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 541 and 252.17 million years of age.

A
  • †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

B
  • †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
  • †Bellinurus
    • †Bellinurus 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 restorationg 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

C
  • †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
  • †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

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

E
  • †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

F
  • †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

G
  • †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

H
  • †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

I
  • †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

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

K
  • †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

L
  • †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
  • †Lecathylus
    • †Lecathylus gregarious
    • †Lecathylus gregarius
  • †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

M
  • †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

N
  • †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

O
  • †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

P
  • †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

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

R
  • †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

S
  • †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
  • 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
  • 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
  • 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
  • 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

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

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

V
  • †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

W
  • †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

X
  • Illustration of a fossil of the Carboniferous millipede Xyloiulus
    †Xyloiulus
    • †Xyloiulus frustulentus – type locality for species
    • †Xyloiulus mazonus – type locality for species

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

Z
  • †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
gollark: Besides, one person can't just go "hmm yes I do not like this" and revolt one day.
gollark: > Ok, if everything is so shitty, why having you revolted against your government yet?ah yes, just revolt against your government if problems are problematic.
gollark: Do you really *need* food? *Really*?
gollark: ++delete vøid
gollark: * 10000 bugs

References
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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