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.
Paleozoic
Selected Paleozoic taxa of Pennsylvania
- †Acidaspis
- †Agnostus
- †Alethopteris
- †Amphiscapha
†AnomalocarisRestorative model of the Cambrian arthropod Anomalocaris - †Aphthoroblattina
- †Archaeopteris
- †Archimylacris
- †Asaphiscus
- †Athyris
- †Atrypa
- †Aviculopecten
- †Barinophyton
- †Bathyuriscus
- †Bellerophon
- †Bembexia
- †Beyrichoceratoides
- †Blattoidea
- †Bonneterrina
†BothriolepisLife restoration of the Late Devonian placoderm fish Bothriolepis - †Byronia
- †Callixylon
- †Camarotoechia
- †Camptostroma
- †Cavusgnathus
- †Ceramopora
- †Ceratopsis
- †Chancelloria
- †Chancia
- †Chonetes
- †Cincinnetina
- †Cleiothyridina
- †Climacograptus
†CoccosteusCoccosteus cuspidatus restoration, shown attacking multiple Palaeospondylus' - †Coelacanthus
- †Composita
- †Conotheca
- †Coosella
- †Coosia
- †Cordaites
- †Cornulites
- †Craniops
- †Crepicephalus
- †Ctenerpeton – type locality for genus
- †Ctenopterus
- †Cyclonema
†CyclopterisFossilized foliage from the Carboniferous seed fern Cyclopteris - †Cypricardinia
- †Cyrtospirifer
- †Dawsonia
- †Deckera
- †Densignathus – type locality for genus
- †Diplocaulus – or unidentified comparable form
- †Diploceraspis
- †Diplograptus
†EdaphosaurusLife restoration of the Permian synapsid (mammal precursor) Edaphosaurus - †Edmondia
- †Eldredgeops
- †Elita
- †Elrathia
- †Elrathina
- †Endolobus
- †Eoagnostus
- †Erettopterus
- †Eryops
- †Esmeraldina
- †Euomphalus
†FavositesFossil of the Late Ordovician-Permian tabulate coral Favosites - †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 – type locality for genusLife restoration of the Late Devonian four-limbed animal precursor Hynerpeton - †Hynerpeton bassetti – type locality for species
- †Hyolithellus
- †Hyolithes
- †Hyolithid
- †Indiana – tentative report
- †Iocrinus
- †Irvingella
- †Isodectes
†IsotelusFossil of the Middle-Late Ordovician giant trilobite Isotelus. - †Kiaeropterus
- †Kingstonia
- †Kladognathus
- †Kootenia
- †Kutorgina
- †Lancastria
- †Lepidostrobus
- †Leptomitus
- Lingula
- †Lingulella
- †Llanoaspidella – type locality for genus
- †Llanoaspis – tentative report
- †Lonchocephalus
†LysorophusLife restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior - †Margaretia
- †Martinia
- †Megalograptus – tentative report
- †Megamolgophis
- †Metacoceras
- †Michelinoceras
- †Micromitra
- †Mimagoniatites – tentative report
- †Mucrospirifer
- †Nanahughmilleria
- †Naticopsis
†NeospiriferFossilized shell of the Carboniferous-Permian brachiopod Neospirifer - †Neuropteris
- †Nisusia
- Nucula
- †Ogygopsis
- †Olenellus
- †Olenoides
- †Orthacanthus
- †Orthoceras
- †Orthotheca
- †Oryctocephalus
†OsteolepisRestoration - †Oulodus
- †Ozarkodina
- †Paedeumias
- †Pagetia
- †Paladin
- †Panenka
- †Parahughmilleria
- †Paraspirifer
- †Paterina
- †Pelagiella
- †Pemphigaspis
- †Pentremites
- †Peronopsis
- †Petalodus
†PhacopsFossil of the Devonian trilobite Phacops rana - Pinna
- †Platyceras
- †Pleurodictyum
- †Proetus
- †Protobarinophyton
- †Protocaris
- †Protospongia – tentative report
- †Pugnax
- †Quasillites
- †Rhinocarcinosoma
- †Rhodea
- †Ribeiria
- †Ruedemannipterus
- †Salterella
†SauripterusFossilized fin of the Devonian lobe-finned fish Sauripterus - †Schaefferia (Paleozoic plant) – or unidentified comparable form
- †Schizodiscus
- †Sciadophyton
- †Selkirkia
- †Sidneyia
- †Sigillaria
- †Solenochilus
- †Sowerbyella
- †Spathognathodus
- †Spirifer
- †Spyroceras
- †Strophomena
- †Taeniocrada
- †Tentaculites
†TetraxylopterisDiagram of the branches of the Middle-Late Devonian vascular plant 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
†AnomoepusFossil (right) of the Early Jurassic dinosaur footprint ichnogenus 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
†DipterusLife restoration of the Middle Devonian lungfish Dipterus - †Dipterus redfieldi
- †Eubrontes
- †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
†MastodonsaurusFossilized skeleton of the Middle Triassic amphibian 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
†RutiodonLife restoration of the Late Triassic phytosaur Rutiodon - †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
AegialiaIllustration of an Aegialia dung beetle - 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
†ArctodusRestoration of an Arctodus, or short-faced bear, with a human to scale - †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 – type locality for speciesA living Blarina brevicauda, or northern short-tailed shrew - †Blarina carolinensis
- Bledius
- Blethisa
- Boreaphilus
- †Boreaphilus henningianus
- †Brachyprotoma
- †Brachyprotoma obtusata – type locality for species
- Bufo
- Canis
- †Canis armbrusteri
†Canis dirusModern mounted skeleton of Canis lupus, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf
- Carabus
- †Cariacus
- †Cariacus laevicornis – type locality for species
- Carphoborus
- †Carphoborus andersoni
- Castor
- †Castoroides
- Catops
- †Cervalces
- Chlaenius
- †Chlaenius punctulatus – type locality for species
- Colinus
- Coluber
- †Coluber acuminatus – type locality for species
- †Coluber constrictor
- Colymbetes
CrocutaA living Crocuta crocuta, or spotted hyena - †Crocuta inexpectatus – type locality for species
- Crotalus
- 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
DiacheilaA preserved Diacheila ground beetle - Dicaelus
- †Dicaelus alutaceus – type locality for species
- Donacia
- Dyschirius
- †Dyschirius integer group informal
- †Dyschirius melancholicus
- Elaphe
- Elaphrus
- Emydoidea
†Emydoidea blandingiiA living Emys blandingii, or Blanding's turtle
- Enochrus
- Equus
- †Equus complicatus
- †Equus pectinatus
- Erethizon
- Eucnecosum
- †Eucnecosum brunnescens
- Glyptemys
- Gulo
- Gymnusa
- Harpalus
- Helophorus
- †Hesperotestudo
- †Hesperotestudo percrassa – type locality for species
- Heterodon
- Holoboreaphilus
- †Holoboreaphilus nordenskioldi
- Homo
- Hydraena
- Hydroporus
- Hyla
†Hyla cruciferA living Pseudacris crucifer (formerly Hyla crucifer), or spring peeper
- Lampropeltis
- Lasiopodomys – tentative report
- Lesteva
- †Lesteva pallipes
- Lontra
- Loricera
- Lynx
- †Lynx calcaratus – type locality for species
- †Mammut
- †Mammuthus
†Mammuthus primigeniusLife restorations of a Mammut americanum, or American mastodon (right), and a Mammuthus primigenius, or wooly mammoth (left)
- Mantura
- Marmota
- †Marmota monax – or unidentified comparable form
- †Megalonyx
- Meleagris
- Mephitis
- Microedus
- †Microedus austinianus
- Microtus
- †Microtus guildayi – or unidentified comparable form
†MiracinonyxRestoration of the Pliocene-Pleistocene Miracinonyx, or American cheetah - †Miracinonyx inexpectatus – or unidentified comparable form
- Mustela
- Mycetoporus
- †Mylohyus
- Myotis
- Napaeozapus
- Natrix
NeofiberA living Neofiber, or round-tailed muskrat - †Neofiber diluvianus – type locality for species
- Nerodia
- Nitidotachinus
- †Nitidotachinus tachyporoides
- Notaris
- Notiophilus
- Ochthebius
- Odocoileus
†Odocoileus virginianusA living Odocoileus virginianus, or white-tailed deer
- Olophrum
- †Olophrum boreale
- †Olophrum consimile
- †Olophrum latum
- †Olophrum rotundicolle
- Ondatra
- †Ondatra idahoensis – type locality for species
- Opheodrys
- †Osmotherium – type locality for genus
- †Osmotherium spelaeum – type locality for species
- Oxytelus
- Panthera
†ParamylodonFossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon - †Paramylodon harlani – tentative report
- Parascalops
- Patrobus
- Pekania
- †Pekania diluviana
- Pelenomus
- Peromyscus
- †Peromyscus leucopus – tentative report
- †Phanaeus
- †Phanaeus antiquus – type locality for species
- Philonthus
- Phloeotribus
- Pitymys
- †Pitymys cumberlandensis – or unidentified comparable form
- Pityophthorus
†PlatygonusRestoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922). - †Platygonus vetus – type locality for species
- Platynus
- 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
†SmilodonLife restoration of the Pleistocene-Holocene saber-tooth cat Smilodon - †Smilodon gracilis – type locality for species
- Sorex
- Sphaeroderus
- †Sphaeroderus nitidicollis – or unidentified comparable form
- Stenus
- Stereocerus
- Sylvilagus
- Synaptomys
- Tachinus
- †Tachinus luridus
- Tamias
- †Tamias striatus – or unidentified comparable form
TapirusA living Tapirus, or tapir - Taxidea
- Terrapene
- Thamnophis
- Thanatophilus
- Thomomys
- †Thomomys potomacensis
- Trechus
- †Trechus crassiscapus
- †Uncia
- †Uncia mercerii – type locality for species
- Urocyon
†Urocyon cinereoargenteusA living Urocyon cinereoargenteus, or gray fox
- Ursus
- Vulpes
- Zapus
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
![](/s/i/modif.png)