neofiber]]
 * †Neofiber diluvianus – type locality for species
 * Nerodia
 * †Nerodia sipedon
 * Nitidotachinus
 * †Nitidotachinus tachyporoides
 * Notaris
 * †Notaris aethiops
 * Notiophilus
 * Ochthebius
 * Odocoileus
 * White-tailed deer.jpg †[[Odocoileus virginianus]]
 * Olophrum
 * †Olophrum boreale
 * †Olophrum consimile
 * †Olophrum latum
 * †Olophrum rotundicolle
 * Ondatra
 * †Ondatra idahoensis – type locality for species
 * Opheodrys
 * †Opheodrys vernalis
 * †Osmotherium – type locality for genus
 * †Osmotherium spelaeum – type locality for species
 * Oxytelus
 * Panthera
 * †Panthera onca
 * San Diego Paramylodon.jpg Paramylodon]] †Paramylodon
 * †Paramylodon harlani – tentative report
 * Parascalops
 * †Parascalops breweri
 * Patrobus
 * †Patrobus foveocollis
 * †Patrobus septentrionis
 * †Patrobus stygicus
 * Pekania
 * †Pekania diluviana
 * Pelenomus
 * Peromyscus
 * †Peromyscus leucopus – tentative report
 * †Phanaeus
 * †Phanaeus antiquus – type locality for species
 * Philonthus
 * Phloeotribus
 * †Phloeotribus piceae
 * Pitymys
 * †Pitymys cumberlandensis – or unidentified comparable form
 * Pityophthorus
 * Platygonus leptorhinus cropped.png of the genus Platygonus. Charles R. Knight (1922).]] †Platygonus
 * †Platygonus vetus – type locality for species
 * Platynus
 * †Platynus hypolithos
 * Podabrus
 * Polygraphus
 * †Polygraphus rufipennis
 * Pterostichus
 * †Pterostichus laevigatus – type locality for species
 * †Pterostichus patruelis
 * †Pterostichus punctatissimus
 * Pycnoglypta
 * †Pycnoglypta aptera
 * †Pycnoglypta lurida
 * Quedius
 * †Rana
 * †Rana pipiens – or unidentified comparable form
 * Scalopus
 * Simplocaria
 * Smilodon fatalis.jpg †[[Smilodon]]
 * †Smilodon gracilis – type locality for species
 * Sorex
 * Sphaeroderus
 * †Sphaeroderus nitidicollis – or unidentified comparable form
 * Stenus
 * Stereocerus
 * †Stereocerus haematopus
 * Sylvilagus
 * †Sylvilagus floridanus
 * Synaptomys
 * †Synaptomys cooperi
 * Tachinus
 * †Tachinus luridus
 * Tamias
 * †Tamias striatus – or unidentified comparable form
 * South American tapir (Tapirus terrestris).JPG [[Tapirus]]
 * †Tapirus haysii
 * †Tapirus veroensis
 * Taxidea
 * †Taxidea taxus
 * Terrapene
 * †Terrapene carolina
 * Thamnophis
 * Thanatophilus
 * Thomomys
 * †Thomomys potomacensis
 * Trechus
 * †Trechus crassiscapus
 * †Uncia
 * †Uncia mercerii – type locality for species
 * Urocyon
 * Grey Fox (Urocyon cinereoargenteus).jpg †[[Urocyon cinereoargenteus]]
 * Ursus
 * †Ursus americanus
 * Vulpes
 * Zapus
 * †Zapus hudsonius