List of the Paleozoic life of Pennsylvania

• †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 • with insets detailing its anatomy †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 • †Glabrocingulum grayvillense • †Glaphyraspis • †Glaphyraspis ovata • †Glaukerpeton – type locality for genus • †Glaukerpeton avinoffi – type locality for species • †Glyptocrinus • †Glyptodesma • †Glyptodesma erectum – tentative report • †Gnathodus • †Goniomylacris – type locality for genus • †Goniomylacris pauper – type locality for species • †Goniophora • †Goniophora hamiltonensis • †Grandispora • †Grandispora cornuta • †Grandispora upensis • †Gravicalymene'' • †Greenops • †Greenops boothi ==H==

• †Hadrotreta • †Hallipterus'' • †Hallipterus lacoanus • †Hapaloptera – type locality for genus • †Hapaloptera gracilis – type locality for species • †Hardieopterus • †Hardieopterus myops • †Hazelia • †Hazelia walcotti • †Healdia • †Helcionella • †Hemimylacrella • †Hemimylacrella mammothi – type locality for species • †Hemimylacris • †Hemimylacris ramificata – type locality for species • †Herrmannina • †Heslerodus • †Heslerodus divergens • †Hexactinellid • †Hexactinellid spicules • †Hibbardella • †Hibbardia • †Hibbardia lacrimosa • †Hindeodus • †Holcacephalus • †Holcacephalus tunda • †Hollinella • †Hollinella sella – or unidentified comparable form • †Hollinella tricollina • †Holonema'' • †Holonema horrida – type locality for species • †Holonema rugosa • †Holopea • †Holoptychius • †Holoptychius americanus • †Holoptychius filosus – type locality for species • †Holoptychius giganteus • †Holoptychus • †Holoptychus flabellatus – type locality for species • †Holoptychus latus – type locality for species • †Holoptychus serrulatus – type locality for species • †Homacanthus • †Homacanthus acinaciformis – type locality for species • †Homilodonta • †Homilodonta filistriata • †Hostimella • †Hostimella crispa • †Housia • †Housia vacuna • †Hudsonaster • †Hudsonaster lancolatus – or unidentified comparable form • †Hughmilleria • †Hughmilleria shawangunk • †Hymenocaris • †Hymenozonotriletes • †Hymenozonotriletes explanatus • †Hymenozonotriletes granulatus • †Hynerpeton'' – type locality for genus • †Hynerpeton bassetti – type locality for species • †Hyolithellus • †Hyolithellus micans • †Hyolithes • †Hyolithes wanneri • †Hyolithid • †Hypselentoma • †Hypselentoma perhumerosa • †Hystricosporites • †Hystricosporites multifurcatus • †Hystricosporites porcatus • †Hystriculina • †Hystriculina wabashensis ==I==

• †Ianthinopsis • †Iddingsia • †Iddingsia anatina • †Idiomylacris – type locality for genus • †Idiomylacris gracilis – type locality for species • †Imlerella • †Imlerella praecipita – type locality for species • †Indiana – tentative report • †Inflatia • †Inocaulis • †Iocrinus • †Iocrinus subcrassus • †Irvingella • †Irvingella major • †Isodectes'' • †Isodectes obtusus – type locality for species • †Isotelus • †Isotelus gigas • †Ithycephalus ==K==

• †Katabuporhynchus • †Katabuporhynchus mesacostalis • (specimens 1-8) †Kiaeropterus'' • †Kiaeropterus otisius • †Kindbladia • †Kindbladia wichitaensis • †Kingstonia • †Kingstonia apion • †Kingstonia ara • †Kingstonia cheilusis – type locality for species • †Kingstonia trapezoidia – type locality for species • †Kingstonia ulrichi – type locality for species • †Kingstonia walcotti • †Kinklidoblatta • †Kinklidoblatta lesquereuxi – type locality for species • †Kinocera – tentative report • †Kinzercystis • †Kinzercystis durhami • †Kinzeria – type locality for genus • †Kinzeria crinita – type locality for species • †Kladognathus • †Kloedinia • †Knoxisporites • †Knoxisporites dedaleus • †Kochiella • †Kootenia'' • †Kootenia marcoui • †Kraeuselisporites • †Kutorgina • †Kutorgina cingulata • †Kutorgina edsoni • †Kyphocephalus ==L==

'' • †Lacoea • †Lacoea seriata – type locality for species • †Lagenospermum • †Lagenospermum imparirameum • †Lambdagnathus • †Lancastria • †Lecanospira • †Lecanospira compacta • †Lecanospira salteri – or unidentified comparable form • †Leiorhynchus • †Leiozonotriletes • †Lepdidodendropsis • †Leperditia • †Lepidocystis • †Lepidocystis wanneri • †Lepidodendropsis • †Lepidodendropsis scobiniformis • †Lepidodendropsis stigillariodes • †Lepidodendropsis stigillaroides • †Lepidodendropsis vandergrachti • †Lepidostrobus • †Lepidostrobus gallowayi • †Leptaena • †Leptaena rhomboidalis • †Leptaena richmondensis – or unidentified comparable form • †Leptodesma • †Leptodesma cadmus • †Leptodesma extenuatum • †Leptodesma hector • †Leptodesma laevis • †Leptodesma lichas • †Leptodesma maclurii • †Leptodesma mortoni • †Leptodesma naviforme • †Leptodesma nereus • †Leptodesma nitida • †Leptodesma orus • †Leptodesma patulum • †Leptodesma pelops • †Leptodesma phaon • †Leptodesma sayi • †Leptodesma sociale • †Leptodesma spinerigum • †Leptomitus • †Lichenocrinus • Lingula • †Lingula carbonaria • †Lingula delia • †Lingula ligea • †Lingulella'' • †Lingulella marcia – or unidentified comparable form • †Lingulepis • †Lingulepis acuminata • †Linoproductus • †Linoproductus cora • †Liospira • †Liospira americana • †Llanoaspidella – type locality for genus • †Llanoaspidella bigenusia – type locality for species • †Llanoaspidella warriorsmarkensis – type locality for species • †Llanoaspis – tentative report • †Lonchocephalus • †Lonchocephalus planus – type locality for species • †Lonchocephalus swartzi – type locality for species • †Lonchocephalus waddlei – type locality for species • †Longispina • †Longispina mucronatus • †Lophophyllidium • †Lophophyllidium profundum • †Lophospira • †Lophozonotriletes • †Lophozonotriletes excisus • †Lophozonotriletes tuberosus • †Loxonema • showing speculative egg-coiling behavior †Lysorophus'' • †Lysorophus dunkardensis ==M==

• †Macluritella – tentative report • †Macluritella multiseptarius • †Maeneceras • †Maeneceras milleri • †Margaretia • †Mariopteris • †Martinia • †Mediospirifer • †Mediospirifer audaculus • †Mediospirifer belliplicata • †Mediospirifer bellitropis • †Mediospirifer dromgoldi • †Megakozlowskiella • †Megakozlowskiella sculptilis • †Megalograptus'' – tentative report • †Megamolgophis • †Megamolgophis agostinii • †Megastrophia • †Menomonia • †Menomonia calymenoides • †Mesitoblatta • †Mesitoblatta emersoni – type locality for species • †Mesotaphraspis • †Metacoceras • †Metacoceras cornutum • †Metaxyblatta – type locality for genus • †Metaxyblatta hadroptera – type locality for species • †Metropator – type locality for genus • †Metropator pusillus – type locality for species • †Michelinoceras • †Micromitra • †Micromitra alabamensis • †Mimagoniatites – tentative report • †Modiella • †Modiella pygmaea • †Modiolopsis • †Modiomorpha • †Modiomorpha concentrica • †Modocia • †Modocia benorensis – type locality for species • †Monotrypa • †Monotrypa benjamini • †Mucrospirifer'' • †Mucrospirifer mucronatus • †Mylacridae • †Mylacridae carbonina • †Mylacris • †Mylacris angusta – type locality for species • †Mylacris anthracophila – type locality for species • †Mylacris dubia – type locality for species • †Mylacris lucifuga – type locality for species • †Mylacris ovalis – type locality for species • †Mylacris pennsylvanica – type locality for species • †Mylacris truncatula – type locality for species ==N==

• †Nalivkinella • †Nalivkinella echoense • †Nanahughmilleria • †Nanahughmilleria clarkei • †Naticonema • †Naticopsis'' • †Necymylacris • †Necymylacris heros – type locality for species • †Necymylacris lacoana – type locality for species • †Neoblairella – type locality for genus • †Neoblairella crassimarginata – type locality for species • †Neochonetes • †Neochonetes granulifer • †Neomylacris • †Neomylacris major – type locality for species • †Neomylacris pulla – type locality for species • †Neoprionodus • †Neoraistrickia • †Neosimplicius – type locality for genus • †Neosimplicius medialis – type locality for species • †Neospirifer • †Neospirifer cameratus • †Neriopteris • †Neriopteris lanceolata • †Nervostrophia • †Nervostrophia nervosa • †Neuropteris'' • †Nisusia • †Nisusia festinata • Nucula • †Nucula bellistriata • †Nucula lirata • Nuculana • †Nuculites • †Nuculites oblongatus • †Nuculites planulatus • †Nuculites triqueter • †Nuculopsis • †Nuculopsis girtyi ==O==

• †Octonaria • †Octonaria bifurcata • †Octonaria dicristata • †Octonaria quadricostata • †Ogygopsis • †Ogygopsis klotzi • †Olenellus • †Olenellus alius • †Olenellus similaris • †Olenellus wanneri • †Olenoides'' • †Olenoides buttsi – type locality for species • †Olenoides pennsylvanicus – type locality for species • †Olenoides serratus • †Olethroblatta • †Olethroblatta americana – type locality for species • †Orbiculoidea • †Orbiculoidea tullia • †Orsadesmus – type locality for genus • †Orsadesmus rubecollus – type locality for species • †Orthacanthus'' • †Orthacanthus compressus • †Orthacanthus platypternus • †Orthacanthus texensis • †Orthoceras • †Orthograptus • †Orthograptus quadrimucronatus • †Orthomylacris • †Orthomylacris alutacea – type locality for species • †Orthomylacris analis – type locality for species • †Orthomylacris cordiformis – type locality for species • †Orthomylacris mansfieldi – type locality for species • †Orthomylacris pauperata – type locality for species • †Orthomylacris pennsylvaniae – type locality for species • †Orthomylacris pittstoniana – type locality for species • †Orthomylacris pluteus – type locality for species • †Orthonota • †Orthonota parvula – tentative report • †Orthonota undulata • †Orthonychia • †Orthonychia parva • †Orthotetes • †Orthotheca • †Orthotheca shriveri – type locality for species • †Oryctocephalus • †Osteolepis • †Oulodus • †Ovatia • †Oxynoblatta • †Oxynoblatta vicina – type locality for species • †Ozarkodina ==P==

• †Paedeumias • †Paedeumias eboracense • †Paedeumias glabrum • †Paedeumias yorkense • †Pagetia'' • †Paladin • †Palaeoneilo • †Palaeoneilo constricta • †Palaeoneilo fecunda • †Palaeoneilo muta • †Palaeoneilo oweni • †Palaeoneilo plana • †Palaeoneilo tenuistriata • †Palaeotherates • †Palaeotherates pennsylvanicus – type locality for species • †Palaeozygopleura • †Palaeozygopleura delphicola • †Panenka • †Parabolbina • †Parabolbina cardocornella • †Parabolbina obliqua • †Parabolinella • †Parabolinella occidentalis • †Parabolinoides • †Paracyclas • †Paracyclas lirata • †Parahaplophlebium • †Parahaplophlebium longipenne – type locality for species • †Parahughmilleria • †Parahughmilleria maria • †Parajuresania • †Parajuresania nebrascensis • †Parallelodon • †Parallelodon obsoletus • †Paranacystites • †Paraspirifer'' • †Paraspirifer acuminatus • †Parvohallopora • †Parvohallopora dalei – or unidentified comparable form • †Paterina • †Paterina bella • †Pelagiella • †Pemphigaspis • †Pemphigaspis bullata • †Pemphigaspis intermedia – type locality for species • †Pemphigaspis matutina • †Penniretepora • †Pentremites'' • †Periomella • †Periomella roddyi • †Periomella yorkensis • †Peronopsis • †Petalodus • †Petalodus ohioensis • †Petrocrania • †Phacops'' • †Pharkidonotus • †Pharkidonotus percarinatus • †Phestia • †Philhedra • †Philhedra laelia – or unidentified comparable form • †Phoberoblatta – type locality for genus • †Phoberoblatta grandis – type locality for species • †Phoberoblatta reticulata – type locality for species • †Pholidops • †Pholidostrophia • †Pholidostrophia pennsylvanica • †Phragmactis • †Phricodothyris • †Phthinomylacris • †Phthinomylacris medialis – type locality for species • †Phthinomylacris pauper – type locality for species • †Phthonia • †Phthonia sectifrons • †Phyloblatta • †Phyloblatta indecisa – type locality for species • †Phyloblatta prior – type locality for species • †Pinctus • †Pinctus latus • Pinna • †Pionoceras • †Pionoceras swartzi • †Plagioblatta • †Plagioblatta campbelli – type locality for species • †Plagioblatta cockerelli – type locality for species • †Plagioglypta • †Plagioglypta meekiana • †Planoendothyra – tentative report • †Planoendothyra associata • †Planutenia • †Planutenia flectata • †Plasiochiton – type locality for genus • †Plasiochiton curiosus – type locality for species • †Platyceras'' • †Platyceras euomphaloides • †Platyceras lineatum • †Platylichas • †Plectorthis • †Plectorthis plicatella • †Pleurodictyum • †Pleurodictyum styloporum • †Polidevcia • †Polidevcia bellistriata • †Poliella • †Poliella bala • †Polypora • †Ponderodictya • †Ponderodictya favulosa • †Ponderodictya punctulifera • †Poroblattina • †Poroblattina parvula – type locality for species • †Praewaagenoconcha • †Praewaagenoconcha speciosa • †Primitiella • †Primitiella unicornis • †Prismopora • †Productella • †Productella rectispina • †Productus • †Proetus'' • †Proetus haldemani – tentative report • †Proetus parviusculus • †Prolepidodendron • †Prolepidodendron breviinternodium • †Promopalaeaster • †Promopalaeaster bellulus • †Promopalaeaster pricei • †Promytilus • †Protobarinophyton • †Protobarinophyton pennsylvanicum • †Protocaris'' • †Protocycloceras • †Protocycloceras rushense • †Protoleptostrophia • †Protoleptostrophia perplana • †Protomya – or unidentified comparable form • †Protospongia – tentative report • †Prozacanthoides • †Pseudoatrypa • †Pseudoatrypa devoniana • †Pseudolingula • †Pseudolingula rectilateralis • †Pseudopaolia • †Pseudopaolia lacoana – type locality for species • †Pseudopolyernus • †Pseudopolyernus laminarum – type locality for species • †Pseudosaratogia • †Pseudosaratogia bulbosa • †Pseudosaratogia lata – tentative report • †Pseudosaratogia magna • †Pseudotealliocaris • †Pseudotealliocaris palincsari • †Pteridomylacris – type locality for genus • †Pteridomylacris paradoxa – type locality for species • †Pterinea • †Pterinopecten • †Pterinopecten hermes • †Pterinopecten princeps • †Pterochaenia • †Pterygometopus • †Pterygometopus achates • †Ptilograptus • †Ptilomylacris – type locality for genus • †Ptilomylacris medialis – type locality for species • †Ptilopora • †Ptomatis • †Ptychoglyptus • †Ptychoglyptus virginensis – or unidentified comparable form • †Ptychoparella • †Ptychoparella lancastra • †Ptychopteria • †Ptychopteria chemungensis • †Ptychopteria flabella • †Ptychopteria salamanca • †Ptylopora • †Pugnax • †Pugnax pugnus • †Pustula • †Pustula pertenuis • †Pustulatia • †Pustulatia pustulosa ==Q==

• †Rafinesquina • †Rafinesquina alternata • †Retichonetes • †Retichonetes marylandicus • †Retichonetes vicinus • †Retispira • †Retispira marcouianus • †Retusotriletes • †Retusotriletes phillipsii • †Rhacophyton • †Rhacopteris • †Rhinidictya • †Rhinocarcinosoma'' • †Rhinocarcinosoma cicerops • †Rhipidomella • †Rhipidomella leucosia • †Rhipidomella penelope • †Rhipidomella vanuxemi • †Rhodea • †Rhodea alleghanensis – type locality for species • †Rhodea tionestana – type locality for species • †Rhodea vespertina – type locality for species • †Rhombopora • †Rhytimya • †Rhytimya radiata • †Ribeiria • †Ribeiria parva – or unidentified comparable form • †Roddyia • †Rodea (genus) • †Rodea vespertina – type locality for species • †Ruedemannipterus • †Ruedemannipterus stylonuroides • †Rugospora • †Rugospora flexuosa ==S==

• †Salterella'' • †Salterella acervulosa • †Salterella conulata • †Salterella mccullochi • †Salterella pulchella • †Sanguinolites • †Sapphicorhynchus • †Sapphicorhynchus sappho • †Saratogia • †Saratogia type locality for species – informal • †Sauripterus'' • †Sauripterus taylori • †Schaefferia (Paleozoic plant) – or unidentified comparable form • †Schizoblatta • †Schizoblatta pennsylvanica – type locality for species • †Schizodiscus • †Schizodiscus capsa • †Schizodus • †Schizodus cuneatus • †Schizophoria • †Schizophoria amanaensis • †Schizophoria impressa • †Schizophoria striatula • †Schuchertella • †Schuchertella parva • †Schuchertella variabilis • †Schuchertia • †Schuchertia laxata • †Sciadophyton • †Secarisporites • †Selkirkia • †Septopora • †Serracaris • †Shansiella • †Shansiella carbonaria • †Sidneyia'' • †Sigillaria • †Sinochonetes • †Sinochonetes lepidus • †Sinuites • †Sinuites cancellatus • †Soleniscus • †Soleniscus primogenia • †Soleniscus typicus • †Solenochilus • †Solenochilus collectum • †Solenopleurella • †Solenopleurella elatifrons – type locality for species • †Solenopleurella transversa – type locality for species • †Solutotherates • †Solutotherates analis – type locality for species • †Sowerbyella • †Sowerbyella plicatellus • †Sowerbyella rugosa • †Spathognathodus • †Spelaeotriletes • †Spelaeotriletes crustalus • †Spelaeotriletes resolutus • †Sphenomylacris • †Sphenomylacris singularis – type locality for species • †Spinatrypa • †Spinatrypa hystrix • †Spinatrypa spinosa • †Spinocyrtia • †Spinocyrtia girtyi • †Spinocyrtia granulosa • †Spinocyrtia macbridei • †Spinulicosta • †Spinulicosta spinulicosta • †Spirifer'' • †Spirifer disjunctus • †Spirifer varicosa • †Spongophylloides • †Spyroceras • †Spyroceras nuntium • †Stauromatidium • †Stauromatidium marylandicum • †Stemtonoceras • †Stemtonoceras elongatum • †Stenomylacris – type locality for genus • †Stenomylacris elegans – type locality for species • †Stereolasma • †Stittaspis • †Stittaspis loria – type locality for species • †Straparollus • †Striacoceras • †Striacoceras typum – tentative report • †Strobeus • †Strobeus paludinaeformis • †Strophalosia • †Strophalosia truncata • †Stropheodonta • †Stropheodonta demissa • †Strophomena'' • †Styliolina • †Styliolina bellistriata • †Styliolina fissurella • †Subrensselandia • †Subrensselandia claypolii • †Sulcocephalus • †Sulcocephalus candidus • †Sulcocephalus granulosus • †Sulcoretepora • †Sulcoretepora incisurata • †Sulcoretepora sinuosa – or unidentified comparable form • †Swataria – type locality for genus • †Swataria derstleri – type locality for species • †Syntrophina • †Syscioblatta • †Syscioblatta allegheniensis – type locality for species • †Syscioblatta pennsylvanica – type locality for species ==T==

• †Tabulipora • †Taeniaster • †Taeniaster maximus • †Taenicephalus • †Taenicephalus shumardi • †Taeniocrada'' • †Taeniopora • †Taeniopora exigua • †Taonurus • †Tellinopsis • †Temnocheilus • †Temnocheilus crassus • †Tentaculites • †Tentaculites attenuatus • †Tetradella • †Tetradella multipustulosa • †Tetraxylopteris • †Thlipsura • †Thlipsura ultimata • †Thlipsurella • †Thlipsurella semipunctata • †Titanodictya • †Titanodictya jucunda – type locality for species • †Titusvillia – type locality for genus • †Titusvillia drakei – type locality for species • †Trepospira • †Trepospira illinoisensis • †Triarthrus'' • †Triarthrus becki • †Tricrepicephalus • †Tricrepicephalus arcuatus – type locality for species • †Trimerus • †Trimerus dekayi • †Triphyllopteris • †Triphyllopteris biloba – type locality for species • †Triphyllopteris latilobata – type locality for species • †Triphyllopteris latilobatus • †Triphyllopteris lescuriana • †Trocophyllum • †Trocophyllum breviinternodium • †Tropidoleptus • †Tropidoleptus carinatus • †Truncalosia • †Truncalosia truncata • †Truncatiramus – now regarded as a jr. synonym of Erettopterus • †Tryplasma • †Tubulella • †Tuzoia • †Tylothyris • †Tylothyris mesacostalis • †Tylothyris pauliformis ==U==

• †Ulrichia • †Ulrichia elongata • †Ulrichia spinifera • †Urasterella'' • †Urasterella pulchella ==V==

• †Vallatisporites • †Vallatisporites pusilites • †Vernonaspis • †Verrucosisporites • †Verrucosisporites nitidus • †Verrucosisporites scurrus • †Vinella ==W==