List of the Paleozoic life of Pennsylvania

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.

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Contents

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• † 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

• 

  Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris

  † 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

• 

  Restorative model of the Cambrian arthropod Anomalocaris

  † 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

  • 

    Life restoration of the Late Devonian-Carboniferous tree Archaeopteris macilenta 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

• 

  Fossil of the Cambrian trilobite Asaphiscus

  † 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

  • 

    Fossilized shell of the Silurian-Late Devonian brachiopod Atrypa reticularis

    † Atrypa reticularis
• † Aulocystis
• † Auroraspora
  • † Auroraspora hyalina
  • † Auroraspora macra
  • † Auroraspora solisorta
  • † Auroraspora torquata
• † Aviculopecten
  • † Aviculopecten bellus
  • † Aviculopecten equilatera
  • † Aviculopecten occidentalis

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Contents

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• D
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• F
• G
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• I
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• † Bactrites
• † Barbclabornia
  • † Barbclabornia luedersensis
• † Barinophyton
  • † Barinophyton citrulliforme
  • † Barinophyton obscurum
• † Bathyuriscus
• † Batostoma

• 

  Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon

  † 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

• 

  Fossilized bony armor of the Late Devonian placoderm fish Bothriolepis

  

  Life restoration of the Late Devonian placoderm fish Bothriolepis

  † 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

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• † 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

• 

  Life restoration of the Cambrian echinoderm Camptostroma

  † 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

• 

  Assemblage of fossilized shells of the Ordovician brachiopod Cincinnetina

  † 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 cuspidatus restoration, shown attacking multiple Palaeospondylus'

  † 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

• 

  Fossilized foliage of the Carboniferous-Permian conifer relative Cordaites

  † 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

• 

  Fossils and life restoration of the Silurian eurypterid ("sea scorpion") Ctenopterus

  † 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

• 

  Fossilized shells of the Middle-Late Devonian brachiopod Cyrtospirifer

  † Cyrtospirifer
  • † Cyrtospirifer disjunctus
• † Cyrtospora
  • † Cyrtospora cristifera – or unidentified comparable form
• † Cystihalysites

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Contents

• A
• B
• C
• D
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• F
• G
• H
• I
• J
• K
• L
• M
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• P
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• † 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

• 

  Life restoration of the Permian amphibian Diploceraspis

  † 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

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Contents

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• G
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• I
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• † Echinoconchus
  • † Echinoconchus punctatus
• † Ectenocrinus
  • † Ectenocrinus simplex

• 

  Life restoration of the Permian synapsid (mammal precursor) Edaphosaurus

  † 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

• 

  Life restoration of the Silurian-Early Devonian eurypterid ("sea scorpion") Erettopterus

  † Erettopterus
  • † Erettopterus globiceps
• † Eryops
  • † Eryops avinoffi
• † Eshelmania
• † Esmeraldina
  • † Esmeraldina macer
• † Euglyphella
  • † Euglyphella numismoides
• † Eukloedenella
• † Eumetria
• † Euomphalus
• † Eupachycrinus
• † Euphemites
  • † Euphemites carbonarius

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Contents

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• † Fabreciella – type locality for genus
  • † Fabreciella pennsylvanica – type locality for species

• 

  Fossil of the Late Ordovician-Permian tabulate coral Favosites

  † 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

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• † Ganorhynchus
  • † Ganorhynchus oblongus – type locality for species
• † Geminospora

• 

  Fossil of the Cambrian trilobite Genevievella

  † 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

• 

  Fossils of the Middle Ordovician-Early Devonian trilobite Gravicalymene

  † Gravicalymene
• † Greenops
  • † Greenops boothi

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• † Hadrotreta

• 

  Life restoration of the Late Devonian eurypterid ("sea scorpion") Hallipterus

  † 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

• 

  Life restoration of the Middle-Late Devonian placoderm fish Holonema

  † 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

• 

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

  † 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

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• † 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

• 

  Life restoration of the Permian amphibian Isodectes

  † Isodectes
  • † Isodectes obtusus – type locality for species
• † Isotelus
  • † Isotelus gigas
• † Ithycephalus

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• † Katabuporhynchus
  • † Katabuporhynchus mesacostalis

• 

  Fossilized heads of the Silurian eurypterid ("sea scorpion") Kiaeropterus (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

• 

  Fossil of the Cambrian trilobite Kootenia

  † Kootenia
  • † Kootenia marcoui
• † Kraeuselisporites
• † Kutorgina
  • † Kutorgina cingulata
  • † Kutorgina edsoni
• † Kyphocephalus

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Life restoration of the Carboniferous tree-sized club moss relative Lepidodendron

Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
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• P
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• W
• X
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• † 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

• 

  Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella

  † 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

• 

  Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior

  † Lysorophus
  • † Lysorophus dunkardensis

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Contents

• A
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• † Macluritella – tentative report
  • † Macluritella multiseptarius
• † Maeneceras
  • † Maeneceras milleri
• † Margaretia
• † Mariopteris
• † Martinia
• † Mediospirifer
  • † Mediospirifer audaculus
  • † Mediospirifer belliplicata
  • † Mediospirifer bellitropis
  • † Mediospirifer dromgoldi
• † Megakozlowskiella
  • † Megakozlowskiella sculptilis

• 

  Life restoration of the Late Ordovician eurypterid ("sea scorpion") Megalograptus

  † 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

• 

  Fossilized shell of the Devonian brachiopod Mucrospirifer

  † 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

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Contents

• A
• B
• C
• D
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• F
• G
• H
• I
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• † Nalivkinella
  • † Nalivkinella echoense
• † Nanahughmilleria
  • † Nanahughmilleria clarkei
• † Naticonema

• 

  Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis

  † 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

• 

  Fronds of the Carboniferous seed fern Neuropteris

  † Neuropteris
• † Nisusia
  • † Nisusia festinata
• Nucula
  • † Nucula bellistriata
  • † Nucula lirata
• Nuculana
• † Nuculites
  • † Nuculites oblongatus
  • † Nuculites planulatus
  • † Nuculites triqueter
• † Nuculopsis
  • † Nuculopsis girtyi

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Contents

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• † Octonaria
  • † Octonaria bifurcata
  • † Octonaria dicristata
  • † Octonaria quadricostata
• † Ogygopsis
  • † Ogygopsis klotzi
• † Olenellus
  • † Olenellus alius
  • † Olenellus similaris
  • † Olenellus wanneri

• 

  Fossil of the Cambrian trilobite Olenoides

  † 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

• 

  Life restoration of the Carboniferous-Permian freshwater shark Orthacanthus

  † 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

• 

  Restoration

  † Osteolepis
• † Oulodus
• † Ovatia
• † Oxynoblatta
  • † Oxynoblatta vicina – type locality for species
• † Ozarkodina

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Contents

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• † Paedeumias
  • † Paedeumias eboracense
  • † Paedeumias glabrum
  • † Paedeumias yorkense

• 

  Fossil of the Cambrian trilobite Pagetia

  † 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

• 

  Assemblage of the Early-Middle Devonian brachiopod Paraspirifer

  † 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

• 

  Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites

  † Pentremites
• † Periomella
  • † Periomella roddyi
  • † Periomella yorkensis
• † Peronopsis
• † Petalodus
  • † Petalodus ohioensis
• † Petrocrania

• 

  Fossil of the Devonian trilobite Phacops rana

  † 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

• 

  Fossilized shell of the Silurian-Early Triassic sea snail Platyceras

  † 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

• 

  Restoration of the Silurian trilobite Proetus

  † Proetus
  • † Proetus haldemani – tentative report
  • † Proetus parviusculus
• † Prolepidodendron
  • † Prolepidodendron breviinternodium
• † Promopalaeaster
  • † Promopalaeaster bellulus
  • † Promopalaeaster pricei
• † Promytilus
• † Protobarinophyton
  • † Protobarinophyton pennsylvanicum

• 

  Illustration of a fossil of the Cambrian crustacean Protocaris

  † 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

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Contents

• A
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• D
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• † Quasillites

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Contents

• A
• B
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• F
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• † Rafinesquina
  • † Rafinesquina alternata
• † Retichonetes
  • † Retichonetes marylandicus
  • † Retichonetes vicinus
• † Retispira
  • † Retispira marcouianus
• † Retusotriletes
  • † Retusotriletes phillipsii
• † Rhacophyton
• † Rhacopteris
• † Rhinidictya

• 

  Fossil of the Silurian eurypterid ("sea scorpion") Rhinocarcinosoma

  † 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

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• I
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• 

  Illustration of fossilized shells of the mysterious Cambrian organism Salterella

  † Salterella
  • † Salterella acervulosa
  • † Salterella conulata
  • † Salterella mccullochi
  • † Salterella pulchella
• † Sanguinolites
• † Sapphicorhynchus
  • † Sapphicorhynchus sappho
• † Saratogia
  • † Saratogia type locality for species – informal

• 

  Fossilized fin of the Devonian lobe-finned fish Sauripterus

  † 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

• 

  Fossils of the Cambrian arthropod Sidneyia

  † 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

• 

  Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer

  † 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

• 

  Fossilized shell of the Ordovician-Silurian brachiopod Strophomena

  † 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

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• † Tabulipora
• † Taeniaster
  • † Taeniaster maximus
• † Taenicephalus
  • † Taenicephalus shumardi

• 

  Fossils of the Devonian plant stem morphogenus Taeniocrada

  † 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

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  Restoration showing the top (left) and underside of the Late Ordovician trilobite Triarthrus

  † 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 ^{[1] [2]}
• † Tryplasma
• † Tubulella
• † Tuzoia
• † Tylothyris
  • † Tylothyris mesacostalis
  • † Tylothyris pauliformis

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• † Ulrichia
  • † Ulrichia elongata
  • † Ulrichia spinifera

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  Fossil of the Ordovician-Devonian sea star Urasterella

  † Urasterella
  • † Urasterella pulchella

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

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  Fossil of the Cambrian trilobite Wanneria

  † Wanneria
  • † Wanneria walcottana
• † Warrenella
  • † Warrenella laevis
• † Welleraspis
  • † Welleraspis newfoundlandensis – or unidentified comparable form
• † Whidbornella
  • † Whidbornella lachrymosa
• † Wilkingia
  • † Wilkingia terminale
• † Worthenia
  • † Worthenia tabulata

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• † Xenoblatta
  • † Xenoblatta pennsylvanica – type locality for species
• † Xenocheilos
  • † Xenocheilos spineum

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  Life restoration of the probable Cambrian mollusc Yochelcionella

  † Yochelcionella
  • † Yochelcionella americana – type locality for species
  • † Yochelcionella chinensis
  • † Yochelcionella greenlandica
• † Yorkia
  • † Yorkia wanneri

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• † Zaphrenthis
• † Zelophyllia
• † Zelophyllum
• † Zygospira

References

1. Ciurca, Samuel J.; Tetlie, O. Erik (2007). "Pterygotids (Chelicerata; Eurypterida) from the Silurian Vernon Formation of New York". Journal of Paleontology. 81 (4): 725–736. doi:10.1666/pleo0022-3360(2007)081[0725:PEFTSV]2.0.CO;2. ISSN   0022-3360. S2CID   140668235.
2. Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch , version 18.5 http://www.wsc.nmbe.ch/resources/fossils/Fossils18.5.pdf (PDF).

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.