List of the Paleozoic life of Illinois

This list of the Paleozoic life of Illinois contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Illinois and are between 538.8 and 252.17 million years of age.

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Contents

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• F
• G
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• I
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• † Acantherpestes
  • † Acantherpestes inequalis – type locality for species
  • † Acantherpestes major – type locality for species
• † Acanthoparypha
  • † Acanthoparypha subcircularis
• † Acanthopecten
  • † Acanthopecten carboniferus
• † Acanthotriletes
  • † Acanthotriletes aculeolatus
  • † Acanthotriletes dimorphus
• † Achatella
  • † Achatella katharina
• † Acrocrinus
  • † Acrocrinus constrictus
• † Actinoceras
• † Actinopteria
  • † Actinopteria boydi
• † Adeloblatta
  • † Adeloblatta columbiana – type locality for species
  • † Adeloblatta sellardsi
• † Adeloneura – type locality for genus
  • † Adeloneura thompsoni – type locality for species
• † Adiaphtharsia – type locality for genus
  • † Adiaphtharsia ferrea – type locality for species
• † Adiphlebia – type locality for genus
  • † Adiphlebia lacoana – type locality for species
• † Adolarryia – type locality for genus
  • † Adolarryia bairdi – type locality for species
• † Aenigmatodes – type locality for genus
  • † Aenigmatodes danielsi – type locality for species
• † Aetophlebia – type locality for genus
  • † Aetophlebia singularis – type locality for species
• † Agogoblattina
  • † Agogoblattina occidua – type locality for species
• † Ahrenisporites
  • † Ahrenisporites guerickei
• † Ahrensisporites
  • † Ahrensisporites guerickei
• † Alanympha – type locality for genus
  • † Alanympha richardsoni – type locality for species
• † Alatisporites
  • † Alatisporites hexalatus
  • † Alatisporites punctatus
  • † Alatisporites trialatus

• 

  Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris

  † Alethopteris
  • † Alethopteris decurrens
  • † Alethopteris lonchitica
  • † Alethopteris owenii
  • † Alethopteris serlii
• † Allagecrinus
  • † Allagecrinus mccraneyensis – type locality for species
• † Alloiopteris
  • † Alloiopteris gracillima
  • † Alloiopteris quercifolia – or unidentified comparable form
  • † Alloiopteris sternbergi
• † Allosocrinus
  • † Allosocrinus bronaughi
• † Amarixys
  • † Amarixys gracilis – type locality for species
  • † Amarixys stellaris – type locality for species
  • † Amarixys sulcata – type locality for species
• † Amaurotoma
  • † Amaurotoma leavenworthana
• † Ambocoelia
  • † Ambocoelia louisianaensis
  • † Ambocoelia minuta
• † Ambonychia – tentative report
• † Ametretus – type locality for genus
  • † Ametretus laevis – type locality for species
• † Ameura
• † Amousus – type locality for genus
  • † Amousus mazonus – type locality for species

• 

  Life restoration of the Carboniferous amphibian Amphibamus

  † Amphibamus – type locality for genus
  • † Amphibamus grandiceps – type locality for species
• † Amphicoelia
• † Amphilichas
  • † Amphilichas subdisjunctus
• † Amphiscapha
  • † Amphiscapha subrugosa
• † Amplexizaphrentis
  • † Amplexizaphrentis spinulosus
• † Amynilyspes – type locality for genus
  • † Amynilyspes wortheni – type locality for species
• † Anaphragma
  • † Anaphragma mirabile
• † Anapiculatisporites
  • † Anapiculatisporites grundensis
  • † Anapiculatisporites spinosus
• † Anastrophia
• † Anegertus – type locality for genus
  • † Anegertus cubitalis – type locality for species
• † Anematina
  • † Anematina proutana
• † Anepitedius – type locality for genus
  • † Anepitedius giraffa – type locality for species

• 

  Fossil of the Carboniferous horsetail relative Annularia

  † Annularia
  • † Annularia asteris – or unidentified comparable form
  • † Annularia cuspidata
  • † Annularia stellata
  • † Annularia vernensis – or unidentified comparable form
• † Anobasicrinus
  • † Anobasicrinus brevis – type locality for species
• † Anomphalus – type locality for genus
  • † Anomphalus rotulus – type locality for species
• † Anthracoceras
  • † Anthracoceras wanlessi – type locality for species
• † Anthracophausia
  • † Anthracophausia ingelsorum
• † Anthracoscorpio – tentative report
• † Anthracospirifer
  • † Anthracospirifer leidyi
• † Anthracothremma – type locality for genus
  • † Anthracothremma robusta – type locality for species
• † Anthrakoris – type locality for genus
  • † Anthrakoris aetherius – type locality for species
• † Antiquatonia
  • † Antiquatonia portlockianus – or unidentified comparable form
• † Antirhynchonella
  • † Antirhynchonella ventricosa – or unidentified comparable form
• † Aphantomartus
  • † Aphantomartus pustulatus – type locality for species
• † Apiculatasporites
  • † Apiculatasporites latigranifer
  • † Apiculatasporites setulosus
  • † Apiculatasporites spinososaetosus
  • † Apiculatasporites variocorneus
  • † Apiculatasporites variusetosus
• † Apiculatisporites
  • † Apiculatisporites abditus
  • † Apiculatisporites frequentisporites
  • † Apiculatisporites lappites
  • † Apiculatisporites setulosus
• † Apithanus – type locality for genus
  • † Apithanus jocularis – type locality for species
• † Apographiocrinus
  • † Apographiocrinus typicalis
• † Archaeocalamites
  • † Archaeocalamites radiatus
• † Archaeocalyptocrinus
  • † Archaeocalyptocrinus obconicus
• † Archaeocidaris – tentative report
• † Archaeologus – type locality for genus
  • † Archaeologus falcatus – type locality for species
• † Archaeopteris
  • † Archaeopteris stricta

• 

  Fossils of the Carboniferous-Permian bryozoan Archimedes

  † Archimedes
  • † Archimedes communis
  • † Archimedes compactus
  • † Archimedes invaginatus
  • † Archimedes lativolvis
  • † Archimedes macfarlani
  • † Archimedes swallovanus
  • † Archimedes terebriformis
• † Archimylacris
  • † Archimylacris paucinervis – type locality for species
• † Archisymplectes – type locality for genus
  • † Archisymplectes rhothon – type locality for species
• † Architarbus – type locality for genus
  • † Architarbus minor – type locality for species
  • † Architarbus rotundatus – type locality for species
• † Archiulus – tentative report
  • † Archiulus glomeratus – type locality for species
• † Archoblattina – type locality for genus
  • † Archoblattina beecheri – type locality for species
  • † Archoblattina scudderi – type locality for species
• † Arctinurus
  • † Arctinurus boltoni
  • † Arctinurus chicagoensis
• † Argentiproductus
  • † Argentiproductus auriculatus

• 

  Illustration of a fossil of the Carboniferous-Permian spider Arthrolycosa . Charles Emerson Beecher (1889).

  † Arthrolycosa – type locality for genus
  • † Arthrolycosa antiqua – type locality for species
  • † Arthrolycosa danielsi – type locality for species
• † Arthropitys
  • † Arthropitys communis
• † Artisia
  • † Artisia transversa
• † Asemoblatta
  • † Asemoblatta danielsi – type locality for species
  • † Asemoblatta mazona – type locality for species
• † Asinomphalus
  • † Asinomphalus antiqua
• † Asolanus
  • † Asolanus camptotaenia
• † Astartella
  • † Astartella compacta
  • † Astartella concentrica
• † Asterophyllites
  • † Asterophyllites equisetiformis – or unidentified comparable form
  • † Asterophyllites longifolius
  • † Asterophyllites multifolia
• † Asterotheca
  • † Asterotheca miltoni – or unidentified comparable form
• † Astraeospongium
• † Asyncritus – type locality for genus
  • † Asyncritus reticulatus – type locality for species
• † Athyris
  • † Athyris vittata

• 

  Fossilized shell of the Late Ordovician-Carboniferous brachiopod Atrypa

  † Atrypa
  • † Atrypa putilla
  • † Atrypa reticularis – report made of unidentified related form or using admittedly obsolete nomenclature
• † Aulacotheca
• † Aulertupus – type locality for genus
  • † Aulertupus tembrocki – type locality for species
• † Aviculopecten
  • † Aviculopecten fasciculatus
• † Avonia
  • † Avonia pyidata
• † Axiodeaneia
  • † Axiodeaneia glenparkensis
• † Axiologus – type locality for genus
  • † Axiologus thoracicus – type locality for species

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
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• W
• X
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• † Balteosporites
  • † Balteosporites minutus
• † Bandringa – type locality for genus
  • † Bandringa herdinae – type locality for species
  • † Bandringa rayi – type locality for species
• † Bassleroceras
  • † Bassleroceras lasallense
• † Baylea
  • † Baylea minuta – type locality for species
  • † Baylea sinuatus – type locality for species
  • † Baylea subconstricta – type locality for species
• † Beecheria
  • † Beecheria illinoisense
  • † Beecheria paraplicata
• † Belemnospongia
  • † Belemnospongia parmula

• 

  Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon

  † Bellerophon
  • † Bellerophon chesterensis – type locality for species
  • † Bellerophon incomptus – type locality for species
  • † Bellerophon spergensis
  • † Bellerophon stevensianus
  • † Bellerophon tenuilineata – type locality for species
• † Belinurus
  • † Belinurus lacoei – type locality for species
• † Bembexia
  • † Bembexia gradilispira – type locality for species
• † Beyrichiella
  • † Beyrichiella confluens
• † Bicarina
  • † Bicarina petilitornata
• † Bighornia
  • † Bighornia patella – or unidentified comparable form
• † Bizarrea – type locality for genus
  • † Bizarrea obscura – type locality for species
• † Blattoidea
  • † Blattoidea anceps – type locality for species
  • † Blattoidea carri – type locality for species
  • † Blattoidea melanderi
  • † Blattoidea schuchertiana – type locality for species
  • † Blattoidea sellardsiana – type locality for species
• † Brabeocrinus – type locality for genus
  • † Brabeocrinus christinae – type locality for species
• † Brachycycloceras
  • † Brachycycloceras normale

• 

  Life restoration of the Carboniferous amphibian Brachydectes

  † Brachydectes
  • † Brachydectes newberryi
• † Brachythyris
  • † Brachythyris hortonensis
• † Brevilamnulella – tentative report
  • † Brevilamnulella thebesensis
• † Bucania
  • † Bucania batchtownensis – type locality for species
• † Bulimorpha
  • † Bulimorpha minor
  • † Bulimorpha whitfieldi – type locality for species
• † Bumastoides
  • † Bumastoides billingsi

• 

  Fossil of the Early Ordovician-Silurian trilobite Bumastus

  † Bumastus
  • † Bumastus armata
  • † Bumastus armatus – or unidentified comparable form
  • † Bumastus chicagoensis
  • † Bumastus cuniculus – or unidentified comparable form
  • † Bumastus graftonensis
  • † Bumastus insignis
  • † Bumastus springfieldensis
  • † Bumastus transversalis
• † Buthiscorpius
  • † Buthiscorpius lemayi – type locality for species

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
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• X
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• † Cacurgus – type locality for genus
  • † Cacurgus spilopterus – type locality for species
• † Cadiospora
  • † Cadiospora fithiana
  • † Cadiospora magna

• 

  Fossilized stems from the Carboniferous-Permian horsetail relative Calamites

  † Calamites
  • † Calamites cistiiformis – or unidentified comparable form
  • † Calamites rectangularis
  • † Calamites suckowii
• † Calamocarpon
  • † Calamocarpon insignis
• † Calamodendron
  • † Calamodendron americanum
• † Calamospora
  • † Calamospora breviradiata
  • † Calamospora flava
  • † Calamospora flexilis
  • † Calamospora hartungiana
  • † Calamospora liquida
  • † Calamospora minuta
  • † Calamospora mutabilis
  • † Calamospora pedata
  • † Calamospora straminea
• † Calamostachys
  • † Calamostachys americana
  • † Calamostachys andanensis
  • † Calamostachys inversibractis – type locality for species
• † Calceocrinus
• † Calliasterella
  • † Calliasterella americana
• † Calliocrinus
  • † Calliocrinus cornatus
  • † Calliocrinus cornutus
  • † Calliocrinus pentangularis

• 

  Fossilized fronds of the Carboniferous seed fern Callipteridium

  † Callipteridium
• † Calvinia
  • † Calvinia edgewoodensis
• † Calymene
  • † Calymene breviceps
  • † Calymene celebra
• † Calyptaulax
  • † Calyptaulax callicephala
• † Camarophorella
  • † Camarophorella buckleyi – or unidentified comparable form
• † Camarotoechia
• † Camerella
• † Camptotriletes
  • † Camptotriletes bucculentus
  • † Camptotriletes triangularis
• † Cancrinella
  • † Cancrinella boonensis
• † Cannophyllites
  • † Cannophyllites abbreviata
  • † Cannophyllites dawsoni
  • † Cannophyllites fasciculata
  • † Cannophyllites marginata
  • † Cannophyllites rectinervis
  • † Cannophyllites southwelli
• † Carbonocoryphe
  • † Carbonocoryphe planucauda
• † Carbonympha – type locality for genus
  • † Carbonympha herdinai – type locality for species
• † Cardiocarpon
• † Cardiopteridium
• † Cardiothyris
  • † Cardiothyris pristina
• † Carpocrinus
• † Caryocrinites
  • † Caryocrinites ornatus – or unidentified comparable form

• 

  Life restoration of the Carboniferous Chimaera relative Caseodus

  † Caseodus
  • † Caseodus basalis – type locality for species
• † Catadyesthus
  • † Catadyesthus priscus
• † Caulopteris
• † Cephalerpeton – type locality for genus
  • † Cephalerpeton ventriarmatum – type locality for species
• † Ceratiocaris
  • † Ceratiocaris markhami
• † Ceratocephala
  • † Ceratocephala goniata
• † Ceraurinella
  • † Ceraurinella tenuisculptus
• † Ceraurinus
  • † Ceraurinus platycanthus
• † Cerauromerus
  • † Cerauromerus hydei

• 

  Fossil of the Middle-Late Ordovician trilobite Ceraurus

  † Ceraurus
  • † Ceraurus globulobatus
  • † Ceraurus pleurexanthemus
• † Cervifurca
  • † Cervifurca nasuta
• † Chaenomya
• † Chaetetes
• † Cheirurus
  • † Cheirurus niagarensis – or unidentified comparable form
  • † Cheirurus patens
• † Cheliphlebia – type locality for genus
  • † Cheliphlebia carbonaria – type locality for species
  • † Cheliphlebia mazona – type locality for species
• † Chenilleophycus
  • † Chenilleophycus godfreyensis
• † Chicagocrinus
  • † Chicagocrinus ornatus
• † Chirodus
  • † Chirodus orbicularis
• † Chlidonocrinus
  • † Chlidonocrinus erectus – type locality for species
• † Chlidophorus
• † Chonetes
  • † Chonetes ornatus
• † Chonetinella
• † Chrestotella
  • † Chrestotella danae – type locality for species
• † Chrestotes – type locality for genus
  • † Chrestotes lapidea – type locality for species
• † Cirratriradites
  • † Cirratriradites annulatus
  • † Cirratriradites annuliformis
  • † Cirratriradites tenuis
• † Clathrocrinus – type locality for genus
  • † Clathrocrinus clathratus – type locality for species
  • † Clathrocrinus clinatus – type locality for species
• † Clathrodictyon
  • † Clathrodictyon vesiculosum
• † Clathrospira
  • † Clathrospira subconica

• 

  Fossilized shell of the Middle Devonian-Permian brachiopod Cleiothyridina

  † Cleiothyridina
  • † Cleiothyridina atrypoides
  • † Cleiothyridina sublamellosa
• † Clepsydrops – type locality for genus
  • † Clepsydrops collettii – type locality for species
  • † Clepsydrops vinslovii – type locality for species
• † Cliftonia
  • † Cliftonia tubulistriata
• † Clonocrinus
  • † Clonocrinus chicagoensis
  • † Clonocrinus niagarensis

• 

  Life restoration (foreground) of the Permian-Jurassic lobe-finned fish Coelacanthus

  † Coelacanthus
  • † Coelacanthus exiguus
• † Coelocystis
  • † Coelocystis subglobosus
• † Columinisporites
  • † Columinisporites ovalis
• † Complexisporites
  • † Complexisporites chalonerii
• † Composita
  • † Composita argentea
  • † Composita matutina
  • † Composita subtilita
  • † Composita trinuclea
• † Compsaster
  • † Compsaster formosus
• † Condrathyris
  • † Condrathyris perplexa
• † Conocardium
  • † Conocardium chesterensis – type locality for species
• † Contocrinus
  • † Contocrinus coupi – type locality for species
• † Converrucosisporites
  • † Converrucosisporites subverrucosus
• † Convolutispora
  • † Convolutispora florida
  • † Convolutispora fromensis
• † Cooperoceras
• † Cordaianthus
• † Cordaicarpus
• † Cordaicladus

• 

  Fossilized foliage of the Carboniferous-Permian conifer relative Cordaites

  † Cordaites
  • † Cordaites communis
  • † Cordaites principalis
• † Cornulites
• † Corynepteris
  • † Corynepteris erosa – or unidentified comparable form
• † Crania
  • † Crania dodgei
• † Craniops
• † Crassiproetus
  • † Crassiproetus occidens
• † Crassispora
  • † Crassispora kosankei
  • † Crassispora plicata

• 

  Fossilized skeleton of the Carboniferous-Permian reptile relative Cricotus

  † Cricotus – type locality for genus
  • † Cricotus heteroclitus – type locality for species
• † Cristatisporites
  • † Cristatisporites alpernii
  • † Cristatisporites indignabundus
• † Crossotheca
• † Crotalocrinites
  • † Crotalocrinites cora
  • † Crotalocrinites vanhornei
• † Crurithyris
  • † Crurithyris levicula – or unidentified comparable form
  • † Crurithyris planoconvexa
• † Cryptothyrella
  • † Cryptothyrella ovoides

• 

  Fossil of the Carboniferous shark Ctenacanthus

  † Ctenacanthus
  • † Ctenacanthus buttersi – type locality for species
• † Ctenodonta
  • † Ctenodonta concinna
• † Curculioides
  • † Curculioides gigas – type locality for species
  • † Curculioides mcluckiei – type locality for species
  • † Curculioides scaber – type locality for species
• † Curriella – tentative report
• † Cyathocrinites
• † Cyclites
  • † Cyclites globosa – type locality for species
• † Cyclogranisporites
  • † Cyclogranisporites aureus
  • † Cyclogranisporites breviradiata
  • † Cyclogranisporites breviradiatus
  • † Cyclogranisporites leopoldi
  • † Cyclogranisporites micaceus
  • † Cyclogranisporites microgranus
  • † Cyclogranisporites minutus
  • † Cyclogranisporites obliquus
  • † Cyclogranisporites orbicularis
  • † Cyclogranisporites staplini
• † Cyclonema
  • † Cyclonema daytonensis
  • † Cyclonema intermedium
• † Cyclus
  • † Cyclus americanus – type locality for species
• † Cymatospira
  • † Cymatospira welleri
• † Cyperites
• † Cyphaspis
  • † Cyphaspis globosus
  • † Cyphaspis intermedia
• † Cyphocrinus
  • † Cyphocrinus chicagoensis
• † Cypricardella
  • † Cypricardella bellistriata
• † Cyrtia

• 

  Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras

  † Cyrtoceras
• Cytherella
  • † Cytherella glandella
• † Cytherellina
• † Cytherodon – tentative report
  • † Cytherodon appresus
• † Cytocrinus

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
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• W
• X
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• Z

• † Dabasacanthus – type locality for genus
  • † Dabasacanthus inskasi – type locality for species

Elasmobranch †Dabasacanthus inskasi Zangerl 1979 from Mazon Creek

• † Dactylotheca
  • † Dactylotheca aspera
• † Dalejina
• † Dalmanella
  • † Dalmanella edgewoodensis

• 

  Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites

  † Dalmanites
  • † Dalmanites danai
  • † Dalmanites illinoisensis
  • † Dalmanites obex
  • † Dalmanites platycaudatus
• † Danielsiella – type locality for genus
  • † Danielsiella priscula – type locality for species
• † Dasciocrinus
  • † Dasciocrinus spinifer
• † Dasyleptus
• † Dawsonoceras
• † Decoroproetus
• † Deiphon
  • † Deiphon americanus
• † Delicaster – type locality for genus
  • † Delicaster enigmaticus
• † Delthyris
• † Deltoidospora
  • † Deltoidospora levis
  • † Deltoidospora priddyi
  • † Deltoidospora sphaerotriangula
• † Denayella
  • † Denayella rotalia – or unidentified comparable form
• † Densosporites
  • † Densosporites annulatus
  • † Densosporites lobatus – or unidentified comparable form
  • † Densosporites ruhus
  • † Densosporites sinuosus
  • † Densosporites sphaerotriangularis
  • † Densosporites triangularis
• † Derbyia
  • † Derbyia crassa
• † Derbyoides
  • † Derbyoides nebrascensis
• † Desmograptus
  • † Desmograptus micronematodes
• † Desmopteris
• † Devonatrypa
• † Devononema – type locality for genus
  • † Devononema typicum – type locality for species
• † Diagonodictya – type locality for genus
  • † Diagonodictya crusta – type locality for species
• † Diamphidiocystis
  • † Diamphidiocystis drepanon
• † Diaphorodendron
  • † Diaphorodendron rimosum
• † Diaphragmus
  • † Diaphragmus fasciculatus
• † Dicalamophyllum
  • † Dicalamophyllum americanum
• † Dichocrinus
  • † Dichocrinus nola – type locality for species
• † Dicksonites
• † Dicoelosia
• † Dicranopeltis
  • † Dicranopeltis decipiens
• † Dictyoclostus
  • † Dictyoclostus inflatus
• † Dictyomonolites
  • † Dictyomonolites swadei
• † Dictyonema
  • † Dictyonema crassibasale
  • † Dictyonema retiforme
  • † Dictyonema tenellum
• † Dictyophlois
  • † Dictyophlois reticulata var. illinoisensis
• † Dictyotomaria
  • † Dictyotomaria depressus – type locality for species
  • † Dictyotomaria wortheni – type locality for species
  • † Dictyotomaria yochelsoni
• † Dictyotriletes
  • † Dictyotriletes bireticulatus
  • † Dictyotriletes danvillensis
  • † Dictyotriletes densoreticulatus
  • † Dictyotriletes distortus
  • † Dictyotriletes falsus – or unidentified comparable form
  • † Dictyotriletes reticulocingulum – or unidentified comparable form
• † Dictyoxylon – or unidentified comparable form
• † Dieconeura – type locality for genus
  • † Dieconeura arcuata – type locality for species
  • † Dieconeura mazona – type locality for species
• † Dielasmella
  • † Dielasmella compressa
• † Diexodus – type locality for genus
  • † Diexodus debilis – type locality for species
• † Dimerocrinites
  • † Dimerocrinites occidentalis
  • † Dimerocrinites pentangularis
• † Dinobolus

• 

  Fossilized axial skeleton of the Carboniferous-Permian amphibian Diplocaulus

  † Diplocaulus – type locality for genus
  • † Diplocaulus salamandroides – type locality for species
• † Diplothmema
  • † Diplothmema cheathami
• † Discotarbus – type locality for genus
  • † Discotarbus deplanatus – type locality for species
• † Distortitisporites
  • † Distortitisporites illinoiensis
• † Ditomopyge
  • † Ditomopyge scitula
• † Dolichoharpes
  • † Dolichoharpes uniserialis
• † Domatoceras
  • † Domatoceras mattoonense – type locality for species
  • † Domatoceras wortheni – type locality for species
• † Donaldina
  • † Donaldina americana
  • † Donaldina fountainensis – type locality for species
  • † Donaldina marigoldensis
  • † Donaldina pygmaea – type locality for species
• † Dorycrinus
  • † Dorycrinus mississippiensis
• † Dragonympha – type locality for genus
  • † Dragonympha srokai – type locality for species
• † Dudleyaspis
  • † Dudleyaspis vanhornei

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• † Echinaria
• † Echinoconchus
  • † Echinoconchus alternatus

• 

  Life restoration of the Late Devonian-Carboniferous Chimaera relative Edestus

  † Edestus
  • † Edestus crenulatus – type locality for species
  • † Edestus serratus – type locality for species
• † Edmondia
  • † Edmondia ovata
• † Eileticus – type locality for genus
  • † Eileticus aequalis – type locality for species
  • † Eileticus anthracinus – type locality for species
• † Elasmonema
  • † Elasmonema corrugata
• † Elaterites
  • † Elaterites triferens
• † Elibatocrinus
  • † Elibatocrinus elegans – type locality for species

• 

  Fossilized skeleton of the Carboniferous-Permian bony fish Elonichthys

  † Elonichthys
  • † Elonichthys disjunctus – type locality for species
  • † Elonichthys peltigerus
  • † Elonichthys perpennatus
• † Encrinurus
  • † Encrinurus egani
• † Endelocrinus
  • † Endelocrinus tumidus
• † Endoiasmus – type locality for genus
  • † Endoiasmus reticulatus – type locality for species
• † Endosporites
  • † Endosporites globiformis
  • † Endosporites plicatus
• † Enoploura
• † Enteletes
  • † Enteletes hemiplicata
• † Eoasinites
• † Eobronteus
  • † Eobronteus slocomi
• † Eoctonus – type locality for genus
  • † Eoctonus miniatus – type locality for species
• † Eodictyonella
• † Eohalysiocrinus – tentative report
• † Eolissochonetes
• † Eomartiniopsis
  • † Eomartiniopsis kinderhookensis
• † Eophacops
  • † Eophacops handwerki
• † Eoplectodonta
• † Eoscorpius – type locality for genus
  • † Eoscorpius carbonarius – type locality for species
• † Eospirifer
  • † Eospirifer radiatus
• † Eospirigerina
  • † Eospirigerina putilla
• † Eotrochus
  • † Eotrochus marigoldensis
• † Ephippioceras
  • † Ephippioceras moinellae – type locality for species
• † Epideigma – type locality for genus
  • † Epideigma elegans – type locality for species
• † Eremopteris
  • † Eremopteris grandis
  • † Eremopteris inaequilateralis
• † Erisocrinus
  • † Erisocrinus typus
• † Erratencrinurus
  • † Erratencrinurus vigilans
• † Escharopora
  • † Escharopora patens
• † Eubleptus – type locality for genus
  • † Eubleptus danielsi – type locality for species
  • † Eubleptus maculosus – type locality for species
• † Eubrodia – type locality for genus
  • † Eubrodia dabasinskasi – type locality for species
• † Eucaenus – type locality for genus
  • † Eucaenus ovalis – type locality for species
  • † Eucaenus pusillus – type locality for species
  • † Eucaenus rotundatus – type locality for species

• 

  Fossilized calyx of the Silurian-Middle Devonian crinoid ("sea lily") Eucalyptocrinites

  † Eucalyptocrinites
  • † Eucalyptocrinites asper
  • † Eucalyptocrinites crassus
  • † Eucalyptocrinites depressus
  • † Eucalyptocrinites egani
  • † Eucalyptocrinites inornatus
  • † Eucalyptocrinites ornatus
  • † Eucalyptocrinites rotundus
• † Euchondria
  • † Euchondria levicula
• † Euconospira
  • † Euconospira sturgeoni
  • † Euconospira waterlooensis – type locality for species
• † Eudoxina
  • † Eudoxina subrotunda
• † Euhydrodiskos – type locality for genus
  • † Euhydrodiskos diktyotos – type locality for species
• † Eumetria
  • † Eumetria vera
• † Eumicrerpeton – type locality for genus
  • † Eumicrerpeton parvum – type locality for species
• † Eunema
  • † Eunema centralis – type locality for species
  • † Eunema fasciata – type locality for species

• 

  Fossilized shell of the Silurian-Permian sea snail Euomphalus

  † Euomphalus
  • † Euomphalus planodorsatus
  • † Euomphalus similis
• † Euonychocrinus
  • † Euonychocrinus simplex – type locality for species
• † Euphemerites
  • † Euphemerites affinis – type locality for species
  • † Euphemerites gigas – type locality for species
  • † Euphemerites simplex – type locality for species
• † Euphemites
  • † Euphemites callosus – type locality for species
  • † Euphemites carbonarius
  • † Euphemites lentiformis – type locality for species
  • † Euphemites randolphensis – type locality for species

• 

  Illustration of fossil of the Carboniferous millipede Euphoberia

  † Euphoberia – type locality for genus
  • † Euphoberia anguilla – type locality for species
  • † Euphoberia armigera – type locality for species
  • † Euphoberia carri – type locality for species
  • † Euphoberia cuspidata – type locality for species
  • † Euphoberia flabellata – type locality for species
  • † Euphoberia granosa
  • † Euphoberia horrida – type locality for species
  • † Euphoberia hystricosa – type locality for species
  • † Euphoberia simplex – type locality for species
  • † Euphoberia spinulosa – type locality for species
  • † Euphoberia tracta – type locality for species
• † Euryzone
  • † Euryzone latitornata
• † Eusphenopteris
  • † Eusphenopteris morrowensis
• † Exallaspis
  • † Exallaspis illinoisensis
• † Exocrinus
  • † Exocrinus wanni
• † Exoriocrinus – type locality for genus
  • † Exoriocrinus lasallensis

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Contents

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• † Fasciculiconcha
  • † Fasciculiconcha knighti

• 

  Fossil of the Late Ordovician-Permian tabulate coral Favosites

  † Favosites
• † Fenestella
• † Ferganella
• † Fistulipora
  • † Fistulipora excellens
  • † Fistulipora incrustans
  • † Fistulipora perdensa
• † Fletcheria
• † Florinites
  • † Florinites antiquus
  • † Florinites grandis
  • † Florinites mediapudens
  • † Florinites mediaudens
  • † Florinites millotti
  • † Florinites similis
  • † Florinites triletus
  • † Florinites visendus
  • † Florinites volans
• † Fraipontia
  • † Fraipontia bella – type locality for species

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• † Galateacrinus
  • † Galateacrinus coacervatus – type locality for species
• † Gazacrinus
  • † Gazacrinus major
  • † Gazacrinus minor
• † Genentomum – type locality for genus
  • † Genentomum validum – type locality for species
• † Geralinura
  • † Geralinura carbonaria – type locality for species
• † Gerapompus
  • † Gerapompus blattinoides – type locality for species
  • † Gerapompus extensus – type locality for species
  • † Gerapompus schucherti – type locality for species
• † Geraroides
  • † Geraroides maximus – type locality for species
• † Gerarulus – type locality for genus
  • † Gerarulus radialis – type locality for species
• † Gerarus – type locality for genus
  • † Gerarus collaris – type locality for species
  • † Gerarus constrictus – type locality for species
  • † Gerarus danielsi – type locality for species
  • † Gerarus mazonus – type locality for species
  • † Gerarus vetus – type locality for species
• † Geratarbus – type locality for genus
  • † Geratarbus lacoei – type locality for species
• † Gigantopteris
  • † Gigantopteris dawsoni
  • † Gigantopteris ovata
• † Girtyella
  • † Girtyella indianensis
• † Girtyspira
  • † Girtyspira canaliculata
  • † Girtyspira pygmaea – type locality for species
• † Gissocrinus
• † Glabrocingulum
  • † Glabrocingulum chesterensis
  • † Glabrocingulum grayvillense
• † Glaphyrophlebia – type locality for genus
  • † Glaphyrophlebia pusilla – type locality for species

• 

  Fossilized tooth of the Carboniferous shark Glikmanius

  † Glikmanius
  • † Glikmanius occidentalis
• † Globozyga
  • † Globozyga tenuistriata
• † Glyptambon
  • † Glyptambon verrucosus
• † Glyptopleura
  • † Glyptopleura costata
• † Gomphocystites
• † Gondolella
  • † Gondolella pohli
• † Gonioloboceras
  • † Gonioloboceras parrishi – type locality for species
• † Goniophora – tentative report
• † Gosseletina
  • † Gosseletina johnsoni
  • † Gosseletina subglobosa
• † Grabauphyllum
  • † Grabauphyllum johnstoni
• † Graeophonus
  • † Graeophonus scudderi – type locality for species
• † Granasporites
  • † Granasporites medius
• † Granulatispoites
  • † Granulatispoites piroformis
• † Granulatisporites
  • † Granulatisporites adnatoides
  • † Granulatisporites granularis
  • † Granulatisporites granulatus
  • † Granulatisporites livingstonensis
  • † Granulatisporites microgranifer
  • † Granulatisporites minutus
  • † Granulatisporites pallidus
  • † Granulatisporites pannosites
  • † Granulatisporites parvus – or unidentified comparable form
  • † Granulatisporites piroformis
  • † Granulatisporites verrucosus
• † Greenops

• 

  Life restoration of the Carboniferous four-limbed animal precursor Greererpeton

  † Greererpeton
  • † Greererpeton burkmorani
• † Griffithidella
  • † Griffithidella alternata
  • † Griffithidella doris
• † Grumosisporites
  • † Grumosisporites rufus – or unidentified comparable form
  • † Grumosisporites varioreticulatus
• † Gulpenia
  • † Gulpenia limburgensis
• † Gypidula
• † Gyrophlebia – type locality for genus
  • † Gyrophlebia longicollis – type locality for species

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• † Hadentomum – type locality for genus
  • † Hadentomum americanum – type locality for species
• † Hadrachne – type locality for genus
  • † Hadrachne horribilis – type locality for species
• † Haeretocrinus
  • † Haeretocrinus macoupinesis
  • † Haeretocrinus wagneri – type locality for species
• † Hagnocrinus – tentative report
  • † Hagnocrinus dubius
• † Hallicystis
  • † Hallicystis elongata

• 

  Fossil of the Ordovician bryozoan ("moss animal") Hallopora

  † Hallopora – tentative report
• † Halogetocrinus – type locality for genus
  • † Halogetocrinus paucus
• † Halysites
• † Hamburgia
  • † Hamburgia typa
• † Harmostocrinus – type locality for genus
  • † Harmostocrinus porosus – type locality for species
• † Harpidella
• † Harpidium
• † Hebertella
• † Hedeina
• † Helenodora – type locality for genus
  • † Helenodora inopinata – type locality for species
• † Helicotoma
  • † Helicotoma planulata
• † Heliolites
• † Heliomeroides
  • † Heliomeroides raymondi
• † Hemeristia – type locality for genus
  • † Hemeristia occidentalis – type locality for species
• † Hemiarges
• † Herdina – type locality for genus
  • † Herdina mirificus – type locality for species
• † Heslerodus
  • † Heslerodus divergens
• † Hesperorthis
• † Heteralosia
  • † Heteralosia beecheri
• † Heterologus – type locality for genus
  • † Heterologus langfordorum – type locality for species
• † Heterotarbus – type locality for genus
  • † Heterotarbus ovatus – type locality for species
• † Hexacrinites
  • † Hexacrinites mississippiensis – type locality for species
• † Holcospermum
• † Holia
  • † Holia magnaspina
• † Holocystites
  • † Holocystites alternatus
  • † Holocystites cylindricus
  • † Holocystites scutellatus – type locality for species
  • † Holocystites spangleri
  • † Holocystites sphaericus
• † Homaloneura
  • † Homaloneura dabasinskasi – type locality for species
• † Homocrinus – tentative report
• † Homoeospira
• † Homotelus
  • † Homotelus laeviurus
• † Howellella
• † Hustedia
  • † Hustedia marmoni
• † Hybochilocrinus
  • † Hybochilocrinus americanus
• † Hymenospora
  • † Hymenospora multirugosa
  • † Hymenospora paucirugosa

Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha

† Hyolithes

• • † Hyolithes striatus
• † Hypergonia
  • † Hypergonia baldwinensis
  • † Hypergonia illinoiensis – type locality for species
  • † Hypergonia marvinwelleri
• † Hypermegethes – type locality for genus
  • † Hypermegethes schucherti – type locality for species
• † Hypselocrinus
  • † Hypselocrinus maccabei
• † Hystrichopsydrax – type locality for genus
  • † Hystrichopsydrax sandersi – type locality for species
• † Hystriculina
  • † Hystriculina texana

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• † Ianthinopsis – tentative report
• † Icthyocrinus
  • † Icthyocrinus subangularis
• † Illaenoides
  • † Illaenoides triloba
• † Ilyodes
  • † Ilyodes divisa – type locality for species
  • † Ilyodes elongata – type locality for species
• † Indospora
  • † Indospora boletus
  • † Indospora stewarti
• † Ischadites
  • † Ischadites koenigi
• † Isoallagecrinus
  • † Isoallagecrinus lasallensis – type locality for species

• 

  Life restoration of the Permian amphibian Isodectes

  † Isodectes
  • † Isodectes obtusus
• † Isorophus – tentative report
• † Isorthis
• † Isotelus
  • † Isotelus gigas
  • † Isotelus maximus

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• † Jimpohlia – type locality for genus
  • † Jimpohlia erinacea – type locality for species
• † Juresania
  • † Juresania symmetrica

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Contents

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• † Kanabinocrinus – tentative report
• † Kankakeea – type locality for genus
  • † Kankakeea grundyi – type locality for species
• † Kaskia
  • † Kaskia chesterensis
• † Kewaneesporites
  • † Kewaneesporites reticulatus
  • † Kewaneesporites reticuloides

• 

  Fossilized shells of the Middle Ordovician-Permian nautiloid cephalopod Kionoceras

  † Kionoceras
• † Kitakamithyris
  • † Kitakamithyris cooperensis
• † Kloedenella – tentative report
• † Knorria
  • † Knorria imbricata – or unidentified comparable form
• † Knoxisporites
  • † Knoxisporites rotatus
  • † Knoxisporites stephanephorus
  • † Knoxisporites triradiatus
• † Kosankeisporites
  • † Kosankeisporites elegans
• † Kosovopeltis
• † Kozlowskia
  • † Kozlowskia splendens
• † Kozlowskiella
  • † Kozlowskiella inexpectata – type locality for species
• † Kronoscorpio
  • † Kronoscorpio danielsi – type locality for species
• † Kustarachne – type locality for genus
  • † Kustarachne tenuipes – type locality for species
• † Kutorginella
  • † Kutorginella lasallensis

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• † Lacoea
  • † Lacoea seriata
• † Laevigatosporites
  • † Laevigatosporites desmoinensis
  • † Laevigatosporites desmoinesensis
  • † Laevigatosporites globosus
  • † Laevigatosporites medius
  • † Laevigatosporites minutus
  • † Laevigatosporites ovalis
  • † Laevigatosporites punctatus
  • † Laevigatosporites vulgaris
• † Lagenospermum
• † Lameereites – type locality for genus
  • † Lameereites curvipennis – type locality for species
• † Lampterocrinus
  • † Lampterocrinus inflatus
• † Larryia – type locality for genus
  • † Larryia osterbergi – type locality for species
• † Latosporites
  • † Latosporites minutus

• 

  Illustration of a fossil of the Carboniferous centipede Latzelia

  † Latzelia – type locality for genus
  • † Latzelia primordialis – type locality for species
• † Laudonocrinus
  • † Laudonocrinus subsinuatus
• † Leangella
• † Lecanocrinus
• † Lecthaylus - type locality for genus
  • † Lecthaylus gregarius - type locality for species
• † Leiotriletes
  • † Leiotriletes adnatoides
  • † Leiotriletes atshanensis – or unidentified comparable form
  • † Leiotriletes gracilis
  • † Leiotriletes levis
  • † Leiotriletes notatus
  • † Leiotriletes parvus
  • † Leiotriletes pseudolevis
• † Lepadocystis
• † Lepetopsis
  • † Lepetopsis chesterensis
• † Lepidocarpon
• † Lepidocyclus

• 

  Restoration of the Carboniferous-Late Triassic club moss relative Lepidodendron . Eli Heimans (1911).

  † Lepidodendron
  • † Lepidodendron aculeatum
  • † Lepidodendron oblongifolium
  • † Lepidodendron veltheimii – or unidentified comparable form
  • † Lepidodendron volkmannianum
  • † Lepidodendron wortheni
• † Lepidophloios
• † Lepidophylloides
• † Lepidophyllum
  • † Lepidophyllum campbelleanum
• † Lepidostrobophyllum
• † Lepidostrobus
• † Leptaena
  • † Leptaena aequalis
  • † Leptaena rhomboidalis
• † Leptagonia
  • † Leptagonia missouriensis – or unidentified comparable form
• † Leptodesma
  • † Leptodesma ehlersi – or unidentified comparable form
  • † Leptodesma laevis
• † Leptoptygma
  • † Leptoptygma fountainensis – type locality for species
  • † Leptoptygma golconda
• † Lesleya
  • † Lesleya cheimarosa – type locality for species
• † Lichas
  • † Lichas pugnax

• 

  Shell of the Cambrian-modern brachiopod Lingula

  † Lingula
  • † Lingula carbonaria
  • † Lingula lamellata
• † Linoproductus
  • † Linoproductus prattenianus
• † Linopteris
  • † Linopteris rubella
• † Liospira – tentative report
• † Liroceras
  • † Liroceras liratum
• † Lissatrypa – tentative report
• † Lissochonetes
  • † Lissochonetes geinitzianus
• † Lissomartus
  • † Lissomartus schucherti – type locality for species
• † Listroncanthus
• † Lithoneura – type locality for genus
  • † Lithoneura clayesi – type locality for species
  • † Lithoneura lameerei – type locality for species
  • † Lithoneura mirifica – type locality for species
  • † Lithoneura piecko – type locality for species

• 

  Shell of a Lithophaga , or date mussel

  Lithophaga – tentative report
  • † Lithophaga subelliptica
• † Litostrobus – or unidentified comparable form
  • † Litostrobus iowensis
• † Lobeatta – type locality for genus
  • † Lobeatta schneideri – type locality for species
• † Lophophyllidium
  • † Lophophyllidium proliferum
• † Lophospira
  • † Lophospira obliqua
  • † Lophospira perangulata
  • † Lophospira serrulata
• † Lophotriletes
  • † Lophotriletes comissuralis
  • † Lophotriletes commissuralis
  • † Lophotriletes copiosus
  • † Lophotriletes gibbosus
  • † Lophotriletes granoornatus – or unidentified comparable form
  • † Lophotriletes ibrahimi
  • † Lophotriletes microsaetosus
  • † Lophotriletes mosaicus
  • † Lophotriletes pseudaculeatus
  • † Lophotriletes rarispinosus
• † Lycodemas – type locality for genus
  • † Lycodemas adolescens – type locality for species
• † Lycospora
  • † Lycospora brevijuga
  • † Lycospora granulata
  • † Lycospora micropapillata
  • † Lycospora noctuina
  • † Lycospora orbicula
  • † Lycospora paulula
  • † Lycospora pellucida
  • † Lycospora punctata
  • † Lycospora pusilla
  • † Lycospora rotunda
  • † Lycospora subjuga
  • † Lycospora torquifer
• † Lyellia
  • † Lyellia thebesensis
• † Lygdozoon
  • † Lygdozoon arkansana
• † Lyriocrinus
  • † Lyriocrinus melissa

• 

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

  † Lysorophus – type locality for genus
  • † Lysorophus tricarinatus – type locality for species

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Contents

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• † Macrocrinus
  • † Macrocrinus mundulus
• † Macrostylocrinus
  • † Macrostylocrinus striatus
  • † Macrostylocrinus subglobosus
• † Maculatasporites
  • † Maculatasporites punctatus
• † Mammia – type locality for genus
  • † Mammia alutacea – type locality for species
• † Mariopteris
  • † Mariopteris occidentalis
  • † Mariopteris pygmaea
  • † Mariopteris sillimanni
  • † Mariopteris speciosa
• † Marsupiocrinus
  • † Marsupiocrinus chicagoensis
• † Mazoglossus
  • † Mazoglossus ramsdelli – type locality for species
• † Mazonia – type locality for genus
  • † Mazonia woodiana – type locality for species
• † Mazonopterum – type locality for genus
  • † Mazonopterum wolfforum – type locality for species
• † Mazostachys
  • † Mazostachys pendulata
• † Mazothairos – type locality for genus
  • † Mazothairos enormis – type locality for species
• † Mcluckiepteron – type locality for genus
  • † Mcluckiepteron luciae – type locality for species
• † Meekopora
  • † Meekopora eximia
• † Meekospira
  • † Meekospira bambooformis
  • † Meekospira batteni
  • † Meekospira evansvillensis
  • † Meekospira minuta – type locality for species
• † Megalometer – type locality for genus
  • † Megalometer lata – type locality for species
• † Megastrophia
  • † Megastrophia profunda
• † Megathentomum – type locality for genus
  • † Megathentomum pustulatum – type locality for species
  • † Megathentomum scudderi – type locality for species
• † Megistocrinus
• † Melinophlebia – type locality for genus
  • † Melinophlebia analis – type locality for species
• † Melocrinites
  • † Melocrinites obpyramidalis
• † Merista
• † Meristina
• † Mesoblastus – tentative report
• † Mesolobus
• † Mesoplica
  • † Mesoplica mesicostalis – tentative report
• † Metacheliphlebia
  • † Metacheliphlebia elongata – type locality for species
• † Metachorus
  • † Metachorus testudo – type locality for species

• 

  Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras

  † Metacoceras
  • † Metacoceras copei – type locality for species
• † Metaconularia
  • † Metaconularia manni
• † Metatarbus – type locality for genus
  • † Metatarbus triangularis – type locality for species
• † Metopolichas
  • † Metopolichas breviceps
• † Miamia – type locality for genus
  • † Miamia bronsoni – type locality for species
• † Microcaracrinus
  • † Microcaracrinus conjugulus – type locality for species
• † Microreticulatisporites
  • † Microreticulatisporites concavus
  • † Microreticulatisporites harrisonii
  • † Microreticulatisporites lunatus
  • † Microreticulatisporites nobilis
  • † Microreticulatisporites sulcatus
• † Milosaurus – type locality for genus
  • † Milosaurus mccordi – type locality for species
• † Miobatrachus – type locality for genus
  • † Miobatrachus romeri – type locality for species
• † Mischoptera
  • † Mischoptera douglassi – type locality for species
• † Modiolopsis
• † Modiomorpha
  • † Modiomorpha concentrica
• † Modiomorphella

• 

  Fossils of the Early Devonian graptolite Monograptus

  † Monograptus
  • † Monograptus dubius
  • † Monograptus vomerinus
• † Monomuchites
  • † Monomuchites annularis
• † Monopteria
  • † Monopteria longa
• † Mooreisporites
  • † Mooreisporites inusitatus
• † Mooreoceras
• † Moundocrinus
  • † Moundocrinus osagensis – or unidentified comparable form
• † Mourlonia
• † Mulceodens
  • † Mulceodens sibleyense – or unidentified related form
• † Murchisonia
  • † Murchisonia akidota
  • † Murchisonia anderdoniae
  • † Murchisonia sibleyensis
• † Murospora
  • † Murospora kosankei
• † Myelodactylus
• † Mylacris – type locality for genus
  • † Mylacris ampla – type locality for species
  • † Mylacris anthracophila – type locality for species
  • † Mylacris antiqua – type locality for species
  • † Mylacris diplodiscus – type locality for species
  • † Mylacris sellardsi
  • † Mylacris similis – type locality for species
• † Myriotheca
  • † Myriotheca arnoldi – type locality for species
  • † Myriotheca scaberrima
• † Mysticocrinus – report made of unidentified related form or using admittedly obsolete nomenclature
• † Myxinikela – type locality for genus
  • † Myxinikela siroka – type locality for species

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• † Nacekomia – type locality for genus
  • † Nacekomia rossae – type locality for species
• † Narkema – type locality for genus
  • † Narkema taeniatum – type locality for species
• † Naticonema

• 

  Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis

  † Naticopsis
  • † Naticopsis carleyana
  • † Naticopsis planifrons
  • † Naticopsis waterlooensis – type locality for species
• † Nectoptilus – type locality for genus
  • † Nectoptilus mazonus – type locality for species
• † Neilsonia
  • † Neilsonia welleri
• † Nemastomoides – type locality for genus
  • † Nemastomoides longipes – type locality for species
• † Nemavermes – type locality for genus
  • † Nemavermes mackeei – type locality for species
• † Neochonetes
  • † Neochonetes granulifer
• † Neofouquea – type locality for genus
  • † Neofouquea suzanneae – type locality for species
• † Neospirifer
  • † Neospirifer dunbari
  • † Neospirifer triplicatus

• 

  Fossilized frond of the Carboniferous seed fern Neuropteris

  † Neuropteris
  • † Neuropteris clarksoni
  • † Neuropteris dussarti
  • † Neuropteris ovata
  • † Neuropteris parvifolia
  • † Neuropteris rarinervis
  • † Neuropteris scheuchzeri
  • † Neuropteris schlehani
  • † Neuropteris tennesseeana
  • † Neuropteris tenuifolia
• † Nigeroplica
  • † Nigeroplica illinoisensis – tentative report
• † Nodonema
  • † Nodonema granulatum
• † Nucleospira
  • † Nucleospira minima

• 

  Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula

  Nucula
• † Nuculoidea – tentative report
• † Nuculopsis
  • † Nuculopsis girtyi
• † Nummicrinus
  • † Nummicrinus waukoma

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• † Odontopteris
• † Oligocarpia
• † Oligotypus
  • † Oligotypus makowskii – type locality for species
• † Onychopterella – tentative report
  • † Onychopterella pumilis
• † Ootarbus – type locality for genus
  • † Ootarbus ovatus – type locality for species
  • † Ootarbus pulcher – type locality for species
• † Opiliotarbus
  • † Opiliotarbus elongatus – type locality for species
• † Orbiculoidea
  • † Orbiculoidea missouriensis
• † Orbinaria
  • † Orbinaria brownensis – tentative report
• † Orthomylacris
  • † Orthomylacris contorta – type locality for species
  • † Orthomylacris gurleyi – type locality for species
  • † Orthomylacris mansfieldi
  • † Orthomylacris rigida – type locality for species
• † Orthonychia
  • † Orthonychia chesterense
• † Orthospirifer
  • † Orthospirifer iowensis
• † Orthotarbus
  • † Orthotarbus minutus – type locality for species
  • † Orthotarbus robustus – type locality for species
• † Otarion
• † Ovatia
  • † Ovatia nascens
• † Ovopteris
  • † Ovopteris communis
• † Oxynoblatta
  • † Oxynoblatta triangularis – type locality for species
• † Oxyprora
  • † Oxyprora mesialis – type locality for species
  • † Oxyprora prattenanum – type locality for species

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Contents

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• † Pachystrophia – tentative report
• † Palaeobuthus – type locality for genus
  • † Palaeobuthus distinctus – type locality for species
• † Palaeocarria – type locality for genus
  • † Palaeocarria ornata – type locality for species
• † Palaeodictyopteron – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Palaeodictyopteron latipenne – type locality for species
  • † Palaeodictyopteron mazonum – type locality for species
• † Palaeolima
  • † Palaeolima equistriata
  • † Palaeolima retifer
  • † Palaeolima retifera
• † Palaeoneilo
  • † Palaeoneilo taffiana
• † Palaeopisthacanthus – type locality for genus
  • † Palaeopisthacanthus schucherti – type locality for species
• † Palaeopteridium
  • † Palaeopteridium reussii
• † Palaeostachys
  • † Palaeostachys andrewsii
• † Palaeostylus
• † Palaeozygopleura
  • † Palaeozygopleura venusta
  • † Palaeozygopleura welleri
  • † Palaeozygopleura wortheni – type locality for species
• † Palaiotaptus – type locality for genus
  • † Palaiotaptus mazonus – type locality for species
• † Palenarthrus – type locality for genus
  • † Palenarthrus impressus – type locality for species
• † Paleospora
  • † Paleospora fragila
• † Palmatopteris
• † Parachaetetes
• † Paraconularia
• † Paraisobuthus
  • † Paraisobuthus virginiae – type locality for species
• † Parajuresania
  • † Parajuresania nebrascensis
• † Parallelodon
  • † Parallelodon obsoletus
  • † Parallelodon sangamonensis
• † Parallelora
  • † Parallelora nupera
• † Paralogopsis – type locality for genus
  • † Paralogopsis longipes – type locality for species
• † Paramphicrinus – type locality for genus
  • † Paramphicrinus oklahomaensis – type locality for species
• † Parapaolia
  • † Parapaolia superba – type locality for species
• † Paraparchites
  • † Paraparchites carbonaria
  • † Paraparchites nicklesi
• † Paraphorhynchus
  • † Paraphorhynchus striatocostatum
• † Paratarbus – type locality for genus
  • † Paratarbus carbonarius – type locality for species
• † Pareinoblatta
  • † Pareinoblatta sellardsi – type locality for species
• † Paromylacris
  • † Paromylacris ampla – type locality for species
  • † Paromylacris rotunda – type locality for species
• † Parulocrinus
  • † Parulocrinus pontiacensis – type locality for species
• † Patellilabia
  • † Patellilabia chesterensis
• † Paucicrura
• † Paucijaculum – type locality for genus
  • † Paucijaculum samamithion – type locality for species
• † Paupospira
  • † Paupospira thebesensis – type locality for species

• 

  Fossils of the Late Devonian-Permian fern-like fronds Pecopteris

  † Pecopteris
  • † Pecopteris plumosa
  • † Pecopteris serrulata
  • † Pecopteris vestita
• † Pendulostachys – type locality for genus
  • † Pendulostachys cingulariformis – type locality for species
• † Pentaramicrinus
  • † Pentaramicrinus bimagnaramus
• † Pentremites
  • † Pentremites clavatus
  • † Pentremites godoni
  • † Pentremites obesus
  • † Pentremites okawensis
  • † Pentremites pyriformis
  • † Pentremites springeri
  • † Pentremites tulipaformis
• † Pentremoblastus
• † Pericalyphe – type locality for genus
  • † Pericalyphe longa – type locality for species

• 

  Fossil of the Silurian-Carboniferous crinoid ("sea lily") Periechocrinus

  † Periechocrinus
  • † Periechocrinus chicagoensis
  • † Periechocrinus infelix
  • † Periechocrinus marcouanus
  • † Periechocrinus necis
  • † Periechocrinus urniformis
• † Pernopecten
  • † Pernopecten attenuatus – tentative report
  • † Pernopecten ohioensis
• † Perotriletes
  • † Perotriletes parvigracilus
• † Petrochus
  • † Petrochus conica
  • † Petrochus mellaria – or unidentified comparable form

• 

  Fossil of the Late Ordovician-Late Devonian trilobite Phacops

  † Phacops
  • † Phacops norwoodensis
• † Phanerotrema
• † Pharkidonotus
  • † Pharkidonotus harrodi – type locality for species
  • † Pharkidonotus percarinatus
• † Phascolophyllaphycus
  • † Phascolophyllaphycus lohrensis
• † Phestia
  • † Phestia bellistriatus

• 

  Life restoration of the Carboniferous-Permian amphibian Phlegethontia .

  † Phlegethontia
  • † Phlegethontia longissima – type locality for species
• † Phlyctiscapha
• † Phragmoceras
• † Phragmolites
  • † Phragmolites multinotatus – type locality for species
• † Phyloblatta
  • † Phyloblatta diversipennis – type locality for species
  • † Phyloblatta hilliana – type locality for species
• † Phymatopleura
• † Pilosisporites
  • † Pilosisporites williamsii
• † Pisocrinus
• † Pityosporites
• † Planisporites
  • † Planisporites granifer
• † Platyceras
  • † Platyceras lineata
  • † Platyceras subrotundum
• † Platycrinus
• † Platylichas
• † Platymylacris
  • † Platymylacris paucinervis – type locality for species

• 

  Life restoration of the Carboniferous-Permian bony fish Platysomus

  † Platysomus
  • † Platysomus circularis
• † Platystrophia
  • † Platystrophia biforata
• † Platyzona
• † Plectatrypa
• † Pleophrynus – type locality for genus
  • † Pleophrynus ensifer – type locality for species
• † Pleurojulus
  • † Pleurojulus biornatus – or unidentified comparable form
• † Plicochonetes
  • † Plicochonetes glenparkensis – tentative report
• † Plummericrinus
  • † Plummericrinus erectus
• † Pohlispongia – type locality for genus
  • † Pohlispongia monosphaera – type locality for species
• † Pojetaconcha
  • † Pojetaconcha limatula
• † Poliochera – type locality for genus
  • † Poliochera gibbsi – type locality for species
  • † Poliochera glabra – type locality for species
  • † Poliochera punctulata – type locality for species
• † Polusocrinus
  • † Polusocrinus avanti
• † Polyernus – type locality for genus
  • † Polyernus complanatus – type locality for species
• † Polyetes – type locality for genus
  • † Polyetes furcifer – type locality for species
• † Polygonocrinus
  • † Polygonocrinus spiniferus – type locality for species

• 

  Life restoration of the Carboniferous Chimaera relative Polysentor

  † Polysentor – type locality for genus
  • † Polysentor gorbairdi – type locality for species
• † Porcellia
  • † Porcellia chesterensis
• † Poteriocrinus – tentative report
• † Potonieisporites
  • † Potonieisporites elegans
• † Priapulites – type locality for genus
  • † Priapulites konecniorum – type locality for species
• † Probletocrinus – type locality for genus
  • † Probletocrinus curtus – type locality for species
• † Prochoroptera – type locality for genus
  • † Prochoroptera calopteryx – type locality for species
• † Procoronaspora
  • † Procoronaspora dumosa
• † Prodentalium
• † Productella
  • † Productella subalata

• 

  Restoration of the Silurian trilobite Proetus

  † Proetus
  • † Proetus canalis
  • † Proetus determinatus
  • † Proetus handwerki
• † Progenentomum – type locality for genus
  • † Progenentomum carbonis – type locality for species
• † Promexyele
  • † Promexyele peyeri
• † Promylacris
  • † Promylacris ovalis – type locality for species
• † Promytilus – tentative report
  • † Promytilus annosus
• † Protatrypa
• † Protoblattoidea – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Protoblattoidea minor
  • † Protoblattoidea sellardsi
• † Protodictyon – type locality for genus
  • † Protodictyon pulchripenne – type locality for species
• † Protoleptostrophia
• † Protomegastrophia

• 

  Life restoration of the Carboniferous insects Protophasma and Titanophasma

  † Protophasma
  • † Protophasma galtieri – type locality for species
• † Protopilio
  • † Protopilio depressus – type locality for species
• † Protoscolex
  • † Protoscolex ruedemanni
• † Protosolpuga – type locality for genus
  • † Protosolpuga carbonaria – type locality for species
• † Pseudaviculopecten
  • † Pseudaviculopecten princeps
• † Pseudoatrypa
  • † Pseudoatrypa devoniana
• † Pseudogerarus – type locality for genus
  • † Pseudogerarus scudderi – type locality for species
• † Pseudomonotis
  • † Pseudomonotis equistriata

• 

  Fossilized skeleton of the Carboniferous snake-like amphibian Pseudophlegethontia

  † Pseudophlegethontia – type locality for genus
  • † Pseudophlegethontia turnbullorum – type locality for species
• † Pseudorthoceras
  • † Pseudorthoceras knoxense
• † Pseudosphonophyton
  • † Pseudosphonophyton höegii – type locality for species
• † Pseudozygopleura
  • † Pseudozygopleura yandellana – or unidentified comparable form
• † Pterinea
  • † Pterinea thebesensis
• † Pterochiton
  • † Pterochiton carbonarius – type locality for species
• † Pteronites
• † Pterotheca
  • † Pterotheca triangularis – type locality for species
• † Pterotocrinus
  • † Pterotocrinus abruptus
  • † Pterotocrinus armatus
  • † Pterotocrinus capitalis
  • † Pterotocrinus coronarius
  • † Pterotocrinus lingulaformis
  • † Pterotocrinus rugosus
• † Ptychocarpus
• † Pulchratia – tentative report
  • † Pulchratia symmetrica
• † Punctatisporites
  • † Punctatisporites aerarius
  • † Punctatisporites curviradiatus
  • † Punctatisporites decorus
  • † Punctatisporites edgarensis
  • † Punctatisporites flavus
  • † Punctatisporites glaber
  • † Punctatisporites gracilirugosus – or unidentified comparable form
  • † Punctatisporites irrasus
  • † Punctatisporites kankakeensis
  • † Punctatisporites minutus
  • † Punctatisporites nahannensis
  • † Punctatisporites obesus
  • † Punctatisporites obliquus
  • † Punctatisporites orbicularis
  • † Punctatisporites pseudolevatus – or unidentified comparable form
  • † Punctatisporites vermiculatus
• † Punctatosporites
  • † Punctatosporites minutus
• † Punctospirifer
  • † Punctospirifer kentuckensis
  • † Punctospirifer transversus
• † Pustulatisporites
  • † Pustulatisporites crenatus
• † Pustulatisporties
  • † Pustulatisporties crenatus
• † Pycnosaccus
• † Pyrgocystis

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• † Quadrochonetes
  • † Quadrochonetes geronticus
• † Quasillinites
  • † Quasillinites diversiformis

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• † Radiizonates
  • † Radiizonates striatus
• † Rafinesquina
  • † Rafinesquina mesicosta
• † Raistrickia
  • † Raistrickia abdita
  • † Raistrickia aculeata
  • † Raistrickia aculeolata
  • † Raistrickia breveminens
  • † Raistrickia brevemines
  • † Raistrickia carbondalensis
  • † Raistrickia crinita
  • † Raistrickia crocea
  • † Raistrickia dispar
  • † Raistrickia fibrata – or unidentified comparable form
  • † Raistrickia grovensis
  • † Raistrickia irregularis
  • † Raistrickia lacerata
  • † Raistrickia lowellensis
  • † Raistrickia pilosa
  • † Raistrickia pontiacensis
  • † Raistrickia prisca
  • † Raistrickia solaria
  • † Raistrickia subcrinita
  • † Raistrickia superba
• † Rasstriga – type locality for genus
  • † Rasstriga americana – type locality for species
• † Redstockia
• † Reinschospora
  • † Reinschospora magnifica
  • † Reinschospora triangularis
• † Remopleurides
  • † Remopleurides missouriensis
• † Renaultia
• † Renisporites
  • † Renisporites confossus
• † Resserella
• † Reticulariiina
  • † Reticulariiina spinosa
• † Reticulariina
  • † Reticulariina spinosa
• † Reticulatia
  • † Reticulatia huecoensis
• † Reticulatisporites
  • † Reticulatisporites lacunosus
  • † Reticulatisporites muricatus
  • † Reticulatisporites polygonalis
  • † Reticulatisporites reticulatus
  • † Reticulatisporites splendens
• † Reticulograptus
  • † Reticulograptus polymorphus
• † Retispira
  • † Retispira monronensis – type locality for species
  • † Retispira nodocostata – type locality for species
  • † Retispira ornatus – type locality for species
• † Rhabdoxylon
  • † Rhabdoxylon americanum – type locality for species
• † Rhineoderma
  • † Rhineoderma piasaensis – type locality for species
• † Rhipidium
• † Rhipidomella
  • † Rhipidomella carbonaria
  • † Rhipidomella rockportensis
• † Rhodea
  • † Rhodea trichomanoides – or unidentified comparable form
• † Rhodeopteridium
  • † Rhodeopteridium phillipsii – type locality for species
• † Rhombopora
• † Rhynchogonium
  • † Rhynchogonium fayettevillense

• 

  Fossilized shell of the Silurian-Eocene articulate brachiopod Rhynchonella

  † Rhynchonella
• † Rhynchopora
  • † Rhynchopora hamburgensis
  • † Rhynchopora prisca
  • † Rhynchopora pustulosa
• † Rhynchotreta
• † Rugosochonetes
  • † Rugosochonetes gregarius – or unidentified comparable form
  • † Rugosochonetes pikensis
• † Ruthiphiala
  • † Ruthiphiala sublaevis

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Contents

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• † Saccoglossus
  • † Saccoglossus testa – type locality for species
• † Saetograptus
  • † Saetograptus colonus
• † Sagenodus
  • † Sagenodus cristatus – type locality for species
• † Sagittoceras
  • † Sagittoceras hathawayanum – type locality for species
• † Salterospira
  • † Salterospira chesterensis
  • † Salterospira okawensis
• † Salvadorea
  • † Salvadorea randi
• † Samaropsis
• † Savagella
  • † Savagella illinoisensis
  • † Savagella lindahli
• † Savitrisporites
  • † Savitrisporites asperatus
  • † Savitrisporites majus
  • † Savitrisporites nux
• † Scepasma – type locality for genus
  • † Scepasma gigas – type locality for species
• † Sceptropora
  • † Sceptropora facula
• † Schizodus
• † Schizophoria
  • † Schizophoria hortonensis
  • † Schizophoria iowensis
• † Schizotreta
  • † Schizotreta tenuilamellata
• † Schondorfia – type locality for genus
  • † Schondorfia fungosa – type locality for species
• † Schopfites
  • † Schopfites carbondalensis
  • † Schopfites colchesterensis
  • † Schopfites dimorphus
• † Schuchertella
  • † Schuchertella hardinensis
  • † Schuchertella louisianaensis
  • † Schuchertella propinqua
• † Schuchertiella – type locality for genus
  • † Schuchertiella gracilis – type locality for species
• † Schulzospora
  • † Schulzospora rara
• † Sciadiocrinus
  • † Sciadiocrinus tegillum – type locality for species
• † Scolecopteris – tentative report
• † Sedenticellula
  • † Sedenticellula hamburgensis
• † Selenella
  • † Selenella pediculus
• † Semiproductus
• † Senftenbergia
• † Sentosia
  • † Sentosia ignota – tentative report
• † Septameroceras
• † Serpulopsis
• † Serpulospira
  • † Serpulospira diversiformis
• † Shansiella
  • † Shansiella broadheadi – tentative report
• † Shumardella
  • † Shumardella fracta
• † Sievertsia

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  Fossilized stump of the Carboniferous-Permian club moss relative Sigillaria

  † Sigillaria
  • † Sigillaria mamillaris – or unidentified comparable form
  • † Sigillaria rugosa
• † Sigillariostrobus
• † Silphion – type locality for genus
  • † Silphion latipenne – type locality for species
• † Similihariotta – type locality for genus
  • † Similihariotta dabasinskasi – type locality for species
• † Simplicius
  • † Simplicius simplex – type locality for species
• † Sinuspores
  • † Sinuspores sinuatus
• † Siphonocrinus
  • † Siphonocrinus nobilis
• † Skenidioides

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  Modern specimen of the marine bivalve Solemya

  Solemya
  • † Solemya trapezoides
• † Soleniscus
  • † Soleniscus primogenius
• † Solenochilus
  • † Solenochilus shumwayense – type locality for species
• † Sorellophrynus – type locality for genus
  • † Sorellophrynus carbonarius – type locality for species
• † Spackmanites
  • † Spackmanites facierugosus – or unidentified comparable form
  • † Spackmanites habibii
• † Sphaerexochus
  • † Sphaerexochus roemingeri
  • † Sphaerexochus romingeri
• † Sphaerocoryphe
  • † Sphaerocoryphe arachniformis

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  Fossilized leaves and branches of the Devonian-Triassic horsetail relative Sphenophyllum

  † Sphenophyllum
  • † Sphenophyllum cuneifolium
  • † Sphenophyllum emarginatum
  • † Sphenophyllum longifolium – or unidentified comparable form
• † Sphenopteris
  • † Sphenopteris distans
  • † Sphenopteris preslesensis
• † Sphenosphaera
  • † Sphenosphaera consimilis – type locality for species
• † Spilaptera
  • † Spilaptera americana – type locality for species
• † Spilomastax – type locality for genus
  • † Spilomastax oligoneurus – type locality for species
• † Spinatrypa
  • † Spinatrypa bellula
  • † Spinatrypa occidentalis
• † Spinosporites
  • † Spinosporites exiguus
• † Spinyplatyceras
  • † Spinyplatyceras fornicatum
• † Spondylerpeton – type locality for genus
  • † Spondylerpeton spinatum – type locality for species
• † Srokalarva – type locality for genus

  • 

    Srokalarva berthei part and counterpart

    † Srokalarva berthei – type locality for species
• † Staurocephalus
  • † Staurocephalus obsoleta
• † Stearoceras
  • † Stearoceras involutum – type locality for species
• † Stegerhynchus
  • † Stegerhynchus antiqua
  • † Stegerhynchus concinna
• † Stegocoelia
  • † Stegocoelia okawensis
• † Stellarocrinus
  • † Stellarocrinus bilineatus – type locality for species
  • † Stellarocrinus virgilensis – or unidentified comparable form
• † Stellatheca
  • † Stellatheca latiloba
  • † Stellatheca ornata
• † Stenopareia
• † Stenopecrinus
  • † Stenopecrinus planus – or unidentified comparable form
• † Stenoscisma
  • † Stenoscisma explanatum
• † Stephanopsis – type locality for genus
  • † Stephanopsis mirandus – type locality for species
• † Stephanozyga

• 

  Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus

  † Stethacanthus
  • † Stethacanthus altonensis
• † Stictopora
• † Stigmaria
  • † Stigmaria ficoides
  • † Stigmaria stellata
  • † Stigmaria wedingtonensis
• † Straparollus
  • † Straparollus subquadratus
• † Streblochondria
• † Striispirifer
• † Strobeus
  • † Strobeus brevis
  • † Strobeus paludinaeformis
• † Strophomena
• † Strophostylus
  • † Strophostylus wortheni – type locality for species
• † Styptobasis
  • † Styptobasis aculeata – type locality for species
• † Subglobosochonetes
  • † Subglobosochonetes jerseyensis

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  Fossil of the Carboniferous Chimaera relative Symmorium

  † Symmorium – type locality for genus
  • † Symmorium reniforme – type locality for species
• † Syntonoptera – type locality for genus
  • † Syntonoptera schucherti – type locality for species
• † Sypharoptera – type locality for genus
  • † Sypharoptera pneuma – type locality for species
• † Syringopora
• † Syringothyris
  • † Syringothyris extenuata
  • † Syringothyris hannibalensis

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• † Tainoceras
  • † Tainoceras monilifer
  • † Tainoceras sexlineatum – type locality for species
• † Telangiopsis
• † Telangium
• † Telmatoscorpio – type locality for genus
  • † Telmatoscorpio brevipectus – type locality for species

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  Fossilized shell of the Early Ordovician-Late Devonian probable mollusc Tentaculites

  † Tentaculites
  • † Tentaculites bellulus
• † Terpnocrinus – type locality for genus
  • † Terpnocrinus ocoyaensis – type locality for species
• † Testajapyx – type locality for genus
  • † Testajapyx thomasi – type locality for species
• † Thalamocrinus
• † Thaleops
  • † Thaleops depressicapitata
• † Thallites
  • † Thallites dichopleurus
• † Thebanaspis
  • † Thebanaspis channahonensis
• † Thebesia
  • † Thebesia thebesensis
• † Thelyphrynus – type locality for genus
  • † Thelyphrynus elongatus – type locality for species
• † Thesoneura – type locality for genus
  • † Thesoneura americana – type locality for species
• † Thigriffides
  • † Thigriffides roundyi
• † Tholocrinus
  • † Tholocrinus discus – type locality for species
  • † Tholocrinus unionensis – type locality for species
• † Thuroholia
  • † Thuroholia cribriformis – type locality for species
  • † Thuroholia croneisi – type locality for species
• † Thyloblatta
• † Thymospora
  • † Thymospora pseudothiessenii
• † Titanoscorpio – type locality for genus
  • † Titanoscorpio douglassi – type locality for species
• † Torispora
  • † Torispora securis
• † Torynifer
  • † Torynifer setiger
• † Tranodis
  • † Tranodis castrensis
• † Tremanotus
• † Trepospira
  • † Trepospira depressa
• † Triamara
  • † Triamara tumida
  • † Triamara ventricosa
• † Trigera – tentative report
• † Trigonocarpus
• † Trigonoglossa – tentative report
  • † Trigonoglossa nebrascensis
• † Trigonotarbus
  • † Trigonotarbus carbonarius – type locality for species
• † Trihyphaecites
  • † Trihyphaecites triangulatus
• † Triquitrites
  • † Triquitrites additus
  • † Triquitrites arculatus – or unidentified comparable form
  • † Triquitrites bransonii
  • † Triquitrites crassus
  • † Triquitrites desperatus
  • † Triquitrites dividuus
  • † Triquitrites exiguus
  • † Triquitrites minutus
  • † Triquitrites protensus
  • † Triquitrites pulvinatus
  • † Triquitrites sculptilis
  • † Triquitrites spinosus
  • † Triquitrites subspinosus
  • † Triquitrites trigonappendix
  • † Triquitrites truncatus
• † Triticites
  • † Triticites pauper
  • † Triticites turgidus
• † Trochonema
  • † Trochonema umbilicata – or unidentified comparable form
• † Trochurus
  • † Trochurus welleri
• † Tropidodiscus
  • † Tropidodiscus compticarinatus
• † Tuberculatosporites
  • † Tuberculatosporites robustus

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  Restoration of the mysterious Carboniferous life-form Tullimonstrum , or the Tully monster

  † Tullimonstrum – type locality for genus
  • † Tullimonstrum gregarius – type locality for species
• † Turnbullia – type locality for genus
  • † Turnbullia priscillae – type locality for species
• † Tylothyris
  • † Tylothyris missouriensis

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• † Ulocrinus
  • † Ulocrinus convexus
  • † Ulocrinus sangamonensis
• † Undulabucania
  • † Undulabucania punctifrons
• † Unispirifer
  • † Unispirifer senex

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• † Vallatisporites
• † Valmeyeraphycus
  • † Valmeyeraphycus jerseyensis
• † Valmeyerodendron
  • † Valmeyerodendron triangularifolium
• † Verrucosisporites
  • † Verrucosisporites compactus
  • † Verrucosisporites donarii
  • † Verrucosisporites firmus
  • † Verrucosisporites microtuberosus
  • † Verrucosisporites papulosus
  • † Verrucosisporites sifati
  • † Verrucosisporites verrucosus
  • † Verrucosisporites verus – or unidentified comparable form
• † Vesicaspora
  • † Vesicaspora wilsonii
• † Vestispora
  • † Vestispora colchesterensis
  • † Vestispora costata
  • † Vestispora fenestrata
  • † Vestispora foveata
  • † Vestispora irregularis
  • † Vestispora laevigata
  • † Vestispora profunda
  • † Vestispora pseudoreticulata
  • † Vestispora wanlessii
• † Volsellina
  • † Volsellina subelliptica

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• † Waeringoscorpio – type locality for genus
  • † Waeringoscorpio alliedensis – type locality for species
• † Wellerella
  • † Wellerella osagensis
  • † Wellerella tetrahedra
• † Welleriella – tentative report
• † Whidbornella
  • † Whidbornella curtirostris
• † Whitella
  • † Whitella sterlingensis
• † Whitfieldella
  • † Whitfieldella billingsana
• † Whittleseya
• † Wilkingia
  • † Wilkingia costatum
• † Wilsonites
  • † Wilsonites circularis
  • † Wilsonites delicatus
  • † Wilsonites vesicatus
• † Worthenia
  • † Worthenia tabulata

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• 

  Illustration of a fossil of the Carboniferous millipede Xyloiulus

  † Xyloiulus
  • † Xyloiulus frustulentus – type locality for species
  • † Xyloiulus mazonus – type locality for species

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• † Yochelsonospira – type locality for genus
  • † Yochelsonospira tenuilineata – type locality for species
• Yoldia

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• † Zangerlispongia – type locality for genus
  • † Zangerlispongia richardsoni – type locality for species
• † Zaphrenthis
  • † Zaphrenthis stokesi
• † Zeilleria
• † Zeugopleura
  • † Zeugopleura jeffersonensis
• † Zophocrinus – tentative report
• † Zosterogrammus – type locality for genus
  • † Zosterogrammus stichostethus – type locality for species

References

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