List of the Paleozoic life of Montana

• †Acanthocrania • †Acanthocrania spinosa – type locality for species • †Acanthograptus • †Acanthopecten • †Acanthopecten coloradoensis • †Achistrum • †Achistrum coloculum • †Achistrum gamma • †Achistrum monochordata • †Acrothele • †Acrothele colleni – type locality for species • †Acrothele pentagonensis • †Acrotreta • †Acrotreta attica – or unidentified comparable form • †Actinopteria • †Actinopteria subdecussata – or unidentified comparable form • †Adetognathus • †Adetognathus gigantus • †Adetognathus lautus • †Adetognathus spathus • †Aenigmacaris – type locality for genus • †Aenigmacaris cornigerum – type locality for species • †Aesopichthys – type locality for genus • †Aesopichthys erinaceus – type locality for species • †Albertella – type locality for genus • †Albertella hellena – type locality for species • †Allanaria • †Allenypterus'' – type locality for genus • †Allenypterus montanus – type locality for species • †Allorisma • †Ambocoelia • †Ambocoelia gregaria • †Ambothyris • †Ameura – tentative report • Ammodiscus • †Amphiscapha • †Amplexizaphrentis • †Amplexizaphrentis spinulosus – or unidentified comparable form • †Amplexus • †Angulotreta • †Angyomphalus – tentative report • †Angyomphalus excavatus – type locality for species • †Anisotrypa • †Ankhelasma • †Annuliconcha • †Anoria • †Anthracospirifer • †Anthracospirifer curvilateralis – type locality for species • †Anthracospirifer occidus • †Anthracospirifer shoshonensis • †Anthracospirifer welleri • †Antiquatonia • †Antiquatonia coloradoensis • †Antiquatonia pernodosa – type locality for species • †Apatokephalus • †Apatokephalus canadensis – or unidentified comparable form • †Aphelaeceras • †Aphelaspis • †Apheoorthis • †Apheoorthis ocha • †Aporthophyla • †Apotocardium • †Apotocardium latifasciatum • †Arceodomus • †Arceodomus glabrata – type locality for species • †Archisymplectes • †Archisymplectes rhothon • †Arctospirifer • †Arctospirifer allegheniensis – or unidentified comparable form • †Asaphellus • †Astartella • †Astreptoscolex • †Astreptoscolex anasillosus • †Athyris • †Atrypa • †Aulacoparia • †Aulacoparia impressa – type locality for species • †Aulacoparia wibauxensis • †Aulopora • †Aviculopecten'' • †Aviculopecten kaibabensis – or unidentified comparable form • †Aviculopinna • †Avonia • †Avonia arcuata – tentative report • †Axiodeaneia ==B==

• †Babylonites • †Bactrites • †Bactrites nitidus • Bairdia • †Barytichisma • †Barytichisma amsdenense • †Basilicorhynchus • †Basilicorhynchus ventricosum • †Bathyuriscus • †Bathyuriscus formosus – or unidentified comparable form • †Beagiascus – type locality for genus • †Beagiascus pulcherrimus – type locality for species • †Beecheria • †Beecheria paraplicata – type locality for species • †Belantsea'' – type locality for genus • †Belantsea montana – type locality for species • †Bellefontia • †Bellerophon • †Bellerophon deflectus • †Bifungites • †Bifungites bisagitta • †Billingsella • †Blountia • †Bolaspis • †Brachythyris • †Bradyphyllum • †Bradyphyllum clavigerum – type locality for species • †Bryantodus • †Bryantodus crassidens • †Bryantodus scitulus • †Bryograptus • †Bucanella • †Bulimorpha • †Bulimorpha elegans • †Burnetiella • †Buxtonia • †Buxtonia arizonensis • †Bynumiella – tentative report • †Bynumina ==C==

• †Cactocrinus – tentative report • †Caenanoplia – tentative report • †Caenanoplia logani – or unidentified related form • †Callograptus • †Camaraspis • †Camarophorella • †Camarophorella buckleyi – or unidentified comparable form • †Camarotoechia • †Camarotoechia C. chouteauensis – or unidentified comparable form • †Camarotoechia C. inaequa Shaw – or unidentified comparable form • †Camarotoechia contracta • †Camarotoechia crenistria • †Camarotoechia elegantula • †Camarotoechia herrickana – or unidentified related form • †Camarotoechia metallica • †Camarotoechia mettalica – or unidentified comparable form • †Camarotoechia mutata • †Camarotoechia tuta • †Canadiphyllum • †Caninia • †Caninia montanensis – type locality for species • †Carbosesostris – type locality for genus • †Carbosesostris megaliphagon – type locality for species • †Caridosuctor'' – type locality for genus • †Caridosuctor populosum – type locality for species • †Carinoclymenia • †Cavusgnathus • †Cavusgnathus alta • †Cavusgnathus naviculus • †Ceratopea • †Ceratopea sinclairensis • †Ceratreta • †Cheilocephalus • †Cheilocephalus brevilobus • †Cheiloceras • †Cheiloceras simplex • †Chilotrypa – tentative report • †Chonetes • †Chonetes geniculatus • †Chonetes loganensis • †Chonetes logani • †Chonetes ornatus • †Cladodus'' • †Clavallus • †Clavallus spicaudina • †Cleiothyridina • †Cleiothyridina atrypoides • †Cleiothyridina ciriacksi – type locality for species • †Cleiothyridina coloradoensis – or unidentified comparable form • †Cleiothyridina devonica • †Cleiothyridina hirsuta • †Cleiothyridina incrassata – or unidentified related form • †Cleiothyridina sublamellosa • †Cleiothyridnia • †Cleiothyridnia sublamellosa • †Cleistopora • †Cleistopora placenta • †Clelandia • †Cliffia • †Clionolithes • †Clonograptus • †Composita'' • †Composita humilis • †Composita laevis • †Composita lateralis – or unidentified comparable form • †Composita madisonensis • †Composita ovata • †Composita ozarkana • †Composita sulcata • †Conularia • †Cornulites'' • †Cornulites carbonarius • †Costatoblastus – type locality for genus • †Costatoblastus sappingtonensis – type locality for species • †Cranaena – tentative report • †Cranaena circularis – type locality for species • †Crania • †Crania blairi – or unidentified comparable form • †Crania rowleyi • †Croixana • †Crurithyris • †Crurithyris minuta • †Crurithyris parva – or unidentified comparable form • †Cryptonella – tentative report • †Cryptonella pinyonensis – or unidentified comparable form • †Crytina • †Crytina acutirostris • †Culmicrinus • †Culmicrinus jeffersonensis – or unidentified comparable form • †Cupularostrum • †Cupularostrum contracta • †Cyathaxonia • †Cypricardella • †Cyranorhis – type locality for genus • †Cyranorhis bergeraci – type locality for species • †Cyrtina • †Cyrtina acutirostris – or unidentified comparable form • †Cyrtiopsis – tentative report • †Cyrtodiscus • †Cyrtorostra • †Cyrtorostra varicostata • †Cyrtospirifer'' • †Cyrtospirifer animaensis • †Cyrtospirifer animasensis – or unidentified comparable form • †Cyrtospirifer bertrandi – type locality for species • †Cyrtospirifer gallatinensis • †Cyrtospirifer hornellensis • †Cyrtospirifer monticola • †Cyrtospirifer perryi – type locality for species • †Cyrtospirifer thalattodoxa – tentative report • †Cyrtospirifer whitneyi • †Cystodictya ==D==

• †Damocles – type locality for genus • †Damocles serratus – type locality for species • †Deadwoodia • †Debeerius – type locality for genus • †Debeerius ellefseni – type locality for species • †Dellea • †Delphyodontos'' – type locality for genus • †Delphyodontos dacriformes – type locality for species • †Delthyris – tentative report • †Dendrograptus • †Dentinella • †Derbyia • †Deuteronectanebos – type locality for genus • †Deuteronectanebos papillorum – type locality for species • †Diaphelasma • †Diaphragmus • †Diaphragmus fasciculatus • †Dicellomus • †Dicellomus occidentalis • †Dictyclostus • †Dictyclostus richardsi • †Dictyoclostus • †Dictyoclostus ferglenensis – or unidentified comparable form • †Dictyoclostus gallatinensis • †Dictyoclostus inflatus • †Dictyoclostus richardsi • †Dictyoclosyus • †Dictyoclosyus inflatus • †Dictyonema • †Dielasma • †Dikelocephalus'' • †Dimegelasma • †Dinotocrinus • †Discoserra – type locality for genus • †Discoserra pectinodon – type locality for species • †Distomodus • †Dithyrocaris • †Dithyrocaris rolfei – type locality for species • †Ditodus • †Drepanodus • †Drepanodus subarcuatus • †Drumaspis • †Dysoristus ==E==

• †Echinaria • †Echinauris – or unidentified related form • †Echinochimaera – type locality for genus • †Echinochimaera meltoni – type locality for species • †Echinochimaera snyderi – type locality for species • †Echinocoelia • †Echinocoelia youngstownensis • †Echinoconchus • †Echinoconchus alternatus – or unidentified related form • †Echinoconchus angustus – type locality for species • †Echinocrinus • †Edmondia • †Edmondia E. marionensis – or unidentified comparable form • †Edmondia stuchburia • †Ehmania – tentative report • †Eleutherokomma • †Eleutherokomma raymondi • †Elrathiella – or unidentified comparable form • †Elrathina • †Elvinia • †Elvinia roemeria • †Emanuella • †Enygmophyllum • Eocaudina • †Eocaudina columcanthus • †Eocaudina marginata • †Eocaudina subhexagona • †Eolissochonetes • †Eolissochonetes pseudoliratus – type locality for species • †Eoorthis • †Eoorthis remnicha • †Euconia • †Euconia umbilicata • †Euloma • †Eumetria • †Eumetria acuticosta • †Eumetria vera – or unidentified comparable form • †Eumetria verneuilana – or unidentified comparable form • †Eumetria verneuiliana – or unidentified comparable form • †Euphemites • †Euphemites crenulatus • †Euphemites sacajawensis • †Euphemitopsis • †Euphemitopsis paucinodosus – or unidentified comparable form • †Euphemitopsis subpapillosa • †Exochops ==F==

• †Faberophyllum • †Falcatus'' • †Falcatus falcatus • †Fasciculiamplexus • †Fasciculophyllum • †Favosites • †Fenestella • †Fenestralia – tentative report • †Fenestrella • †Finestrella – tentative report • †Floweria • †Floweria chemungensis – or unidentified comparable form • †Furcaster ==G==

• †Gattendorfia • †Gattendorfia costata • †Gennaeocrinus – or unidentified comparable form • †Geragnostus'' • †Girtyella • †Girtyella indianensis • †Girtyella woodsworthi – or unidentified comparable form • †Girtyella woodworthi • †Glabretina – type locality for genus • †Glabretina andrewsi – type locality for species • †Glabrocingulum – tentative report • †Glaphyraspis • †Glaphyraspis parva • †Glossopleura • †Glyphaspis • †Glyphaspis robusta • †Grammysia • †Grammysia G. welleri – or unidentified comparable form • †Graphiadactyllis • †Guizhoupecten ==H==

• †Hadronector – type locality for genus • †Hadronector donbairdi – type locality for species • †Hallograptus • †Hamburgia – tentative report • †Hamburgia walteri – or unidentified comparable form • †Hammatocyclus • †Haplistion • †Hapsiphyllum • †Hardistiella – type locality for genus • †Hardistiella montanensis – type locality for species • †Harpagofututor'' – type locality for genus • †Harpagofututor volsellorhinus – type locality for species • †Helicoprion • †Heteralosia • †Heteralosia beecheri • †Heteropecten • †Heteropecten vanvleeti – or unidentified comparable form • †Heteropetalus – type locality for genus • †Heteropetalus elegantulus – type locality for species • †Homalophyllites • †Homotreta • †Homotreta interrupta • †Hormotoma • †Horridonia – report made of unidentified related form or using admittedly obsolete nomenclature • †Housia • †Housia canadensis • †Huenella • †Hunanospirifer • †Hunanospirifer animasensis • †Hunanospirifer gallatinensis – tentative report • †Hunanospirifer monticola • †Hustedia • †Hustedia texana • †Hyolithes'' • Hyperammina • †Hypothyris • †Hypseloconus • †Hypseloconus elongatus • †Hypseloconus simplex • †Hystriculina • †Hystriculina wabashensis – or unidentified comparable form • †Hystricurus ==I==

• †Icodonta • †Icodonta nixonensis – or unidentified comparable form • †Icodonta typica • †Idahoia • †Imbrexia • †Imbricatia • †Imitoceras • †Inflatia • †Inflatia inflata – or unidentified comparable form • †Iphidella • †Iphidella hexagona • †Iphidella nyssa • †Irvingella ==J==

• (top and left) †Janassa'' • †Janassa clarki – type locality for species • †Joanellia • †Joanellia lundi • †Juresania ==K==

• †Kainella • †Kainella flagricauda • †Kallimorphocrinus • †Kalops • †Kalops diophrys • †Kalops monophrys • †Katabuporhynchus • †Katabuporhynchus mesacostalis • †Kayseraspis • †Kendallina'' • †Kindbladia • †Komiella • †Komiella ostiolata • †Koninkophyllum – tentative report • †Kootenia • †Kyphocephalus ==L==

• †Labiostria • †Laminatia • †Laminatia laminata – tentative report • †Langepis • †Langepis campbelli • †Lecanospira • †Leioestheria • †Leioproductus • †Leioproductus coloradensis • †Leioproductus montanensis – type locality for species • †Leioproductus plicatus • †Leiorhynchus • †Leiorhynchus carboniferus • †Leiorhynchus dunbarense – or unidentified comparable form • †Leiorhynchus gibbosa – or unidentified comparable form • †Leiorhynchus jeffersonense • †Leiorhynchus lesleyi • †Leiorhynchus seversoni • †Leiorhynchus ventricosa • †Leiorhynchus ventricosta – or unidentified related form • †Lepidasterella • †Lepidasterella montanensis – type locality for species • †Leptaena • †Leptagonia • †Leptagonia analoga • †Leptalosia • †Leptalosia scintilla – tentative report • †Leptella • †Leptodesma • †Leptodus • †Leptotrypella • †Liardiphyllum • †Licnocephala • †Limipecten • †Limipecten grandicostatus – or unidentified comparable form • †Limipecten otterensis – type locality for species • †Lineagruan – type locality for genus • †Lineagruan judithi – type locality for species • †Lineagruan snowyi – type locality for species • †Lingula • †Lingula carbonaria – or unidentified comparable form • †Lingulella'' • †Lingulella ibicus • †Lingulepis • †Linnarssonella • †Linnarssonella girtyi • †Linnarssonia • †Linnarssonia perplexa • †Linnarssonia rotunda • †Linoproductus • †Linoproductus croneisi • †Linoproductus duodenaris – type locality for species • †Linoproductus nodosus • †Linoproductus ovatus • †Lioestheria • †Lithostrotion • †Lithostrotionella • †Lithostrotionella microstylum Grity • Lituotuba – tentative report • †Lloydia • †Lloydia incomperta • †Lloydia manitouensis – or unidentified comparable form • †Lochmocercus – type locality for genus • †Lochmocercus aciculodontus – type locality for species • †Lonchodina • †Lonchodina projecta • †Longiclava – type locality for genus • †Longiclava tumida – type locality for species • †Loxonema • †Loxonema approximatum • †Lyroschizodus • †Lyroschizodus oklahomensis – or unidentified comparable form ==M==

• †Macluritella • †Macluritella stantoni – or unidentified related form • †Macronoda • †Maladia • †Marginifera • †Marginovatia • †Marginovatia duodenaria • †Martinia • †Maryvillia • †Maryvillia omega – type locality for species • †Mastigograptus • †Megalaspidella • †Megistaspis'' • †Megistocrinus – or unidentified comparable form • †Metriophyllum • †Michelinia • †Microantyx • †Microantyx botoni • †Microantyx mudgei • †Microantyx permiana • †Micromitra • †Micromitra sculptilis • †Micromitra subdita • †Millerella • †Monocheilus • †Mooreoceras – tentative report • †Multivasculatus • †Myalina • †Myalina meeki • †Myalina parallela – type locality for species ==N==

• †Nanorthis • †Nanorthis putilla • †Naticopsis'' • †Naticopsis remex – or unidentified comparable form • †Nemavermes • †Nemavermes mackeei • †Neoprioniodus • †Neospirifer • †Neospirifer praenuntius – type locality for species • †Neospirifer striatus • †Neozaphrentis • †Neozaphrentis parasitica • †Netsepoye – type locality for genus • †Netsepoye hawesi – type locality for species • †Nickelsopora • †Nisusia • †Nisusia deissi • †Nisusia lickensis • †Nisusia montanaensis • †Nix – type locality for genus • †Nix angulata – type locality for species • †Nucleospira • †Nucleospira obesa • Nuculana • †Nuculana biangulata – type locality for species • †Nuculopsis • †Nuculopsis poposiensis ==O==

• †Obolus • †Ogyginus'' • †Olenopsis • †Orbiculoidea • †Orbiculoidea interlineata – type locality for species • †Orbiculoidea missouriensis – or unidentified comparable form • †Orbiculoidea utahensis • †Orbinaria • †Orthonychia • †Orthotetes • †Orygmaspis • †Ovatia • †Ovatia croneisi • †Oxinoxis • †Ozarkodina • †Ozarkodina deflecta • †Ozarkodina elongata • †Ozarkodina macilenta • †Ozarkodina modesta • †Ozarkodina regularis ==P==

• †Paladin – tentative report • †Palaeoneilo • †Palaeoneilo elongata • †Palaeonucula • †Palaeonucula montanensis • †Paleolimulus • †Paleolimulus longispinus • †Papilionichthys – type locality for genus • †Papilionichthys stahlae – type locality for species • †Parabolinoides • †Paracyclus • †Paraparchites • †Paraphorhynchus • †Paraphorhynchus ashboughense – type locality for species • †Paraphorhynchus jeffersonense • †Paraphorhynchus madisonense • †Paraphorhynchus threeforkensis – type locality for species • †Paraphorhynchus threeforksense • †Paratarrasius – type locality for genus • †Paratarrasius hibbardi – type locality for species • †Pegmatrea – or unidentified related form • †Pelagiella • †Peltabellia • †Peltabellia willistoni – type locality for species • †Pennireptepora • †Pentremites'' • †Perditocardinia • †Pericyclus • †Pericyclus rockymontanus – type locality for species • †Permophorus • †Permophorus albequus • †Pernoceras • †Pernoceras crebriseptum • †Peronopsis • †Peronopsis scutalis – or unidentified comparable form • †Petalorhynchus • †Petalorhynchus beargulchensis – type locality for species • †Petrocrania • †Petrocrania modesta – or unidentified comparable form • †Phestia • †Phestia rugodorsata – type locality for species • †Phiops – type locality for genus • †Phiops aciculorum – type locality for species • †Pinctus • †Pinna • †Pinna ludlovi • †Plagioglypta • †Platyceras • †Platyceras niagarensis – or unidentified comparable form • †Platyclymenia'' • †Platyclymenia montana • †Platycrinus • †Platycrinus bozemanensis • †Platycrinus incomptus • †Plectodiscus • †Plectodiscus latinautilus • †Plectospira – tentative report • †Plectospira problematica – or unidentified comparable form • †Plethopeltis • †Plethospira • †Pleuroclymenia • †Pleuroclymenia americana • †Polidevcia • †Polidevcia obesa • †Polyosteorhynchus – type locality for genus • †Polyosteorhynchus simplex – type locality for species • †Polypora • †Polyrhizodus • †Polyrhizodus digitatus • †Praepatokephalus • †Presbynileus • †Proceramala – type locality for genus • †Proceramala montanensis – type locality for species • †Procostatoria • †Procostatoria sexradiata • †Prodentalium • †Prodentalium canna • †Productella • †Productella coloradensis • †Productella coloradoense – or unidentified comparable form • †Productella coloradoensis • †Productella plicata – or unidentified comparable form • †Productella spinerga – or unidentified comparable form • †Productus • †Proetus'' • †Prographularia • †Prographularia groenlandica – or unidentified comparable form • †Promesus • †Proplina • †Proplina loganensis – type locality for species • †Protopliomerops • †Prototreta • †Prototreta flabellata • †Prototreta subcircularis • †Prototreta trapeza • †Psalikilus • †Psalikilus paraspinosum • †Psammodus • †Pseudagnostus • †Pseudoclelandia • †Pseudodicellomus • †Pseudogastrioceras • †Pseudomonotis • †Pseudopermophorus • †Pseudopermophorus annettae – type locality for species • †Pseudozygopleura • †Pseudozygopleura scitula – or unidentified related form • †Pterocephalia • †Ptilograptus • †Ptychagnostus • †Ptychagnostus atavus • †Ptychaspis • †Ptychomalotoechia • †Ptychomalotoechia sobrina • †Ptychoparia'' • †Ptyocephalus • †Ptyocephalus montanensis – type locality for species • †Pugnoides • †Pugnoides parvulus • †Punctolira • †Punctolira punctolira • †Punctospirifer • †Punctospirifer transversus • †Pustula ==R==

• †Rachistognathus • †Rainerichthys – type locality for genus • †Rainerichthys zangerli – type locality for species • †Ramesses – type locality for genus • †Ramesses magnus – type locality for species • †Ramiporalia • †Raphistomina • †Renalcis • †Reticularia • †Reticulariina • †Reticulariina browni • †Reticulariina spinosa • †Reticularina • †Reticularina spinosa • †Retispira • †Reubenella – type locality for genus • †Reubenella rex – type locality for species • †Rhabdomeson • †Rhineoderma • †Rhipidomella • †Rhipidomella missouriensis • †Rhipidomella newalbanensis – or unidentified comparable form • †Rhombopora • †Rhynchopora • †Rhynchotreta – tentative report • †Rhytiophora • †Rhytiophora arcuatus • †Rhytiopora • †Rhytiopora arcuatus – tentative report • †Rota • †Rota martini • †Rotiphyllum • †Rugoclostus • †Rylstonia • †Rystonia • †Rystonia R. teres (Grity) – or unidentified comparable form ==S==

• Saccammina • †Sanguinolites • †Sanguinolites altidorsata – type locality for species • †Saratogia • †Saukia • †Scalarituba • †Scalarituba missouriensis • †Scapallina • †Scapallina phosphoriensis • †Scaphellina • †Scaphellina concinna • †Scaphiomanon – type locality for genus • †Scaphiomanon hadros – type locality for species • †Scaphiomanon nodulosum – type locality for species • †Schallwienella • †Schellwienella • †Schellwienella inflata • †Schizambon • †Schizodus • †Schizodus bifidus – type locality for species • †Schizopea • †Schizophoria • †Schizophoria australis • †Schizophoria compacta • †Schizophoria depressa – type locality for species • †Schizophoria striatula • †Schizophoria strophodonta • †Schuchertalla • †Schuchertella • †Schuchertella arctostriata • †Schuchertella extensus – or unidentified comparable form • †Schuchertella inflata • †Schuchertella lens • †Schuchertella nodocostata • †Scolopodus • †Scolopodus quadraplicatus • †Sentosia • †Sentosia spinigera – or unidentified comparable form • †Septimyalina • †Shizophoria • †Shizophoria chouteauensis • †Shizophoria swalleri • †Shumardella • †Shumardella dunbarensis • †Siksika – type locality for genus • †Siksika ottae – type locality for species • †Sinuella • †Soleniscus • †Solenopleurella • †Soris – type locality for genus • †Soris labiosus – type locality for species • †Spathognathodus • †Spathognathodus peculiaris • †Sphenosteges • †Sphenotus • †Sphenotus altidorsatus – or unidentified comparable form • †Spirifer'' • †Spirifer brazerianus – or unidentified related form • †Spirifer centronatus • †Spirifer greenockensis – or unidentified comparable form • †Spirifer grimesi • †Spirifer louisianensis – or unidentified related form • †Spirifer marionensis – or unidentified comparable form • †Spirifer mudulus • †Spirifer raymondi • †Spirifer S. centronatus Winchell – or unidentified comparable form • †Spirifer S. grimesi Hall – or unidentified comparable form • †Spirifer shoshonensis • †Spirifer welleri – tentative report • †Spiriferina • †Spiriferina solidirostris – or unidentified comparable form • Spirorbis • †Spirorbis kinderhookensis • †Spirorbis moreyi – or unidentified related form • †Spraparallus • †Squamaria • †Squatinactis – type locality for genus • †Squatinactis caudispinatus – type locality for species • †Squillites – type locality for genus • †Squillites spinosus – type locality for species • †Stenoglaphyrites • †Stenoglaphyrites hesperius • †Stenoscisma • †Stenoscisma obesa • †Stethacanthus'' • †Stethacanthus altonensis • †Stigmacephalus • †Straparollus • †Streblochondria • †Stutchburia • †Sulcocephalus • †Sulcoretepora • †Symphysurina • †Syntrophina • †Syntrophina nana • †Syntrophopsis • †Syringopora'' • †Syringopora aculeata Grity • †Syringopora suraularia – or unidentified related form • †Syringospira • †Syringospira prima • †Syringothyris • †Syringothyris hannibalensis • †Syringothyris typus – or unidentified comparable form ==T==

• †Taenicephalus • †Teiichispira • †Teiichispira affinis • †Tetralobula • †Thalattocanthus • †Thalattocanthus consonus • †Thamnopora • Thurammina • †Thuroholia • †Thuroholia cribriformis • †Thuroholia spicatus • †Thysanophyllum • †Timaniella • †Timaniella pseudocamerata • †Tolypammina • †Tomagnostus • †Tomasina – tentative report • †Tonkinella • †Tonkinella stephenensis – or unidentified comparable form • †Tornoceras • †Tornoceras crebiseptum • †Torynifer • †Torynifer cooperensis • †Torynifer setiger – or unidentified comparable form • †Torynifera • †Torynifera montanus • †Trachelocrinus – tentative report • †Triplophylliltes • †Triplophylliltes spinulosus – or unidentified comparable form • †Trochophyllum • †Tropidodiscus • Tubulipora • †Tubulipora amsdenense – tentative report • †Tylonautilus • †Tylothyris • †Tylothyris clarkesvillensis • †Tylothyris clarksvillensis • †Tylothyris compacta • †Tylothyris novamexicana – or unidentified comparable form ==V==

• †Vesiculophyllum • †Vogelgnathus • †Vogelgnathus campbelli ==W==