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.

## Contents

* 1 Precambrian
* 2 Paleozoic
* 2.1 Selected Paleozoic taxa of Pennsylvania
* 3 Mesozoic
* 4 Cenozoic
* 5 References

## Precambrian[edit]

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

## Paleozoic[edit]

Main article: List of the Paleozoic life of Pennsylvania

### Selected Paleozoic taxa of Pennsylvania[edit]

* †Acidaspis
* †Agnostus
* †Alethopteris
* †Amphiscapha
* Restorative model of the Cambrian arthropod Anomalocaris

†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
* Life restoration of the Late Devonian placoderm fish Bothriolepis

†Bothriolepis
* †Byronia
* †Callixylon
* †Camarotoechia
* †Camptostroma
* †Cavusgnathus
* †Ceramopora
* †Ceratopsis
* †Chancelloria
* †Chancia
* †Chonetes
* †Cincinnetina
* †Cincinnetina multisecta
* †Cleiothyridina
* †Climacograptus
* Coccosteus cuspidatus restoration, shown attacking multiple Palaeospondylus'

†Coccosteus
* †Coelacanthus
* †Composita
* †Composita subtilita
* †Conotheca
* †Coosella
* †Coosia
* †Cordaites
* †Cornulites
* †Cornulites flexuosus
* †Craniops
* †Crepicephalus
* †Ctenerpeton – type locality for genus
* †Ctenopterus
* †Cyclonema
* Fossilized foliage from the Carboniferous seed fern Cyclopteris

†Cyclopteris
* †Cypricardinia
* †Cypricardinia indenta
* †Cyrtospirifer
* †Dawsonia
* †Deckera
* †Densignathus – type locality for genus
* †Diplocaulus – or unidentified comparable form
* †Diploceraspis
* †Diploceraspis burkei
* †Diplograptus
* Life restoration of the Permian synapsid (mammal precursor) Edaphosaurus

†Edaphosaurus
* †Edmondia
* †Eldredgeops
* †Eldredgeops rana
* †Elita
* †Elrathia
* †Elrathina
* †Endolobus
* †Eoagnostus
* †Erettopterus
* †Eryops
* †Esmeraldina
* †Euomphalus
* Fossil of the Late Ordovician-Permian tabulate coral Favosites

†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
* Life restoration of the Late Devonian four-limbed animal precursor Hynerpeton

†Hynerpeton – type locality for genus
* †Hynerpeton bassetti – type locality for species
* †Hyolithellus
* †Hyolithes
* †Hyolithid
* †Indiana – tentative report
* †Iocrinus
* †Irvingella
* †Isodectes
* Fossil of the Middle-Late Ordovician giant trilobite Isotelus.

†Isotelus
* †Isotelus gigas
* †Kiaeropterus
* †Kingstonia
* †Kladognathus
* †Kootenia
* †Kutorgina
* †Lancastria
* †Lepidostrobus
* †Leptomitus
* Lingula
* †Lingulella
* †Llanoaspidella – type locality for genus
* †Llanoaspis – tentative report
* †Lonchocephalus
* Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior

†Lysorophus
* †Margaretia
* †Martinia
* †Megalograptus – tentative report
* †Megamolgophis
* †Metacoceras
* †Michelinoceras
* †Micromitra
* †Mimagoniatites – tentative report
* †Mucrospirifer
* †Mucrospirifer mucronatus
* †Nanahughmilleria
* †Naticopsis
* Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer

†Neospirifer
* †Neospirifer cameratus
* †Neuropteris
* †Nisusia
* Nucula
* †Ogygopsis
* †Olenellus
* †Olenoides
* †Olenoides serratus
* †Orthacanthus
* †Orthoceras
* †Orthotheca
* †Oryctocephalus
* Restoration

†Osteolepis
* †Oulodus
* †Ozarkodina
* †Paedeumias
* †Pagetia
* †Paladin
* †Panenka
* †Parahughmilleria
* †Paraspirifer
* †Paterina
* †Pelagiella
* †Pemphigaspis
* †Pentremites
* †Peronopsis
* †Petalodus
* Fossil of the Devonian trilobite Phacops rana

†Phacops
* Pinna
* †Platyceras
* †Pleurodictyum
* †Proetus
* †Protobarinophyton
* †Protocaris
* †Protospongia – tentative report
* †Pugnax
* †Quasillites
* †Rhinocarcinosoma
* †Rhodea
* †Ribeiria
* †Ruedemannipterus
* †Salterella
* Fossilized fin of the Devonian lobe-finned fish Sauripterus

†Sauripterus
* †Sauripterus taylori
* †Schaefferia (Paleozoic plant) – or unidentified comparable form
* †Schizodiscus
* †Sciadophyton
* †Selkirkia
* †Sidneyia
* †Sigillaria
* †Solenochilus
* †Sowerbyella
* †Spathognathodus
* †Spirifer
* †Spyroceras
* †Strophomena
* †Taeniocrada
* †Tentaculites
* Diagram of the branches of the Middle-Late Devonian vascular plant Tetraxylopteris

†Tetraxylopteris
* †Titusvillia – type locality for genus
* †Triarthrus
* †Tricrepicephalus
* †Trimerus
* †Tubulella
* †Tuzoia
* †Urasterella
* †Vinella
* †Wanneria
* †Wilkingia
* †Worthenia
* †Yochelcionella

## Mesozoic[edit]

* †Anchisauripus
* †Anchisauripus gwyneddensis – type locality for species
* †Anchisauripus poolei – type locality for species
* †Anchisauripus sillimani
* Fossil (right) of the Early Jurassic dinosaur footprint ichnogenus Anomoepus

†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
* Life restoration of the Middle Devonian lungfish Dipterus

†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
* Fossilized skeleton of the Middle Triassic amphibian Mastodonsaurus

†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
* Life restoration of the Late Triassic phytosaur Rutiodon

†Rutiodon
* †Rutiodon carolinensis
* †Scoyenia
* †Sphodrosaurus – type locality for genus
* †Sphodrosaurus pennsylvanicus – type locality for species
* †Suchoprion
* †Suchoprion aulacodus
* †Suchoprion cyphodon
* †Synorichthys
* †Turseodus

## Cenozoic[edit]

* Acidota
* †Acidota crenata
* †Acidota quadrata
* Illustration of an Aegialia dung beetle

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
* Restoration of an Arctodus, or short-faced bear, with a human to scale

†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
* A living Blarina brevicauda, or northern short-tailed shrew

†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
* Modern mounted skeleton of Canis lupus, 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
* A living Crocuta crocuta, 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
* A preserved Diacheila ground beetle

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
* A living Emys blandingii, or Blanding's turtle

†Emydoidea blandingii
* Enochrus
* Equus
* †Equus complicatus
* †Equus pectinatus
* Erethizon
* †Erethizon dorsatum
* Eucnecosum
* †Eucnecosum brunnescens
* Glyptemys
* †Glyptemys insculpta
* Gulo
* A living Gulo gulo, or wolverine

†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
* A living Pseudacris crucifer (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
* Life restorations of a Mammut americanum, 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
* Restoration of the Pliocene-Pleistocene Miracinonyx, or American cheetah

†Miracinonyx
* †Miracinonyx inexpectatus – or unidentified comparable form
* Mustela
* Mycetoporus
* †Mylohyus
* †Mylohyus fossilis
* Myotis
* Napaeozapus
* †Napaeozapus insignis
* Natrix
* A living Neofiber, or round-tailed muskrat

Neofiber
* †Neofiber diluvianus – type locality for species
* Nerodia
* †Nerodia sipedon
* Nitidotachinus
* †Nitidotachinus tachyporoides
* Notaris
* †Notaris aethiops
* Notiophilus
* Ochthebius
* Odocoileus
* A living Odocoileus virginianus, or white-tailed deer

†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
* Fossilized skeleton of the Pliocene-Pleistocene ground sloth 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
* Restoration of a herd of alarmed Miocene-Pleistocene peccaries 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
* Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon

†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
* A living Tapirus, or tapir

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
* A living Urocyon cinereoargenteus, or gray fox

†Urocyon cinereoargenteus
* Ursus
* †Ursus americanus
* Vulpes
* Zapus
* †Zapus hudsonius

## References[edit]

* Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. `{{cite web}}`: `|author=` has generic name (help)

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