List of the Paleozoic life of Kentucky

• †Abatocrinus • †Abatocrinus grandis • †Abatocrinus steropes • †Abatocrinus n. sp. – informal • †Abrotocrinus'' • †Abrotocrinus coreyi • †Abrotocrinus debrae • †Abrotocrinus manus – tentative report • †Abrotocrinus springeri • †Abrotocrinus unicus • †Achatella • †Achistrum • †Achistrum brownwoodensis • †Achistrum ludwigi • †Achistrum monochordata • †Achistrum nicholsoni • †Acidaspis • †Acidaspsis • †Acinophyllum • †Acinophyllum davisi • †Aclisina • †Aclisina golconda • †Acolocrinus • †Acolocrinus hydraulicus • †Acratia • † Acrophyllum • †Acrophyllum clarki • †Acrophyllum conigerum • †Actinoceras • †Actinoceras altopontense – type locality for species • †Actinoceras kentuckiense – type locality for species • †Actinocrinites'' • †Actinocrinites eximius • †Actinocrinites gibsoni • †Actinocrinites jugosus • †Actinocrinites scitulus • †Adinocrinus • †Adinocrinus nodosus • †Aerocortex • †Aerocortex kentuckiensis • †Agaricocrinus • †Agaricocrinus americanus • †Agaricocrinus crassus • †Agaricocrinus inflatus – tentative report • †Agaricocrinus planoconvexus • †Agaricocrinus wortheni – tentative report • †Agassizocrinus • †Agassizocrinus conicus • †Agassizocrinus gibbosua • †Agassizocrinus laevis • †Agassizocrinus lobatus • †Ahrensisporites • †Ahrensisporites guerickei • †Alaskadiscus • †Alaskadiscus magnus • †Alaskadiscus subacutus • †Alastega • †Alastega martini – type locality for species • †Alethopteris'' • †Alethopteris decurrens • †Alethopteris lonchitica – or unidentified comparable form • †Allonychia • †Allonychia flanaganensis • †Alloprosallocrinus • †Alloprosallocrinus conicus • †Allorisma • †Allosaccus • †Allumettoceras • †Allumettoceras tenerum – or unidentified comparable form • †Alveolites • †Alveolites asperus • †Alveolites constans • †Alveolites expatiatus • †Alveolites fibrosus • †Alveolites goldfussi • †Alveolites labrosus • †Alveolites louisvillensis • †Alveolites minimus • †Alveolites mordax • †Alveolites squamosus • †Alveolites undosus • †Alveolites winchellana • †Amaurotoma • †Amaurotoma leavenworthana • †Amblytochiton • †Amblytochiton incomptus – type locality for species • †Ambochia • †Ambonychia • †Ambonychia byrnesi • †Ambonychia ulrichi – or unidentified comparable form • †Ammonellipsites • †Amphiscapha • †Amphiscapha catilloides • †Amphissites • †Amphissites centronotoides • †Amphissites mimicus • †Amphissites planoventralis • †Amphissites vanniae • †Amphoracrinus • †Amplexizaphrentis • †Amplexizaphrentis compressus • †Amplexizaphrentis spinulosus • †Amplexopora'' • †Amplexopora minnesotensis • †Amplexopora minor • †Amplexopora persimilis • †Amplexopora winchelli – or unidentified comparable form • †Amplexus • †Amplexus fragilis • †Amygdalocystites • †Amygdalocystites fiorealis • †Anapiculatisporites • †Anapiculatisporites minor • †Anastrophia – tentative report • †Anazyga • †Anazyga recurvirostra • †Anchiopella • †Anchiopella anchiops • †Anematina • †Anematina proutana • † Anisophyllum • †Anisophyllum trifurcatum • †Anisophyllum unilargum – tentative report • †Ankyropteris • †Ankyropteris brongniartii • †Annularia'' • †Annularia galioides • †Anomalocrinus • †Anomalodonta • †Anomalodonta gigantea • †Aorocrinus • †Aorocrinus nodulus – type locality for species • †Aparchites • †Aparchites minutissimus • †Apiculatasporites • †Apiculatasporites variocorneus • †Apodasmocrinus • †Apodasmocrinus punctatus • †Aptochilina • †Arabellites • †Arabellites cornutus • †Arachnophyllum • †Arachnophyllum mamillare • †Arachnophyllum mammillare • †Arachnophyllum pentagonum – type locality for species • †Arachnophyllum quadrangulare • †Arachnophyllum separatum • †Arachnophyllum sinemurum – type locality for species • †Arachnophyllum striatum • †Archaeocidaris'' • †Archaeocidaris norwoodi • †Archaeocrinus • †Archaeocrinus peculiaris • †Archaeopitys • †Archaeopitys eastmanii • †Archaeopteris • †Archaeopteris eastmanii • †Archimedes'' • †Archimedes communis • †Archimedes compactus • †Archimedes confertus • †Archimedes distans • †Archimedes invaginatus • †Archimedes lativolvis • †Archimedes macfarlani • †Archimedes meekanoides • †Archimedes meekanus • †Archimedes proutanus • †Archimedes sublaxus • †Archimedes swallowvanus • †Archimedes terebriformis • †Archinacella • †Archinacella simulatrix • †Arnoldella • †Arnoldella minuta • †Arthraria • †Arthraria rogersensis • †Arthropitys • †Arthropitys communis • †Arthroxylon • †Asolanus • †Aspidopora • †Aspidopora newberryi • †Astarella • †Astartella – tentative report • †Astartella concentrica • †Asteracanthus'' • †Asteracanthus siderius – type locality for species • †Asterophyllites • †Asterophyllites charaeformis • †Asterophyllites longifolius • †Asthenophyllum • †Asthenophyllum davisi – type locality for species • †Asthenophyllum scitulum – tentative report • †Astrocerium • †Astrocerium hisingeri • †Astrocerium niagarense • †Astrocerium venustum • †Atactopora • †Atactoporella • †Atactoporella newportensis • †Atelestocrinus • †Atelestocrinus kentuckyensis – type locality for species • †Athyris • †Athyris fultonensis • †Atrypa'' • †Augustoceras • †Augustoceras shideleri – type locality for species • †Aulacera • †Aulacera cylindrica • †Aulacera intermedia • †Aulacera nodulifera • †Aulacera plummeri • †Aulocrinus • †Aulocrinus bellus • †Aulocystis • †Aulocystis auloporoidea • †Aulocystis jacksoni • †Aulocystis procumbens – tentative report • †Aulocystis transitorius – type locality for species • †Aulopora'' • †Aulopora precius • †Aulopora pygmaea – tentative report • †Aulopora tubiporoides • †Australosutura • †Aviculopecten • †Aviculopecten germanus – or unidentified related form ==B==

• Bairdia • †Bairdia salemensis • †Balticopora • †Balticopora tenuimurale • †Barycrinus • †Barycrinus asteriscus – or unidentified related form • †Barycrinus cornutus • †Barycrinus rhombiferus • †Barycrinus sculptilis • †Barycrinus sculptus • †Barycrinus spurius • †Barycrinus stellatus • †Barycrinus tumidus • †Batherocystis • †Batherocystis appressa • †Bathyurus • †Bathyurus ingalli – or unidentified comparable form • †Batocrinus • †Batocrinus calyculus • †Batocrinus icosodactylus • †Batocrinus spergenensis • †Batostoma • †Batostoma humile – or unidentified comparable form • †Batostomella • †Batostomella gracilis • †Beecheria • †Beecheria formosa – tentative report • †Belemnospongia • †Belemnospongia parmula • †Bellerophon'' • †Beloitoceras • †Beloitoceras huronense – or unidentified comparable form • †Benthanyphyllum • †Benthanyphyllum prateriforme • †Benthanyphyllum robustum • Berenicea • †Beyrichia • †Beyrichia chambersi • †Beyrichoceras • †Billingsastraea • †Billingsastraea yandelli • †Billingsocystis • †Billingsocystis invaginata • †Bisatoceras – tentative report • †Blairocrinus • †Blairocrinus protuberatus – type locality for species • †Blothrocrinus • †Blothrocrinus swallovi • †Blothrophyllum • †Blothrophyllum zaphrentiforme • †Bolbopisthia • †Bolbopisthia progressa reticulata – or unidentified comparable form • †Bollia • †Bollia persulcata • †Borestus • †Bostonia • †Bostonia perplexa • †Bothrodendron • †Bothrodendron minutifolium • †Bowmanites • †Bowmanites dawsoni • †Brachiospongia • †Brachiospongia digitata • †Brachymetopus • †Brachythyris • †Brachythyris subcardiformis • †Brachythyris suborbicularis • †Bucanapsis • †Bucania • †Bucania halli • †Bucania pojetai – type locality for species • †Bucania rugatina • †Bucania subangulata • †Bucania sublata • †Bucanopsis • †Bucanopsis carinifera • †Bucanopsis diabloensis • †Bulimorpha • †Bulimorpha bulimiformis • †Bulimorpha elongata • †Bumastus'' • †Byssonychia • †Byssonychia radiata • †Byssonychia richmondensis • Bythocypris • †Bythocypris cylindrica • †Bythocypris lydeae ==C==

• †Calamites'' • †Calamites cistii • †Calamites undulatus • †Calamocarpon • †Calamocarpon insignis • †Calamopitys • †Calamopitys americana • †Calamopitys foerstei • †Calamopteris • †Calamopteris hippocrepis • †Calamoptys • †Calamoptys foerstei • †Calamospora • †Calamospora hartungiana • †Calamostachys • †Calamostachys binneyana • †Calapoecia • †Calapoecia huronensis • †Callixylon'' • †Callixylon brownii • †Calopora • †Calopora ramosa • †Calostylis • †Calostylis lindstroemi • †Calostylis spongiosa • †Calyptaulax • †Calyptaulax strasburgensis – or unidentified comparable form • †Camarotoechia • †Camarotoechia mutata • †Camerella • †Camerella immatura – or unidentified related form • †Cameroceras'' • †Cameroceras rowenaense – type locality for species • †Cameroceras trentonense – or unidentified comparable form • †Camptocrinus • †Camptocrinus crawfordsvillensis • †Camptocrinus nudus • †Canadocystis • †Canadocystis tennesseensis • †Cantabricanites – tentative report • †Cantabricanites greenei • †Carabocrinus • †Carabocrinus micropunctatus • †Carabocrinus plate – informal • †Carinaropsis • †Carinaropsis cymbula • †Carinaropsis explanata – type locality for species • †Carinaropsis minima • †Cartersoceras • †Cartersoceras popei – type locality for species • †Cartersoceras shideleri • †Catillocrinus • †Catillocrinus tennesseeae • †Cavellina • †Ceramophylla • †Ceramophylla alternatum • †Ceramoporella • †Cerartoleperditia • †Cerartoleperditia kentuckyensis • †Ceratopsis • †Ceratopsis chambersi • †Ceratopsis intemedia • †Ceratopsis intermedia • †Ceratopsis oculifera – or unidentified related form • †Ceraurus'' • †Cestocrinus – tentative report • †Chasmatopora • †Cheirocystis • †Cheirocystis fultonensis – type locality for species • †Chonetes • †Cincinnaticrinus • †Cincinnaticrinus varibrachialis • †Cincinnetina • †Cincinnetina meeki • †Cincinnetina multisecta • †Cladochonus • †Cladochonus beecheri • †Cladochonus crassus • †Cladopora • †Cladopora aculeata • †Cladopora acupicta • †Cladopora bifura • †Cladopora gulielmi • †Cladopora imbricata • †Cladopora menis – tentative report • †Cladopora ordinata • †Cladopora reticulata • †Cladoxylon • †Clathrospira • †Clathrospira conica • †Clathrospira subconica • †Claudeonychia – tentative report • †Claudeonychia byrnesi • †Cleionychia • †Cleiothyridina'' • †Cleiothyridina hirsuta • †Cleiothyridina sublamellosa • †Clepsydropsis • †Clepsydropsis bertrandi • †Clepsydropsis campbelli • †Clepsydropsis chaneyi • †Clepsydropsis titan • †Climacograptus • †Climacograptus putillus • †Clinopistha • †Clinopistha radiata • †Codaster • †Codaster jessieae • †Coeliocrinus • †Coeliocrinus subspinosus • †Coenites • †Coenites verticillatus • †Colaptomena • †Colpomya • †Colpomya constricta • †Colpomya faba • †Composita'' • †Composita subquadrata • †Composita trinuclea • †Conostoma • †Conostoma anglogermanicum • †Conostoma oblongum • †Constellaria • †Constellaria florida – or unidentified comparable form • †Constellaria teres • †Conularia • †Conularia formosa • †Conularia trentonensis • †Convolutispora • †Coopericystis • †Coopericystis pyriformis • †Cordaites • †Cordaites felicis • †Cornulites'' • †Coronocystis • †Coronocystis angulatus • †Cosmetocrinus • †Cosmetocrinus gracilis • †Costalocrinus • †Costalocrinus conkini – type locality for species • †Costalocrinus cornutus • †Costalocrinus rex • †Costatulites • †Costatulites richmondensis • †Crania – tentative report • †Craniops • †Craniops cincinnatiensis • †Crassispora • †Crassispora kosankei • †Craterophyllum • †Craterophyllum adnascens • †Craterophyllum invaginatum • †Craterophyllum solitarium • †Cryptolithus • †Cryptolithus bellulus • †Cryptolithus recurvus • †Cryptolithus tesselatus • †Ctenobolbina • †Ctenobolbina ciliata • †Ctenodonta • †Ctenodonta logani – or unidentified related form • †Ctenodonta longa – or unidentified related form • †Ctenodonta nasuta – or unidentified comparable form • †Ctenodonta obliqua • †Ctenodonta regia • †Ctenodonta socialis • †Cuffeyella • †Cuffeyella arachnoidea • †Culmicrinus • †Culmicrinus verus • †Cuneamya • †Cupulocrinus • †Cyathactis • †Cyathactis sedentarius • †Cyathactis typus • †Cyathaxonia • †Cyathaxonia venusta • †Cyathocrinites'' • †Cyathocrinites asperrimus • †Cyathocrinites astralus – type locality for species • †Cyathocrinites farleyi • †Cyathocrinites glenni • †Cyathocrinites iowensis • †Cyathocrinites kelloggi • †Cyathocrinites multibrachiatus • †Cyathocrinites nodosus • †Cyathocrinites parvibrachiatus • †Cyathophylloides • †Cybelinidae • †Cybelinidae cranidium – informal • †Cycloconcha • †Cycloconcha milleri • †Cycloconcha ovata – or unidentified related form • †Cyclocyclopa • †Cyclocystoides • †Cyclogranisporites • †Cyclogranisporites aureus – or unidentified comparable form • †Cyclogranisporites minutus • †Cyclonema • †Cyclonema minuta • †Cyclopentagonopa • †Cyclora – tentative report • †Cydrocrinus • †Cydrocrinus concinnus – tentative report • †Cydrocrinus subramulosus – tentative report • †Cymatonota • †Cyphaspis • †Cyphotrypa • †Cyphotrypa acervulosa • †Cyphotrypa clarksvillensis • †Cypricardinia • †Cypricardinia indianensis • †Cyrtina • †Cyrtoceras'' • †Cyrtodonta • †Cyrtodonta grandis • †Cyrtodonta subovata • †Cyrtodontula • †Cyrtodontula umbonata • †Cyrtolites • †Cyrtolites claysferryensis – type locality for species • †Cyrtolites inornatum • †Cyrtolites ornatus – tentative report • †Cyrtolites retrorsus • †Cyrtospira • †Cyrtospira bicurvata – type locality for species • †Cyrtostropha • †Cyrtostropha salteri • †Cystihalysites • †Cystihalysites nexus • †Cystiphylloides • †Cystiphylloides americanum • †Cystiphylloides crassatum • †Cystiphyllum • †Cystiphyllum granilineatum • †Cystiphyllum niagarense • †Cystiphyllum spinulosum • †Cystodictya • †Cystodictya lineata • Cytherella ==D==

• †Dalejina • †Dalmanella • †Dalmanella emacerata • †Dalmanella fertilis • †Dalmanella sulcata • †Dalmanophyllum • †Dalmanophyllum gainesi • †Dalmanophyllum herzeri • †Dalmanophyllum linguliferum • †Decadocrinus'' • †Decadocrinus scalaris • †Deceptrix • †Deceptrix hartsvillensis – or unidentified comparable form • †Deceptrix perminuta • †Declinognathodus • †Declinognathodus delicatus – or unidentified related form • †Declinognathodus donetzianus • †Declinognathodus marginodosus • †Decoroproetus • †Decoroproetus parviusculus • †Deiroceras • †Deiroceras curdsvillense • †Dekayia • †Deliablastus • †Deliablastus cumberlandensis • †Deltoidospora • †Deltoidospora priddyi • †Densosporites • †Densosporites annulatus • †Densosporites glandulosus • †Densosporites sphaerotriangularis • †Dentiblastus • †Diabolocrinus • †Diabolocrinus vesperalis • †Dichocrinus • †Dichocrinus ficus – tentative report • †Dichocrinus gracilis • †Dichocrinus pocillum – tentative report • †Dichocrinus simplex • †Dichocrinus ulrichi • †Dictyophlois • †Dictyophlois reticulata • †Dictyotomaria • †Dictyotomaria nyi • †Dictyotriletes • †Dictyotriletes bireticulatus • †Dielasma • †Dielasma formosa • †Diestoceras • †Diestoceras indianense • †Diichnia • †Diichnia kentuckiensis • †Dilobella • †Dimegelasma • †Dimorphoceratoides • †Dimorphoceratoides adamsi – type locality for species • †Dinophyllum • †Dinophyllum hoskinsoni • †Dinophyllum stokesi • †Dinorthis • †Dinorthis pectinella • †Diorychopora • †Diorychopora tenuis • †Diploblastus • †Diplograptus'' • †Disphyllum • †Disphyllum synaptophylloides • †Dizygocrinus • †Dizygocrinus biturbinatus • †Dizygocrinus montgomeryensis • †Dizygocrinus whitei • †Doleroides • †Dolichoharpes • †Donaldina • †Donaldina zadoe • †Dorycrinus • †Dorycrinus gouldi • †Dorycrinus quinquelobus • †Drymopora • †Drymopora fascicularis • †Dzhaprakoceras • †Dzhaprakoceras brodheadense – type locality for species ==E==

• †Ectenocrinus • †Ectenocrinus simplex • †Edaphophyllum • †Edaphophyllum laciniatum – tentative report • †Edmondia • †Edrioaster • †Edrioaster bigsbyi • †Edrioaster priscus • †Emmonsia • †Emmonsia amplissima • †Emmonsia arbuscula • †Emmonsia bacula • †Emmonsia convexa • †Emmonsia emmonsi • †Emmonsia epidermata • †Emmonsia epidermi • †Emmonsia eximia • †Emmonsia radiciformis • †Emmonsia ramosa • †Emmonsia tuberosa • †Endoceras'' • †Endoceras proteiformis • †Endothyra • †Endothyra baileyi • †Endothyranella • †Endothyranella inflata • †Endothyranella kentuckyensis • †Enoploura • †Enoploura punctata – or unidentified comparable form • †Entelophyllum • †Entelophyllum eruciforme • †Entelophyllum rugosum • †Entelophyllum strictum • Eocaudina • †Eocaudina gutschicki • †Eocaudina mccormacki • †Eochonetes • †Eochonetes clarksvillensis • †Eoleperditia • †Eoleperditia catheysensis – or unidentified comparable form • †Eoleperditia fabulites • †Eolissochonetes • †Eolissochonetes morsei • †Eopteria • †Eopteria conocardiformis • †Eospirifer • †Eotomaria • †Ephippioceras • †Ephippioceras ferratum • , or horsetail †Equisetum'' • †Equisetum arvense • †Eratacrinus • †Eratacrinus coxanus • †Eremopteris • †Eremopteris gracilis • †Eretmocrinus • †Eretmocrinus cloelia • †Eretmocrinus magnificus • †Eretmocrinus ramulosus • †Eretmocrinus yandelli • †Eridophyllum • †Eridophyllum archiaci • †Eridophyllum coagulatum • †Eridophyllum seriale • †Eridophyllum tumidulum • †Eridopora • †Eridorthis • †Eridorthis nicklesi • †Eridotrypa • †Eridotrypa briareus – or unidentified comparable form • †Eridotrypa mutabilis • †Escharopora • †Escharopora falciformis • †Escharopora hilli • †Escharopora nodulosa – or unidentified comparable form • †Etheridgella • †Etheridgella biconvexa – type locality for species • †Eucladocrinus • †Eucladocrinus millebrachiatus • †Euconospira • †Euconospira conula • †Eumetria • †Eumetria marcyi • †Eumetria vera • †Eumetria verneuiliana • †Eumetria verneuliana • †Eunema • †Eunema centralis • †Eunema helicteres • †Eunicites • †Eupachycrinus • †Eupachycrinus germanus • †Eupachycrinus spartarius • †Euphemites • †Euphemites randolphensis • †Euryocrinus • †Euryocrinus tennesseensis ==F==

• †Favistella • †Favistella alveolata • †Favistina • †Favistina stellata • †Favosites'' • †Favosites arbor • †Favosites biloculi • †Favosites clausus • †Favosites delandi • †Favosites densitabulatus • †Favosites discoideus • †Favosites discus • †Favosites divergens • †Favosites favosus • †Favosites hamiltoniae • †Favosites hisingeri • †Favosites niagarensis • †Favosites placenta • †Favosites proximatus • †Favosites quercus • †Favosites rotundituba • †Favosites turbinatus • †Fenestella • †Fenestella multispinosa • †Fenestella rudis • †Fenestella serratula • †Fimbrispirifer • †Fimbrispirifer venustus • †Fistulipora • †Fistulipora incrustans • †Fistulipora perdensa • †Fistulipora spergenensis • †Flexicalymene'' • †Flexicalymene granulosa • †Flexicalymene griphus • †Flexicalymene meeki • †Florinites • †Florinites mediapudens • †Foerstephyllum • †Foerstephyllum vacuum • †Foerstia • †Foerstia ohioensis • †Follotites • †Follotites bighillensis – type locality for species • †Forbesiocrinus'' • †Forbesiocrinus multibrachiatus • †Forbesiocrinus wortheni • †Forbesiocrinus wortheri • †Furcitella • †Furcitella scofieldi – or unidentified comparable form • †Fusispira • †Fusispira sulcata ==G==

• †Galtiera • †Galtiera bostonensis • †Gastrioceras • †Gastrioceras magoffinense – type locality for species • †Gaulocrinus • †Gaulocrinus bordeni • †Gaulocrinus symmetros – type locality for species • †Gaulocrinus trantscholdi • †Gaulocrinus veryi • †Geniculograptus • †Geniculograptus typicalis • †Gilbertsocrinus'' • †Gilbertsocrinus tuberculosus – tentative report • †Gilbertsocrinus tuberosus • †Gilbertsocrinus typus – tentative report • †Girtyella • †Girtyella brevilobata • †Girtyella turgida • †Glabrocingulum • †Glabrocingulum ellenae – type locality for species • †Globozyga • †Globozyga littonana • †Globulocystites • †Glossina • †Glossina nebraskensis • †Glyptocrinus'' • †Glyptocrinus nodosus • †Glyptopleura • †Glyptopleura parvacostata • †Glyptopleura perbella • †Glyptopora • †Glyptopora sagenella • †Glyptorthis • †Glyptorthis insculpta • †Gnathodus • †Gnathodus bulbosus • †Gnathodus pseudosemiglaber • †Gnathodus semiglaber • †Gnathodus texanus • †Goniatites'' • †Goniocyclus • †Gorbyoceras • †Gorbyoceras tetreauense – or unidentified comparable form • †Gordonaster • †Gordonaster brassfieldensis • †Gosseletina • †Gosseletina johnsoni • †Gosseletina subglobosa • †Grammysia – tentative report • †Granasporites • †Granasporites medius • †Granatocrinus • †Granatocrinus granulatus • †Granulatisporites • †Granulatisporites granularis • †Granulatisporites granulatus • †Granulatisporites pallidus • †Granulatisporites verrucosus • †Graptodictya • †Gravicalymene • †Gravicalymene hagani • †Grewingikia • †Grewingikia rustica • †Grewingkia'' • †Grewingkia rusticum • †Grumosisporites • †Grumosisporites varioreticulatus • †Gyronema • †Gyronema pulchellum ==H==

• †Hadroblastus • †Hallia • †Hallia strigata – tentative report • †Hallopora • †Hallopora multitabulata • †Hallopora onealli • †Halysiocrinus • †Halysiocrinus cumberlandensis • †Halysiocrinus dactylus • †Halysiocrinus tunicatus • †Halysites'' • †Halysites louisvillensis – type locality for species • †Halysites meandrinus – tentative report • †Halysites nitidus • †Haplistion • †Haplistion armstrongi • †Hapsiphyllum • †Hapsiphyllum cassedayi • †Hapsiphyllum cassedeyi • †Hebertella • †Hebertella alveolata • †Hebertella frankfortensis • †Hebertella occidentalis • †Hebertella parkensis • †Hebertella parksensis • †Hebertella sinuata • †Helicelasma • †Helicelasma rusticum • †Helicotoma • †Helicotoma planulatoides – type locality for species • †Heliolites • †Heliolites megastoma • †Heliolites romingeri • †Heliolites spongiosus • †Heliolites spongodes • †Heliolites subtubulatus • †Heliophyllum'' • †Heliophyllum alternatum • †Heliophyllum ethelanum • †Heliophyllum gurleyi • †Heliophyllum halli • †Heliophyllum infundibulum • †Heliophyllum insigne • †Heliophyllum tenuiseptatum • †Helminthochiton • †Helminthochiton blacki • †Hemiphragma • †Hemiphragma tenuimurale – or unidentified comparable form • †Hemitrypa • †Hesperorthis • †Hesperorthis tricenaria • †Heterophrentis • †Heterophrentis concava • †Heterophrentis foliata • †Heterophrentis simplex • †Heterophrentis subcompressa • †Heterorthina • †Heterorthina macfarlani • †Heterotrypa • †Heterotrypa frondosa – or unidentified comparable form • †Heterotrypa trentonensis • †Hierogramma • †Hierogramma jeffreyi • †Hindia • †Hindia parva • †Hippocardia • †Hiscobeccus • †Hiscobeccus capax • †Histocrinus • †Histocrinus coreyi • †Histocrinus stellatus – tentative report • †Hoareicardia • †Hoareicardia cunea • †Holcocrinus • †Holcocrinus nodobrachiatus • †Holcocrinus spinobrachiatus • †Holopea'' • †Holopea insignis • †Holopea parvula – or unidentified comparable form • †Holtedahlina • †Holtedahlina sulcata • †Homaloneura – type locality for genus • †Homaloneura redbirdi – type locality for species • †Homotelus • †Homotrypa • †Homotrypa callosa • †Homotrypa similis • †Hormotoma • †Hormotoma gracilis • †Hudsonospongia • †Hustedia • †Hustedia miseri – or unidentified comparable form • †Hustedia mormoni – or unidentified comparable form • †Hybocrinus • †Hybocrinus tumidus • †Hybocystites • †Hybocystites problematicus • †Hylodecrinus • †Hylodecrinus asper • †Hylodecrinus bonoensis • †Hylodecrinus briareus – tentative report • †Hylodecrinus sculptus • †Hyolithes'' • †Hyolithes parviuscula • †Hypergonia • †Hypergonia marvinwelleri • †Hypselocrinus • †Hypselocrinus campanulus • †Hypselocrinus hoveyi ==I==

• †Ianthinopsis • †Ianthinopsis medialis • †Idiognathoides • †Idiognathoides ouachitensis • †Idiognathoides sinuatus • †Idiognathoides tuberculatus • †Imitoceras • †Iocrinus'' • †Ischyrodonta • †Ischyrodonta elongata – tentative report • †Ischyrodonta modioliformis • †Isochilina • †Isochilina ampla – or unidentified comparable form • †Isorophus • †Isorophus cincinnatiensis • †Isorthoceras • †Isorthoceras albersi – type locality for species • . †Isotelus'' • †Isotelus gigas • †Isotelus maximus ==J==

• †Jonesella • †Jonesella crepidiformis • †Jonesella obscura – or unidentified related form ==K==

• †Kalymma • †Kalymma auriculata • †Kalymma grandis • †Kalymma hippocrepis • †Kalymma lirata • †Kalymma minuta • †Kalymma resinosa • †Kaskia • †Kaskia chesterensis • †Kazakhstania • †Kazakhstania colubrella • †Kazakhstania mangeri • †Ketophyllum • †Ketophyllum intertrium • †Kinkaidia – type locality for genus • †Kinkaidia cancellata – type locality for species • †Kirkbya • †Kodonophyllum • †Kodonophyllum vadum • †Krausella ==L==

• †Labechia • †Labechia huronensis • †Laccoprimitia • †Laccoprimitia centralis • †Lambeophyllum – tentative report • †Lamprophyllum • †Lamprophyllum niagarense • †Lanecrinus • †Lanecrinus depressus • †Lanecrinus repertus • †Lanthanaster • †Lanthanaster intermedius • †Laphamoceras • †Laphamoceras scofieldi – or unidentified comparable form • †Lecocrinus • †Lecocrinus springeri • †Lekocrinus • †Lekocrinus planibrachiatus • †Leperditella • †Leperditella glabra • †Leperditia • †Leperditia caecigena • †Lepidocoleus • . Eli Heimans (1911). †Lepidodendron'' • †Lepidodendron aculeatum – or unidentified comparable form • †Lepidodendron baylense • †Lepidodendron boylensis • †Lepidodendron noralbaniense • †Lepidodendron volkmannianum • †Lepidophylloides • †Lepidophylloides longifolium • †Lepidostrobophyllum • †Lepidostrobophyllum lanceolatum • †Lepidostrobus • †Lepidostrobus fisheri • †Lepidostrobus kentuckiensis • †Lepidostrobus ornatus – tentative report • †Lepidostrobus shopfii – type locality for species • †Leptaena • †Leptaena gibbosa • †Leptaena kentuckiana – type locality for species • †Leptaena richmondensis • †Levizygopleura • †Levizygopleura inornata • †Lingulella'' • †Linoproductus • †Linoproductus cora • †Liospira • †Liospira decipens • †Liospira micula • †Liospira progne • †Liospira vitruvia • †Liroceras • †Listrochiton – type locality for genus • †Listrochiton weiri – type locality for species • Lithophaga – tentative report • †Litostrobus • †Litostrobus iowensis – or unidentified comparable form • †Lophophyllidium • †Lophophyllidium proliferum • †Lophospira • †Lophospira abnormis • †Lophospira decursa – or unidentified comparable form • †Lophospira milleri • †Lophospira obliqua • †Lophospira perangulata • †Lophospira type locality for species A – informal • †Lophotriletes • †Lophotriletes gibbosus • †Loxobucania • †Loxobucania lindsleyi – type locality for species • †Loxobucania nashvillensis • †Loxobucania singularis – type locality for species • †Loxonema • †Loxonema nitida • †Loxoplocus • †Lycopogenia • †Lycopogenia callicyrta • †Lycospora • †Lycospora granulata • †Lycospora micropapillata • †Lycospora pellucida • †Lycospora pusilla • †Lycospora rotunda • †Lycospora subjuga • †Lyrodesma • †Lyrodesma acuminatum – or unidentified comparable form • †Lyrodesma inornatum – tentative report ==M==

• †Maclurites • †Macrocrinus • †Macrocrinus konincki • †Macrocrinus mundulus • †Macrocrinus verneuillianus • †Macurdablastus • †Macurdablastus uniplicatus • †Maelonoceras • †Maelonoceras praematurum – or unidentified comparable form • †Magnuscrinus • †Magnuscrinus kammeri • †Magnuscrinus praegravis • †Marginatia • †Marginicinctus • †Marginifera • †Mariopteris • †Mariopteris nervosa • †Masonoceras – type locality for genus • †Masonoceras kentuckiense – type locality for species • †Maximites • †Maximites nassichuki – type locality for species • †Meekopora • †Meekopora eximia • †Meekospira • †Meekospira evansvillensis • †Meekospira minuta • †Meekospira mississippiensis • †Meekospira peracuta • †Megalaspidae – tentative report • †Megalaspidae pygidium – informal • †Megalomphala • †Megalomphala crassa • †Meniscocrinus • †Meristella'' • †Meristella nasuta • †Meristina – tentative report • †Meristoschisma • †Meristoschisma hudsoni • †Merocanites • †Merocrinus • †Mesocyridira • †Mesocyridira flagrocosta • †Mesocyridira washingtonensis • †Mesopalaeaster • †Mesopalaeaster finei • †Mesopilocrinus – tentative report • †Mesopilocrinus romingeri • †Mesotrypa • †Mespilocrinus • †Mespilocrinus kentuckyensis – type locality for species • †Mespilocrinus myllos • †Mespilocrinus romingeri • †Metablastus • †Metablastus bipyramidalis • †Metablastus wortheni • †Metacromyocrinus • †Metacromyocrinus oklahomenisis • †Metichthyocrinus • †Metichthyocrinus clarkensis • †Metichthyocrinus tiaraeformis • †Michelinia • †Michelinoceras • †Micnoceras – or unidentified comparable form • †Microceras – tentative report • †Micromphalus – type locality for genus • †Micromphalus turris – type locality for species • †Micropileus • †Micropileus variabilis • †Microzygia • †Microzygia lacunosa • †Milleratia • †Milleratia shideleri – or unidentified related form • †Mimella • †Mitrospermum • †Mitrospermum compressum • †Modiolodon • †Modiolodon oviformis • †Modiolopsis • †Modiolopsis modiolaris • †Monomuchites • †Monomuchites annularis – type locality for species • †Monomuchites costalis – or unidentified comparable form • †Monomuchites obliquum – type locality for species • †Monticulipora • †Mourlonia • †Muensteroceras • †Muensteroceras oweni • †Murchisonia • †Murinella – tentative report • †Murrayoceras • †Murrayoceras murrayi – or unidentified comparable form ==N==

• †Nannillaneus • †Neoicoceras • †Neoicoceras elkhornense – type locality for species • †Neospirifer'' • †Neospirifer cameratus • †Neozaphrentis • †Neuropteris • †Neuropteris gigantea • †Neuropteris heterophylla • †Neuropteris tenuifolia – or unidentified comparable form • †Nipterocrinus • †Nipterocrinus monroensis • †Nucleospira – tentative report • Nuculana • †Nuculana belliostriata • †Nucularca • †Nucularca cingulata • †Nucularca pectunculoides – or unidentified related form • †Nuculites • †Nuculites fabula • †Nuculopsis • †Nuculopsis girtyi • †Nuculopsis subrotunda • †Nyctopora – tentative report ==O==

• †Octonaria • †Octonaria bicava • †Odontophyllum • †Odontophyllum convergens • †Odontophyllum patellatum • †Odontophyllum tornatum • †Oepikina • †Oepikina minnesotensis • †Oliganisus • †Oncoceras • †Oncoceras major – type locality for species • †Oncoceras multicameratum • †Onniella • †Onychocrinus'' • †Onychocrinus grandis – type locality for species • †Onychocrinus pulaskiensis • †Orbiculoidea • †Orbiculoidea convexa • †Orbiculoidea manhattensis • †Orbitremites • †Orbitremites coralridgensis – type locality for species • †Orbitremites kentuckyensis – type locality for species • †Orbitremites oppelti • †Ordogeisonoceras • †Ordogeisonoceras amplicameratum – type locality for species • †Ormoceras • †Ormoceras ferecentricum – type locality for species • †Orthis • †Orthis testudinaria • †Orthoceras • †Orthodesma • †Orthonybyoceras • †Orthonychia • †Orthonychia chesterense • †Orthorhynchula • †Orthorhynchula linneyi • †Orthorhynchula sublinneyi • †Orthotetes • †Ovatia ==P==

• †Pachydictya • †Pachyglossella • †Pachylocrinus • †Pachylocrinus aequalis • †Palaeacis • †Palaeacis cuniformis • †Palaeocapulus • †Palaeocapulus acutirostre • †Palaeocaudina • †Palaeocaudina kansasensis • †Palaeoconcha • †Palaeoconcha obliqua • †Palaeocrinus • †Palaeocrinus avondalensis • †Palaeocrinus planobasalis • †Palaeoneila • †Palaeoneilo • †Palaeoneilo socialis • †Palaeopteria • †Palaeopteria parvula – or unidentified related form • †Palaeostylus – tentative report • †Palaeozygopleura • †Palaeozygopleura delphicola • †Paleofavosites • †Paleofavosites prolificus • †Paracyrtolites • †Paracyrtolites parvus – type locality for species • †Paracyrtolites subplanus • †Paradichocrinus • †Paradichocrinus liratus • †Paradichocrinus planus • †Paradichocrinus polydactylus • †Paradichocrinus ramus • †Paradichocrinus sculptus • †Paragassizocrinus • †Paragassizocrinus disculus – or unidentified comparable form • †Paragassizocrinus kendrickensis • †Paragassizocrinus turris – or unidentified comparable form • †Paraliospira – tentative report • †Paraliospira mundula – type locality for species • †Paraparchites • †Paraparchites subcircularis • †Parascytalocrinus • †Parascytalocrinus hamiltonensis • †Parascytalocrinus pentagonus • †Parisocrinus – tentative report • †Parvohallopora • †Parvohallopora onealli • †Parvohallopora ramosa • †Patellilabia • †Patellilabia chesterensis • †Patellostium • †Pattersonia • †Pattersonia aurita • †Pattersonia tuberosa • †Paupospira • †Paupospira bowdeni • †Paupospira burginensis • †Paupospira oweni • †Paupospira sumnerensis • †Paupospira tenuistriata • †Paupospira tropidophora • †Pecopteris • †Pecopteris plumosa – or unidentified comparable form • †Pelecocrinus • †Pelecocrinus type locality for species – informal • †Pellecrinus • †Pellecrinus obuncus • †Pentagonia • †Pentagonia biplicata • †Pentamerus • †Pentremites'' • †Pentremites abruptus • †Pentremites clavatus • †Pentremites conoideus • †Pentremites elegans • †Pentremites girtyi • †Pentremites godoni • †Pentremites halli • †Pentremites okawensis • †Pentremites platybasis • †Pentremites princetonensis – or unidentified comparable form • †Pentremites pyramidatus • †Pentremites pyriformis • †Pentremites spicatus • †Pentremites springeri • †Pentremites symmetricus • †Pentremites tulipaformis • †Pentremites tulipiaformis • †Pentremites welleri • †Perditocardinia • †Perditocardinia dubia • †Periastron • †Periastron perforatum • †Periastron reticulatum • †Periastron reticulum • †Pericyclus • †Peripristis • †Peripristis semicircularis • †Permophorus • †Peronopora • †Peronopora decipiens – or unidentified comparable form • †Peronopora granulifera – or unidentified comparable form • †Peronopora milleri • †Petrocrania • †Petrocrania scabiosa • †Petropegia • †Petropegia radiata – type locality for species • †Petropegia spinosa – type locality for species • †Phaneroceras • †Phaneroceras chesnuti – type locality for species • †Phanocrinus • †Phanocrinus parvaramus • †Phestia • †Phestia prolongata • †Phillibole • †Phillipsia • †Phillipsia bufo • †Phragmolites • †Phragmolites bellulus – type locality for species • †Phragmolites compressus – type locality for species • †Phymatophyllum • †Phymatophyllum nanum • †Phytokneme • †Phytokneme rhodona • †Pietzschia • †Pietzschia polyupsilon • †Pionodema • †Pionodema rectimarginata • †Pionomena • †Pionomena recens • †Pithodea • †Pithodea americana • †Pitys • †Pitys brownii • †Plaesiomys'' • †Plaesiomys subquadrata • †Plaesiomys subquatra • †Planalvus • †Planalvus densa • †Planisporites • †Planisporites granifer • †Planoendothyra • †Planoendothyra whitesidei – or unidentified comparable form • †Plasmopora • †Plasmopora elegans • †Plasmopora follis • †Platyaxum • †Platyaxum foliatum • †Platyaxum frondosum • †Platyaxum orthosoleniskum • †Platyaxum undosum • †Platyceras • †Platycrinites'' • †Platycrinites bonoensis • †Platycrinites georgii • †Platycrinites glyptus • †Platycrinites hemisphaericus • †Platycrinites hemisphericus – tentative report • †Platycrinites planus • †Platycrinites sculptus • †Platycrinites spinifer • †Platylichas • †Platylichas halli • †Platystrophia'' • †Platystrophia acutilirata • †Platystrophia amoena • †Platystrophia annieana • †Platystrophia auburnensis • †Platystrophia clarkesvillensis • †Platystrophia clarksvillensis • †Platystrophia colbiensis • †Platystrophia crassa • †Platystrophia cypha • †Platystrophia elegantula • †Platystrophia hopensis • †Platystrophia laticosta • †Platystrophia ponderosa • †Platystrophia sublaticosta • †Plectambonites • †Plectambonites plicatellus • †Plectocamara • †Plectoceras • †Plectoceras carletonense – or unidentified comparable form • †Plectorthis • †Plectorthis aequivalvis • †Plectorthis fissicosta • †Plectorthis plicatella • †Plectospira • †Pleurodictyum'' • †Pleurodictyum cylindricum • †Pleurodictyum insigne • †Pleurodictyum louisvillensis • †Pleurodictyum maximum • †Pleurodictyum planum • †Pleurodictyum wardi • Pleurotomaria • †Plicodendrocrinus • †Plicodendrocrinus casei • †Plicorachis • †Plicorachis danvillensis • †Pojetaconcha • †Pojetaconcha cressmani • †Pojetoceras – type locality for genus • †Pojetoceras floweri – type locality for species • †Polaricyclus • †Polaricyclus ballardensis • †Polaricyclus bordenensis – type locality for species • †Polaricyclus conkini – type locality for species • †Polygnathus • †Polygnathus communis • †Polygrammoceras • †Polypora • †Polypora simulatrix • †Portlockiella – type locality for genus • †Portlockiella kentuckyensis – type locality for species • †Poteriocrinites • †Poteriocrinites horowitzi • †Prasopora • †Prasopora falesi • †Prasopora hospitalis • †Prasopora simulatrix • †Primaspis • †Prismopora • †Prismopora serrulata • †Productus • †Productus cestriensis • †Proetus'' • †Prolecanites • †Prolecanites lyoni • †Propora • †Propora eminula • †Propora glabra • †Propora papillata • †Propora puella • †Protaraea • †Protaraea richmondensis • †Proteoceras • †Proteoceras tyronensis – type locality for species • †Protocyathactis • †Protocyathactis cybaeus – or unidentified comparable form • †Protosalvinia • †Protosalvinia arnoldii • †Protosalvinia furcata • †Protosalvinia rarenna • †Protosalvinia ravenna • †Prototaxites'' • †Prototaxites ortoni • †Protozyga – tentative report • †Pseudobigalea • †Pseudobigalea crista • †Pseudoconocardium • †Pseudolingula • †Pseudomulceodens • †Pseudomulceodens cancellatus • †Pseudopolygnathus • †Pseudopolygnathus multistriatus • †Pseudorthoceras • †Pseudorthoceras knoxense • †Pseudozygopleura • †Pseudozygopleura deloi – or unidentified comparable form • †Pseudozygopleura lanceolatus • †Pseudozygopleura macra – or unidentified comparable form • †Pseudozygopleura scitula • †Pseudozygopleura semicostata • †Pterinea • †Pterinea demissa • †Pterotheca • †Pterotheca angusta • †Pterotheca expansa • †Pterotocrinus • †Pterotocrinus acutus • †Pterotocrinus armatus • †Pterotocrinus bifurcatus • †Pterotocrinus capitalis • †Pterotocrinus depressus • †Pterotocrinus lingulaformis • †Pterotocrinus spatulatus • †Ptychocrinus • †Punctatisporites • †Punctatisporites irrasus • †Punctatisporites minutus • †Punctospirifer • †Punctospirifer transversus • †Pustulatisporites • †Pustulatisporites crenatus • †Pycnactis • †Pycnactis tenuiseptatus ==Q==

• †Quadratia • †Quepora • †Quepora huronensis • †Quepora louisvillensis – type locality for species ==R==

• †Rafinesquina • †Rafinesquina alternata • †Rafinesquina ponderosa • †Rafinesquina trentonensis • †Rafinesquina winchesterensis • †Raistrickia • †Raistrickia breveminens • †Raistrickia crocea • †Raphistoma • †Raphistomina • †Raphistomina lapicida • †Rectifenestella • †Rectifenestella tenax • †Reinschospora • †Reinschospora triangularis • †Renisporites • †Renisporites confossus • †Resserella • †Reticulariina • †Reticulariina salemensis • †Reticulariina spinosa • †Reticulatisporites • †Reticulatisporites muricatus • †Retispira • †Retispira ornatus • †Rhabdocyclus • †Rhabdocyclus scutellus • †Rhegmaphyllum • †Rhegmaphyllum daytonensis • †Rhineoderma • †Rhineoderma wortheni • †Rhinidictya • †Rhipidomella • †Rhipidomella dubia • †Rhizophyllum • †Rhizophyllum attenuatum • †Rhizophyllum corniculum • †Rhodocrinites • †Rhodocrinites barrisi • †Rhombopora • †Rhombopora incrassata • †Rhombotrypa • †Rhombotrypa quadrata • †Rhynchopora • †Rhynchopora beecheri • †Rhynchotrema • †Rhynchotrema dentatum • †Rhynchotrema increbescens • †Rhynchotrema kentuckiensis • †Rhytiodentalium • †Rhytiodentalium kentuckyensis • †Rhytiophora • †Romingerella • †Romingerella major • †Romingeria • †Romingeria cummunata • †Romingeria umbellifera • †Romingeria vannula • Rostricellula • †Rostricellula minuta • †Ruedemannia • †Ruedemannia lirata • †Rugomena • †Rugomena vetusta • †Rugosochonetes ==S==

• †Saffordophyllum • †Saffordophyllum floweri • †Salpingostoma • †Salpingostoma kentuckyense • †Salterospira • †Salterospira chesterensis • †Sarocrinus • †Sarocrinus varsoviensis • †Savagellites – tentative report • †Savagellites lindahli • †Savitrisporites • †Savitrisporites nux • †Scalites • †Scalites peracutum • †Scenophyllum • †Scenophyllum coniferum – tentative report • †Schizocrania • †Schizodus • †Schizophaulactis • †Schizophaulactis densiseptatus • †Schlotheimophyllum • †Schlotheimophyllum fulcratum • †Schlotheimophyllum ipomaea • †Schuchertella • †Schuchertella costatula • †Schuchertella minuta • †Scytalocrinus'' • †Scytalocrinus decadactylus • †Scytalocrinus robustus • †Seminula • †Seminula subtilita • †Septimyalina • †Setigerites • †Setigerites setiger • †Sevillea • †Sevillea trinucleata – or unidentified related form • †Siderella • †Siderella scotti • †Similodonta • †Similodonta hermitagensis – or unidentified related form • †Sinuites • †Sinuites cancellatus • †Sinuites globularis • †Sinuites granistriatus • †Sinuites obesa • †Sinuites pervoluta • †Sinuites planodorsatus – type locality for species • †Sinuitina • †Sinuspores • †Sinuspores sinuatus • †Siphonophrentis • †Siphonophrentis halli • †Soleniscus • †Soleniscus gracilis • †Soleniscus texanus • †Solenopora'' • †Sowerbyella • †Sowerbyella curdsvillensis • †Sowerbyella grierensis – type locality for species • †Sowerbyella rugosa • †Sowerbyites • †Spackmanites • †Spackmanites habibii • †Sphenophyllum • †Sphenophyllum cuneifolium • †Sphenopteris'' • †Sphenopteris amoena • †Sphenopteris obtusiloba • †Sphenosphaera • †Sphenosphaera bilineatus – type locality for species • †Sphenosphaera burginensis • †Sphenosphaera capax • †Sphenosphaera mohri • †Sphenosphaera recurvus • †Sphenosphaera rogersensis • †Sphenosphaera troosti • †Sphenothallus • †Spicuchelodes • †Spicuchelodes cressmani • †Spirifer'' • †Spirifer bifurcatus • †Spirifer increbescens • †Spirifer keokuk • †Spirifer lateralis • †Spirifer rockymontanus • †Spirifer subaequalis • †Spirifer tenuicostatus • †Spirifer washingtonensis • †Spiriferellina – tentative report • †Spiriferina • †Spiriferina subelliptica • †Sporangites • †Sporangites huronensis • †Springericrinus • †Springericrinus magniventrus • †Stauropteris • †Stauropteris biseriata • †Stegacanthia • †Stegocoelia • †Stegocoelia kentuckiensis • †Steloxylon • †Steloxylon irvingense • †Steloxylon santaecrucis • †Stenaster'' • †Stenaster obtusus – or unidentified comparable form • †Stenomyelon • †Stenomyelon muratum • †Stenopora • †Stenoscisma • †Stenoscisma explanatum • †Stephanozyga • †Stephanozyga nodosa • †Stereolasma • †Stereolasma gallicalcar • †Stereolasma rectum • †Stereopteris • †Stereopteris annularis • †Stictopora • †Stictopora neglecta • rhizome system †Stigmaria'' • †Stigmaria ficoides • †Stigmaria wedingtonensis • †Stigmatella • †Stigmatella conica – or unidentified comparable form • †Stigmatella multispinosa • †Stinocrinus • †Stinocrinus granulosus • Stomatopora • †Stomatopora arachnoidea • †Straparollus • †Straparollus spergenensis • †Streblochondria • †Streblopteria • †Streptelasma • †Streptelasma angulatum • †Streptelasma divaricans • †Streptelasma obliquum • †Streptelasma scoleciforme • †Streptelasma subvesiculare – tentative report • †Striatopora • †Striatopora huronensis • †Strobeus • †Strobeus paludinaeformis – or unidentified comparable form • †Stromatocerium • †Stromatocerium huronense • †Strombodes • †Strombodes shumardi • †Strophomena'' • †Strophomena concordensis • †Strophomena costellata – or unidentified comparable form • †Strophomena maysvillensis • †Strophomena musculosa – or unidentified comparable form • †Strophomena neglecta • †Strophomena planoconvexa • †Strophomena planumbona • †Strophomena sinuata • †Strophomena sulcata • †Strophostylus • †Strophostylus chesterensis • †Strophostylus wortheni • †Subulites • †Subulites parvus – type locality for species • †Sulcoretepora • †Sulcoretepora lineata • †Synbathocrinus • †Synbathocrinus angularis • †Synbathocrinus dentatus • †Synbathocrinus robustus • †Synbathocrinus swallovi • †Syringolites • †Syringolites vesiculosus • †Syringopora'' • †Syringopora hisingeri • †Syringopora monroensis • †Syringopora perelegans ==T==

• †Tabulipora • †Tabulipora cestriensis • †Tabulipora penerudis • †Tabulipora ramosa • †Talarocrinus • †Talarocrinus simplex • †Tancrediopsis • †Tancrediopsis cuneata • †Tarphophragma • †Tarphophragma multitabulata • (right) †Taxocrinus'' • †Taxocrinus colletti • †Taxocrinus pustulosus • †Technophorus • †Technophorus cincinnatiense • †Technophorus faberi • †Technophorus punctostriatus • †Teichochilina – tentative report • †Temnodiscus • †Temnodiscus nitidula • †Tetracamera • †Tetracamera arctirostrata • †Tetracamera grosvenori • †Tetracamera mutata • †Tetracamera subcuneata • †Tetradium • †Tetradium approximatum • †Tetradium cellulosum – or unidentified comparable form • †Tetranota • †Tetranota obsoleta • †Thamniscus • †Thamnopora • †Thamnopora limitaris • †Thamnoptychia • †Thamnoptychia alternans • †Thamnoptychia vermiculosa • †Thecia • †Thecia minor • †Theelia • †Theelia hexacneme – type locality for species • †Thinocrinus • †Thinocrinus lowei • †Thuroholia • †Thuroholia croneisi • †Thuroholia floydensis – type locality for species • †Thuroholia irregularis – type locality for species • †Thuroholia wanlessi – type locality for species • †Toichochilina • †Torynifer • †Torynifer pseudolineatus • †Torynifer setigera • †Trematis • †Trepospira • †Trepospira depressa • †Trepospira illinoisensis • †Treptoceras'' • †Treptoceras cincinnatiensis • †Treptoceras duseri • †Treptoceras transversum • †Triarthrus • †Triarthrus eatoni • †Triboloporus • †Triboloporus cryptoplicatus • †Triendoceras – tentative report • †Triendoceras davisi – type locality for species • †Trigonocarpus • †Trigonodictya • †Trigonodictya acuta • †Trocholites • †Trocholites faberi • †Trochonema • †Trochonema canadensis • †Trochonema subcrassum • †Trochonemella • †Trochonemella notablis • †Trochophyllum • †Tropidodiscus • †Tryplasma • †Tryplasma cylindrica • †Tryplasma mitella • †Tryplasma prava • †Tryplasma radicula ==U==