This list of the Paleozoic life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Pennsylvania and are between 538.8 and 252.17 million years of age.
A
†Acanthopecten †Acanthopecten carboniferous †Acidaspis †Acidaspis cincinnatiensis †Acrothele †Acrothele decipiens †Acrothele yorkensis †Acrotreta †Actinomylacris †Actinomylacris similis – type locality for species †Actinopteria †Actinopteria boydi †Actinopteria boydii †Actinopteria decussata †Adelphobolbina †Adelphobolbina medialis †Adiantites †Adiantites mirabilis †Adiantites spectabilis – type locality for species †Adiantites ungeri – type locality for species †Adiatites †Adiatites cyclopteroides – type locality for species †Adiatites spectabilis – type locality for species †Aechmina †Agassizocrinus †Ageleodus †Ageleodus pectinatus †Aglaoglypta †Aglaoglypta maera †Aglaoglypta nactoides †Agnostus †Alcicornopteris †Alcicornopteris altoonensis – type locality for species †Alcicornopteris anthracitica – type locality for species †Alethopteris †Alethopteris densinervosa †Alethopteris ingbertensis †Alethopteris lonchitifolia †Alethopteris missouriensis †Alethopteris serli †Alethopteris westphalensis †Allanella †Allanella tullius †Alokistocare †Alokistocare aoris – type locality for species †Alokistocare nasutum – type locality for species †Ambocoelia †Ambocoelia gregaria †Ambocoelia umbonata †Amboneura – type locality for genus †Amboneura klosei – type locality for species †Americaspis †Amphiscapha †Amphiscapha catilloides †Amphissites †Anastomopora †Ancyrospora †Aneurospora †Aneurospora greggsii †Anisotrypa †Ankoura †Ankoura apicalis †Ankoura orbiculata – or unidentified comparable form †Ankoura sublettensis †Anomalocaris †Anomalocaris lineata †Anomomylacris – type locality for genus †Anomomylacris cubitalis – type locality for species †Anoplea †Anoplea nucleata †Anoplotheca †Anthracospirifer †Aparchites †Aparchites subrotunda †Aphthoroblattina †Aphthoroblattina fascigera – type locality for species †Aphyllum †Aphyllum fascicularium †Archaeopteridium †Archaeopteridium bellasylviana – type locality for species †Archaeopteris †Archaeopteris halliana †Archaeopteris latifolia †Archaeopteris macilenta †Archaeopteris minor †Archaeopteris roemeriana – or unidentified comparable form †Archaeopteris rogersi †Archaeosperma †Archaeosperma arnoldii †Archaeotriletes †Archaeotriletes senticosus †Archeopteris †Archeopteris latifolia †Archimylacris †Archimylacris parallelum †Archinacella †Armathyraster †Armathyraster paradoxis †Arthrophycus †Articulatae †Asaphiscus †Asaphiscus glaber †Asemoblatta – type locality for genus †Asemoblatta pennsylvanica – type locality for species †Astartella †Astartella vera †Atalotaenia – type locality for genus †Atalotaenia adela – type locality for species †Ateleocystites †Ateleocystites huxleyi †Athyris †Athyris angelica †Athyris spiriferiodes †Athyris spiriferoides †Atimoblatta – type locality for genus †Atimoblatta curvipennis – type locality for species †Atimoblatta flexuosa – type locality for species †Atimoblatta reducta – type locality for species †Atlanticocoelia †Atlanticocoelia acutiplicata †Atrypa †Atrypa recticularis †Atrypa reticularis †Aulocystis †Auroraspora †Auroraspora hyalina †Auroraspora macra †Auroraspora solisorta †Auroraspora torquata †Aviculopecten †Aviculopecten bellus †Aviculopecten equilatera †Aviculopecten occidentalis
B
†Bactrites †Barbclabornia †Barbclabornia luedersensis †Barinophyton †Barinophyton citrulliforme †Barinophyton obscurum †Bathyuriscus †Batostoma †Bellerophon †Bellerophon clarki †Bellerophon nactus †Bembexia †Bembexia laevis Berenicea †Beyrichoceratoides †Beyrichoceratoides lunatus †Bisporangiostrobus †Bisporangiostrobus harrisii †Blainia †Blainia buttsi – type locality for species †Blairella †Blairella triangularis – type locality for species †Blattoidea †Blattoidea schucherti – type locality for species †Blountia †Blountia prolifica – type locality for species †Blountia waddlensis †Blountia warriorensis – type locality for species †Bollia †Bollia hama †Bollia hindei †Bollia planofibra †Bollia spinomuralis †Bollia ungula †Bolllia †Bolllia ungula †Bonneterrina †Bonneterrina aspinosa – type locality for species †Bonnia †Bonnia bubaris †Bonnia capito †Bonnia senecta – tentative report †Bonniella †Bonniella yorkensis †Bothriolepis †Bothriolepis nitida †Bothriolepis nitidus †Brachycycloceras †Brachycycloceras curtum †Brachymylacris †Brachymylacris bassleri – type locality for species †Brachymylacris elongata – type locality for species †Brachymylacris rotundata – type locality for species †Bucanopsis †Bufina †Bufina bicornuta †Burnetiella †Burnetiella ectypa †Burnetiella urania †Buttisia †Buttisia drabensis †Buttsia †Buttsia completa †Buttsia drabensis †Bynumia †Bynumia terrenda †Bynumina †Bynumina terrenda †Bynumina type locality for species – informal †Bynuminia †Bynuminia terrenda †Byronia †Byssonychia – tentative report †Byssonychia vera – or unidentified comparable form Bythocypris
C
†Calathiops †Calathiops pottsvillensis – type locality for species †Calathospongia †Calathospongia carceralis †Calathospongia carlli †Calathospongia tidioutensis †Callixylon †Caloneurella – type locality for genus †Caloneurella carbonaria – type locality for species †Calvibembexia †Calvibembexia sulcomarginata †Camaraspis †Camaraspis convexa †Camarotoechia †Camarotoechia constricta †Camarotoechia prolifica †Camarotoechia saxatilis †Camerella †Camptostroma †Camptostroma roddyi †Cardiocarpon †Cardiocarpon phillipsi – type locality for species †Cariniferella †Cariniferella carinata †Cariniferella tioga †Carydium †Carydium bellastriatum †Cavellina †Cavellina planoprocliva †Cavusgnathus †Centronella †Ceramopora †Ceramopora incondita †Ceratopsis †Ceratopsis chambersi †Ceriocrinus †Chalepomylacris – type locality for genus †Chalepomylacris pulchra – type locality for species †Chancelloria †Chancelloria yorkensis †Chancia †Cheilocephalus †Cheilocephalus quadratus – type locality for species †Chonetes †Chonetes buttsi †Chonetes hemisphericus †Chonetinella †Chonetinella verneuilana †Cincinnaticrinus †Cincinnetina †Cincinnetina multisecta †Cladopora †Cladopora seriata †Cleiothyridina †Cliffia †Cliffia lataegenae †Cliffia latagenae †Climacograptus †Climacograptus typicalis †Cobaloblatta – type locality for genus †Cobaloblatta simulans – type locality for species †Coccosteus †Coccosteus macromus – type locality for species †Coelacanthus †Coleolus †Colpodexylon †Colpodexylon deatsii †Colpomya †Colpomya faba †Comanchia †Comanchia amplooculata †Composita †Composita subtilita †Conaspis †Conotheca †Conotheca australiensis – or unidentified comparable form †Conularia †Conularia trentonensis – tentative report †Convolutispora †Convolutispora opressa – or unidentified comparable form †Coosella †Coosella convexa – type locality for species †Coosella vulgaris – type locality for species †Coosia †Coosia pustulata – type locality for species †Corbulispora †Corbulispora cancellata †Cordaites †Cornellites †Cornellites flabella †Cornulites †Cornulites flexuosus †Cornulites progressus – or unidentified comparable form †Corticospongia – type locality for genus †Corticospongia bradfordensis – type locality for species †Cranaena †Craniops †Craniops hamiltoniae †Craniops subtruncata †Crenistriella †Crenistriella crenistria †Crepicephalus †Crurithyris †Crurithyris planoconvexa †Cryptolithus †Cryptolithus bellulus †Cryptolithus recurvus †Cryptozoon †Cryptozoon undulatum †Ctenerpeton – type locality for genus †Ctenerpeton remex – type locality for species †Ctenoloculina †Ctenoloculina cicatricosa †Ctenopterus †Ctenopterus cestrotus †Cuneamya †Cupularostrum †Cupularostrum congregata †Cupularostrum contracta †Cupularostrum exima †Cupularostrum orbicularis †Cyclonema †Cyclopteris †Cymatospira †Cymatospira montfortianus †Cypricardella †Cypricardella bellastriata †Cypricardella bellistriata †Cypricardella tenuistriata †Cypricardina †Cypricardina indenta †Cypricardinia †Cypricardinia indenta †Cyrtina †Cyrtina hamiltonensis †Cyrtospirifer †Cyrtospirifer disjunctus †Cyrtospora †Cyrtospora cristifera – or unidentified comparable form †Cystihalysites
D
†Dawsonia †Dawsonia parkeri †Deadwoodia †Deadwoodia duris †Dechenella †Deckera †Deckera completa †Dekayella †Dellea †Dellea glabellamersa †Dellea rogersi – type locality for species †Dellea saratogensis †Delthyris †Deltodus †Deltodus angularis †Densignathus – type locality for genus †Densignathus rowei – type locality for species †Derbyia †Derbyia crassa †Derbyia robusta †Devonochonetes †Devonochonetes coronatus †Devonochonetes scitulus †Devonochonetes syrtalis †Diacanthaspis †Diaphanospora †Diaphragmus †Dictyomylacris †Dictyotomaria †Dictyotomaria capillaria †Dictyotriletes †Dictyotriletes nefandus †Dieconeurites – type locality for genus †Dieconeurites rigidus – type locality for species †Diplocaulus – or unidentified comparable form †Diploceraspis †Diploceraspis burkei †Diplograptus †Diplograptus nexus †Ditomopyge †Ditomopyge scitulus †Dizygopleura †Dodecaactinella †Dodecaactinella spicules †Dokimocephalus – tentative report †Dokimocephalus intermedius †Douvillina †Douvillina cayuta †Douvillina inaequistriata †Drabia †Drabia acroccipita †Drabia acrocclpita †Drabia acrocclptia †Drabia menusa †Drabia typica †Dunbarella †Dunbarella striata
E
†Echinoconchus †Echinoconchus punctatus †Ectenocrinus †Ectenocrinus simplex †Edaphosaurus †Edaphosaurus raymondi – type locality for species †Edmondia †Eldredgeops †Eldredgeops rana †Elita †Elita fimbriata †Elrathia †Elrathia grazierensis – type locality for species †Elrathina †Elvinia †Elvinia roemeri †Embolophyllum †Embolophyllum clarki †Embolophyllum coralliferum †Embolophyllum schucherti †Emmanuella †Emmanuella subumbona †Emphanisporites †Emphanisporites annulatus – or unidentified comparable form †Emphanisporites pantagiatus – or unidentified comparable form †Emphanisporites rotatus †Endolobus †Endothyra †Endothyranella †Endothyranella nitida – or unidentified comparable form †Endothyranella stormi – or unidentified comparable form †Entellophylloides †Entellophylloides inequalils †Eoagnostus †Eoagnostus roddyi †Eoobolus †Eoobolus priscus †Eoorthis †Eoorthis indianola †Eoserpeton †Eoserpeton tenuicorne – type locality for species †Eothele †Eothele tubulus †Erettopterus †Erettopterus globiceps †Eryops †Eryops avinoffi †Eshelmania †Esmeraldina †Esmeraldina macer †Euglyphella †Euglyphella numismoides †Eukloedenella †Eumetria †Euomphalus †Eupachycrinus †Euphemites †Euphemites carbonarius
F
†Fabreciella – type locality for genus †Fabreciella pennsylvanica – type locality for species †Favosites †Favosites niagarensis †Fedexia †Fenestella †Fenestella emaciata †Fenestella sinuosa †Fimbrispirifer †Finkelnburgia †Finkelnburgia bridgei – or unidentified comparable form †Fistuliporella †Fistuliporella minima †Fletcherina †Fletcherina incognita – or unidentified comparable form †Floweria †Floweria chemungensis
G
†Ganorhynchus †Ganorhynchus oblongus – type locality for species †Geminospora †Genevievella †Genevievella campbellina – type locality for species †Genevievella pennstatensis – type locality for species †Genevievella plesiochielus – type locality for species †Gigantocharinus – type locality for genus †Gigantocharinus szatmaryi – type locality for species †Girtya †Girtya pennslvanica †Girtya pennsylvanica – type locality for species †Glabrocingulum