List of the Paleozoic life of Minnesota

• †Abludoglyptocrinus – • †Abludoglyptocrinus charltoni • †Acanthocrania • †Acanthocrania granulosa • †Acanthocrania setigeria • †Acanthoparypha • †Acanthoparypha evetti • †Actinoceras • †Actinoceras beloitense • †Actinoceras bigsbyi • †Actinoceras gravicentrum • †Actinoceras janesvillensis • †Actinodiscus • †Aechmina • †Aechmina cuspidata • †Aechmina ionensis • †Agelacrinites • †Alaskadiscus • †Alaskadiscus subacutus • †Allodesma – type locality for genus • †Allodesma subellipticum – type locality for species • †Allumettoceras • †Allumettoceras carletonense – or unidentified comparable form • †Allumettoceras planodorsatum • †Ambonychia • †Ambonychia tenuis • †Ambonychiopsis • †Amecystis • †Amecystis woodi • †Americoncha • †Americoncha marginata • †Amorphognathus • †Amorphognathus superbus • †Amphilichas • †Amphilichas cucullus – or unidentified comparable form • †Amygdalocystites • †Anaspyroceras • †Anaspyroceras anellus • †Anaspyroceras calvini • †Anaspyroceras clermontense • †Anaspyroceras perroti • †Anazyga • †Anazyga recurvirostra • †Anolotichia • †Anolotichia impolita • †Antiplectoceras – tentative report • †Anulocrinus • †Anulocrinus forrestonensis • †Aparchites • †Aparchites barbatus • †Aparchites carinatus • †Aparchites chatfieldensis • †Aparchites ellipticus • †Aparchites fimbriatus • †Aparchites macrus • †Aparchites paratumida • †Apycnodiscus • †Archaeocrinus • †Archaeocrinus obconicus • †Archinacella • †Archinacella cingulata • †Archinacella deleta • †Archinacella simplex • †Archinacella simulatrix • †Archinacella valida • †Aristerella • †Armenoceras • †Armenoceras clermontense • †Armenoceras iowense • †Arthroclema • †Arthroclema armatum • †Arthropora • †Arthropora simplex • †Arthrostylus • †Arthrostylus conjunctus • †Arthrostylus obliquus • †Aspidopora • †Astreptodictya • †Astreptodictya acuta • †Astreptodictya elegans • †Astreptodictya fimbriata • †Astreptodictya pumila • †Astrocystites • †Ateleocystites • †Ateleocystites guttenbergensis • †Athrophragma • †Athrophragma foliata • †Austinella • †Austinella kankakensis – ==B==

• †Bairdiocypris – • †Bairdiocypris granti • †Basilicus • †Basilicus barrandi • †Bassleratia • †Bassleratia typa • †Bathyurus • †Bathyurus longispinus • †Batostoma • †Batostoma fertile • †Batostoma magnopora • †Batostoma winchelli • †Bellimurina • †Bellimurina charlottae • †Bellornatia • †Bellornatia tricollis • †Belodina • †Belodina compressa • †Belodina confluens • †Beloitoceras • †Beloitoceras carveri • †Beloitoceras grafense • †Beloitoceras houghtoni • †Beloitoceras huronense – or unidentified comparable form • †Beloitoceras janesvillense • †Beloitoceras lycum • †Beloitoceras norwoodi • †Beloitoceras pandion • †Beloitoceras plebeium • †Beloitoceras whitneyi • †Berkeia – type locality for genus • †Berkeia typica – type locality for species • †Beyrichia • †Beyrichia irregularis • †Bodeiceras • †Bodeiceras oxygonium • †Bollia • †Bollia regularis • †Bollia ruthae • †Bollia subaequata • †Bollia subaequeata • . The short spines which were attached to the tubercles are not drawn. †Bothriocidaris'' • †Bothriocidaris solemi • †Brachytomaria • †Brachytomaria semele • †Bromidella • †Bromidella depressa • †Bromidella rhomboides • †Bryantodina • †Bryantodina abrupta • †Bryantodina typicalis • †Bucania • †Bucania elliptica • †Bucania halli • †Bucania minnesotensis • †Bucania sublata • †Bullatella • †Bullatella granilabiatus • †Bullatella granlabiatus • †Bumastoides • †Bumastoides milleri • †Bumastoides porrectus • †Bumastus'' • †Bumastus orbicaudatus • †Byrsolopsina • †Byrsolopsina centipunctata • †Byrsolopsina normella • †Byrsolopsina ovata • †Byrsolopsina planilateralis • Bythocypris • †Bythocypris curta • †Bythocypris furnishi • †Bythopora • †Bythopora subgracilis – ==C==

• †Calceocrinus • †Calceocrinus gossmani • †Calceocrinus levorsoni • †Calymene'' • †Calymene mamillate • †Calymene winchelli • †Camaraspis • †Camaraspis convexus • †Camaraspoides • †Camaraspoides berkeyi • †Camellaspongia – type locality for genus • †Camellaspongia tumula – type locality for species • feeding on an Aphetoceras, while a quartet of Cyclostomiceras swim by †Cameroceras'' • †Cameroceras alternatum – or unidentified comparable form • †Cameroceras hennepini • †Cameroceras inopinatum – type locality for species • †Cameroceras stillwaterense – type locality for species • †Campylorthis • †Campylorthis deflecta • †Carabocrinus • †Carabocrinus dicyclicus • †Carabocrinus magnificus • †Carabocrinus oogyi • †Carabocrinus radiatus • †Carabocrinus slocomi • †Carinaropsis • †Carinaropsis cymbula • †Carinaropsis minima • †Cataschisma • †Cataschisma convexum • †Centrocyrtoceras • †Centrocyrtoceras annulatum • †Centrocyrtoceras duplicostatum • †Centrocyrtoceras rotundum • †Ceratopea • †Ceratopea canadensis • †Ceratopea parvum – type locality for species • †Ceratopea pygmaea – type locality for species • †Ceratopsis • †Ceratopsis chambersi • †Ceratopsis humilinoda • †Ceratopsis quadrifida • †Ceraurinella • †Ceraurinella scofieldi • †Ceraurinella templetoni • †Ceraurinus • †Ceraurinus icarus • †Ceraurus'' • †Ceraurus pleurexanthemus • †Ceraurus pleurexanthomus • †Charactoceras • †Charactoceras laddi • †Chariocephalus • †Chariocephalus whitfieldi • †Chasmatopora • †Chasmatopora reticulata • †Cheilocephalus • †Cheilocephalus stcroixensis • †Cheirocrinus • †Chidleyenoceras • †Chirognathus • †Chirognathus duodactylus • †Cincinnaticrinus • †Cincinnaticrinus varibrachialus • †Cincinnetina'' • †Cincinnetina minnesotensis – type locality for species • †Clathrospira • †Clathrospira conica • †Clathrospira subconica • †Cleiocrinus • †Cleionychia • †Coelocerodontus • †Coelocerodontus trigonius • †Colpodon • †Colpomya • †Constellaria'' • †Constellaria varia • †Conularia • †Cordylodus • †Cordylodus delicatus • †Cornites • †Coronocystis • †Coronocystis durandensis • †Cotteroceras • †Cotteroceras compressum • †Cotylahindia – type locality for genus • †Cotylahindia panaca – type locality for species • †Crania • †Crania reversa • †Craniops • †Craniops minor • †Cremacrinus • †Cremacrinus arctus • †Cremacrinus crossmani • †Cremacrinus gerki • †Cremacrinus guttenbergensis • †Cremacrinus punctatus • †Cryptophyllus • †Cryptophyllus obloides • †Cryptophyllus oboloides • †Cryptophyllus sulcatus • †Crytoniodus • †Crytoniodus complicatus • †Ctenobolbina • †Ctenobolbina emaciata • †Ctenobolbina maquoketensis • †Ctenodonta • †Ctenodonta novicea • †Ctenodonta oviformis – type locality for species • †Ctenodonta similis • †Ctenodonta subnasuta – type locality for species • †Culumbodina • †Culumbodina penna • †Cuneamya • †Cupulocrinus • †Cupulocrinus canaliculatus • †Cupulocrinus conjugans • †Cupulocrinus graciis – or unidentified related form • †Cupulocrinus gracilis • †Cupulocrinus humilis • †Cupulocrinus jewetti • †Cupulocrinus latibrachiatus – or unidentified related form • †Cupulocrinus levorsoni • †Cupulocrinus molanderi • †Cupulocrinus plattevillensis • †Curtognathus • †Cyclocystoides • †Cyclocystoides halli • †Cyclonema • †Cyclonema aiens • †Cyclonema percarinata • †Cyclonema textilis • †Cyclonema varicosum • †Cyclospira • †Cyclospira bisulcata • †Cymatonota • †Cyptendoceras • †Cyptendoceras ruedemanni • †Cyrtocerina • †Cyrtocerina crenulata • †Cyrtocerina schoolcrafti • †Cyrtodonta • †Cyrtodonta descriptus • †Cyrtodonta dignus • †Cyrtodonta grandis • †Cyrtodontula • †Cyrtodontula praecipita – type locality for species • †Cyrtoizoceras • †Cyrtoizoceras minneapolis • †Cyrtolites • †Cyrtolites dilatus • †Cyrtolites disjunctus • †Cyrtolites minor • †Cyrtolites ornatus • †Cyrtolites retrorsus • †Cyrtonellopsis • †Cyrtonellopsis vetulum • †Cyrtospira • †Cyrtospira wykoffensis • †Cyrtostropha • †Cyrtostropha salteri – ==D==

• †Daidia • †Daidia subconica – type locality for species • †Dalmanella • †Dalmanella rara – or unidentified comparable form • †Dalmanella sculpta – tentative report • †Dapsilodus • †Dapsilodus mutatus • †Deceptrix • †Deckeroceras • †Deckeroceras clermontense • †Deiroceras • †Deiroceras scofieldi • †Dekayella • †Dekayella praenuntia • †Delotaxis • †Dendrocrinus • †Dendrocrinus acutidactylus – or unidentified related form • †Dendrocrinus casei • †Desmograptus • †Desmograptus cancellatus • †Diceromyonia • †Diceromyonia ignota • †Dicranella • †Dicranella bicornis • †Dicranella marginata • †Dicranella marinata • †Dicranella simplex • †Dicranella spinosa • †Dicranella typa • †Diestoceras • †Diestoceras alceum • †Diestoceras clarkei • †Dilobella • †Dilobella simplex • †Dilobella typa • †Dinorthis • †Dinorthis pectinella • †Diorthelasma • †Diorthelasma weissi – type locality for species • †Diplograptus'' • †Diplograptus peosta • †Doleroides • †Doleroides pervetus • †Dolichoharpes • †Dolichoharpes ottawaensis • †Drepanoistodus • †Drepanoistodus suberectus • †Drumaspis • †Drumaspis sabulosa • †Drumaspis tanycodia • †Dvorakia • †Dvorakia chattertoni – type locality for species • †Dvorakia klapperi – ==E==

• †Eccyliopterus • †Eccyliopterus owenanus • †Ectenaspis • †Ectenaspis beckeri – type locality for species • †Ectenocrinus • †Ectenocrinus raymondi • †Ectenocrinus simplex • †Ectomaria • †Ectomaria pagoda • †Ectomaria prisca • †Edrioaster • †Edrioaster bigsbyi • †Ellesmeria • †Ellesmeria scobeyi • †Ellesmeroceras • †Ellesmeroceras winonicum • †Ellipsocephaloides • †Ellipsocephaloides curtus • †Ellipsocephaloides gracilis • †Elliptocryprites • †Elliptocryprites paracylindrica – type locality for species • †Elliptocyprites • †Elliptocyprites paracylindrica – type locality for species • †Endoceras'' • †Endoceras atkinsonense • †Endoceras clarkei • †Endoceras clermontense • †Endoceras decorahense • †Endoceras eburneolum – type locality for species • †Endoceras fulgar • †Endoceras gracillimum • †Endoceras kayi • †Endoceras proteiforme • †Endoceras thomasi • †Eobelodina • †Eobelodina hormacola • †Eochonetes • †Eochonetes recedens • †Eomonorachus • †Eomonorachus intermedius • †Eoplectodonta • †Eoplectodonta recedens • †Eoplectodonta saxea • †Eoschmidtella • †Eoschmidtella umbonata • †Eotomaria • †Eotomaria dryope • †Eotomaria vicina • †Ephippiorthoceras • †Ephippiorthoceras laddi • †Ephippiorthoceras tenuistriatum • †Eremotrema – tentative report • †Eremotrema emacerata • †Eridotrypa • †Eridotrypa aedilis • †Eridotrypa exigua • †Erismodus • †Erismodus quadridactylus • †Eroicaspira • †Eroicaspira bellicincta • †Erratencrinurus • †Erratencrinurus vigilans • †Escharopora • †Escharopora subrecta • †Eukloedenella • †Eukloedenella richmondensis • †Eumorphocystis • †Eunema • †Eunema centralis • †Eunema concinnula • †Eunema helicteres • †Eunema quadrisulcata • †Eunema simile • †Euomphalopsis • †Euomphalopsis depressa – type locality for species • †Euprimitia • †Euprimitia celata • †Euprimitia labiosa • †Euprimitia linepunctata • †Euprimitia sanctipauli • †Eurychilina • †Eurychilina cannonfallsensis – type locality for species • †Eurychilina depressa • †Eurychilina incurva • †Eurychilina kayi – type locality for species • †Eurychilina micropunctata – type locality for species • †Eurychilina minutifoveata • †Eurychilina partifimbriata • †Eurychilina reticulata • †Eurychilina subradiata • †Eurychilina sugarcreekensis – type locality for species • †Eurychilina ventrosa • †Eurycystites • †Eurycystites granosus • †Eurymya • †Eurymya plana • †Eurystomites • †Eurystomites kelloggi – ==F==

• †Fayettoceras – tentative report • †Fayettoceras beloitense • †Fisherities • †Flexicalymene'' • †Flexicalymene senaria • †Floripatella • †Floripatella humilis • †Furcitella • †Furcitella scofieldi • †Fusispira • †Fusispira angusta • †Fusispira convexa • †Fusispira inflata • †Fusispira intermedia • †Fusispira nobilis • †Fusispira planulata • †Fusispira spicula • †Fusispira subbrevis • †Fusispira subfusiformis • †Fusispira ventricosa • †Fusispira vittata – ==G==

• †Gabriceraurus • †Gabriceraurus mifflinensis • †Geisonoceras • †Geisonoceras clermontense • †Geisonoceras scofieldi • †Globonema • †Globonema niota • †Glyptocrinus • †Glyptocrinus ornatus – or unidentified related form • †Glyptocrinus pustulosis • †Glyptocrinus tridactylus • †Glyptocystites • †Glyptocystitid – type locality for genus • †Glyptorthis • †Glyptorthis bellarugosa • †Glyptorthis insculpta • †Gonioceras • †Gonioceras anceps • †Gonioceras homerense • †Gonioceras kayi • †Gonioceras occidentale • †Goniophora • †Goniophora absimilis • †Gorbyoceras • †Graptodictya • †Graptodictya proava • †Graptodictya simplex • †Grenprisa • †Grenprisa billingsi • †Grewingkia'' • †Gyronema • †Gyronema pulchellum • †Gyronema semicarinatum – ==H==

• †Hallatia • †Hallatia convexa • †Hallatia duplicata • †Hallatia particylindrica • †Halliella • †Halliella magnipunctata • †Hallopora'' • †Hallopora dumalis • †Hallopora goodhuensis • †Hallopora multitabulata • †Hallopora undulata • †Hebertella • †Hebertella occidentalis • †Hebetoceras – tentative report • †Helcionopsis • †Helcionopsis depressum • †Helcionopsis wisconsinensis • †Helicotoma • †Helicotoma planulata • †Helopora • †Helopora divaricata • †Hemicystites • †Hemicystites curtus • †Hemicystites paulianus • †Hemiphragma • †Hemiphragma irrasum • †Hemiphragma tenuimurale • †Hesperidella • †Hesperidella initialis • †Hesperorthis • †Hesperorthis tricenaria • †Hindia • †Hindia sphaeroidalis • †Hiscobeccus • †Hiscobeccus capax • †Holopea'' • †Holopea ampla • †Holopea appressa • †Holopea concinnula • †Holopea excelsa • †Holopea insignis • †Holopea obliqua • †Holopea paludiniformis • †Holopea pyrene • †Holopea rotunda • †Holopea similis • †Holopea supraplana • †Holtedahilina • †Holtedahilina emaciata • †Homotrypa • †Homotrypa subramosa • †Homotrypella • †Homotrypella cribrosa • †Homotrypella hospitalis • †Homotrypella instabilis • †Horiostomella • †Hormotoma • †Hormotoma artemesia • †Hormotoma cassina • †Hormotoma gracilis • †Hormotoma minnesotensis • †Hormotoma multivolvis • †Hormotoma neglecta • †Hormotoma oehlerti • †Hormotoma subangulata • †Hudsonaster • †Hudsonaster narrawayi • †Hudsonaster rugosus – or unidentified related form • †Hybocrinus • †Hybocrinus conicus • †Hypseloconus – type locality for genus • †Hypseloconus cornutiformis – type locality for species • †Hypseloconus elongatus – type locality for species • †Hypsiptycha • †Hypsiptycha anticostiensis – ==I==

• †Icriodella • †Icriodella superba • †Icriodus • †Icriodus calvini – type locality for species • †Icriodus orri – type locality for species • †Idahoia • †Idahoia serapia • †Idahoia serapio • †Idahoia wisconsensis • †Idiospira • †Idiospira panderi • †Illaenus • †Illaenus americanus • †Ischadites • †Ischadites iowensis • †Isorthoceras • †Isorthoceras junceum • †Isorthoceras sociale • . †Isotelus'' • †Isotelus gigas • †Isotelus iowensis • †Isotelus simplex • †Isotelus susae • †Isotomocrinus • †Isotomocrinus minutus – ==K==

• †Kentlandoceras – • †Kentlandoceras husseyi • †Kentlandoceras schrocki – or unidentified comparable form • †Kiesowia – tentative report • †Kiesowia verrucosa • †Kionoceras'' • †Kionoceras decorahense • †Kionoceras postvillense • †Kionoceras tenuitectum • †Kionoceras thomasi • †Kirengella • †Kirengella rectilateralis – type locality for species • †Kirengella stabilis – type locality for species • †Kokenospira • †Kokenospira costalis – type locality for species • †Krausella • †Krausella arcuata • †Krausella curtispina • †Krausella inaequalis • †Krausella variata – ==L==

• †Laccoprimitia • †Laccoprimitia fillmorensis • †Laddella • †Laddella insueta • †Lambeoceras • †Lambeoceras confertum • †Lambeoceras cultratum – or unidentified comparable form • †Lecanospira • †Lecanospira transversocordatus – type locality for species • †Leperditella • †Leperditella fryei • †Leperditella macra • †Leperditella millepunctata • †Leperditella persimilis • †Lepidocyclus • †Lepidocyclus laddi • †Lesueurilla • †Lesueurilla beloitensis • †Lichenaria • †Lichenaria typa • †Lingula'' • †Lingula morsei • †Lingula philomela • †Lingulasma • †Lingulasma galenensis • †Lingulops • †Liospira • †Liospira americana • †Liospira angustata • †Liospira decipens • †Liospira micula • †Liospira modesta • †Liospira obtusa • †Liospira progne • †Liospira vitruvia • †Loganoceras • †Lophospira • †Lophospira decursa • †Lophospira major • †Lophospira milleri • †Lophospira obliqua • †Lophospira perangulata – type locality for species • †Lophospira serrulata • †Lophospira spironema • †Lophospira ventricosa • †Loxobucania • †Loxobucania emmonsi • †Loxobucania lindsleyi • †Lyrodesma • †Lyrodesma cannonense – type locality for species • †Lytospira • †Lytospira subrotunda • †Lytospira undulatus – ==M==

• †Maclurina • †Maclurina bigsbyi • †Maclurina manitobensis • †Maclurites • †Maclurites crassa • †Maclurites cuneata • †Maclurites depressus • †Maclurites nitidus • †Maclurites subrotunda • Macrocypris • †Macrocypris kayi • †Macrocyproides • †Macrocyproides clermontensis • †Macrocyprus • †Macrocyprus kayi • †Macronotella • †Macronotella arcta • †Macronotella scofeldi • †Macronotella scofieldi • †Manespira • †Manespira nicolleti • †Manitoulinoceras • †Manitoulinoceras neleum • †Manitoulinoceras warsawense • †Manitoulinoceras wykoffense • †Maratia • †Maratia mana • †Maratia mara • †Maratia micula • †Matheria • †Megamyonia • †Megamyonia unicostata • †Merocrinus • †Merocrinus britonensis • †Metaspyroceras • †Metaspyroceras clarkei • †Metaspyroceras minneapolis • †Metaspyroceras nicolleti • †Metaspyroceras perlineatum • †Metaspyroceras wisconsinense • †Michelinoceras • †Michelinoceras beltrami • †Michelinoceras multicameratum • †Microcoelodus • †Milleratia • †Milleratia cincinnatiensis • †Mitoclema • †Mitoclema mundulum • †Mixoconus • †Mixoconus primus • †Modiolodon • †Modiolopsis • †Modiolopsis fountainensis • †Modiolopsis gregalis • †Modiolopsis nana – type locality for species • †Monocheilus • †Monocheilus anatinum • †Monocheilus micros • †Monocyclic • †Monocyclic inadunate • †Monotrypa • †Multioistodus • †Myeinocystites • †Myeinocystites crossmani – ==N==

• †Nanno • †Nanno aulema • †Nasutimena • †Nasutimena fluctuosa – or unidentified comparable form • †Nematopora • †Nematopora conferta • †Nematopora consueta • †Nematopora ovalis • †Neobothriocidaris • †Neobothriocidaris templetoni • †Neocoleodus • †Neopanderodus • †Ningulella • †Ningulella paucisulcata • †Nodambichilina • †Nodambichilina symmetrica • †Nuculites – ==O==

• †Oepikina • †Oepikina inquassa • †Oepikina minnesotensis • †Oistodus • †Oistodus abundans • †Oistodus venustus • †Omospira • †Omospira laticincta • †Omospira trentonensis • †Oneotodus • †Oneotodus ovatus • †Onniella • †Onniella porrecta • †Onniella quadrata • †Onoceras • †Onoceras abruptum • †Onoceras douglassi • †Onoceras tetreauvillense • †Ophileta • †Ophiletina • †Ophiletina angularis • †Ophiletina fausta • †Ophiletina sublaxa • †Opikatia • †Opikatia emaciata • †Opikatia rotunda • †Orbiculoidea • †Orbiculoidea lamellosa – or unidentified comparable form • †Orbiculoidea pelopea • †Ormoceras – tentative report • †Ormoceras maquoketense • †Orthoceras • †Orthoceras beltrami • †Orthoceras minnesotense • †Orthodesma • †Orthodesma canaliculatum • †Orthodesma caniculatum • †Orthodesma litoralis • †Orthograptus • †Oulodus • †Oulodus serratus • †Oxoplecia • †Oxoplecia ulrichi • †Ozarkodina • †Ozarkodina concinna • †Ozarkodina delecta • †Ozarkodina raaschi – ==P==

• †Pachydictya • †Pachydictya elegans • †Pachyglossella • †Pachyglossella elderi • †Pachyglossella riciniformis • †Palaeocrinus • †Palaeocrinus angulatus • †Palaeoglossa • †Palaeoglossa hurlburti • †Palaeoneilo • †Paleocrinus • †Paleocrinus angulatus • †Panderodus • †Panderodus feulneri • †Panderodus gracilis • †Panderodus panderi • †Parabolbina • †Parabolbina antecedans • †Parabolbina carinifera • †Parabolbina staufferi • †Paraliospira • †Paraliospira abrupta • †Paraliospira supracingulata • †Paraschmidtella • †Paraschmidtella irregularis • †Paraschmidtella uphami • †Parastrophina • †Parastrophina berensis • †Parastrophina bernensis • †Parastrophina rotundiformis • †Parenthatia • †Parenthatia camerata • †Parenthatia punctata • †Parschmidtella • †Parschmidtella uphami • †Paucicrura • †Paucicrura corpulenta • †Paucicrura rogata • †Paupospira • †Paupospira burginensis • †Paupospira elevata • †Paupospira oweni • †Paupospira sumnerensis • †Pedomphalella • †Pedomphalella intermedia • †Pedomphalella subovata • †Periglyptocrinus • †Periglyptocrinus spinuliferus • †Periodon • †Periodon grandis • †Petrocrania • †Petrocrania halli • †Petrocrania trentonensis • †Phialaspongia – type locality for genus • †Phialaspongia fossa – type locality for species • †Phragmodus • †Phragmodus cognitus • †Phragmodus inflexus • †Phragmodus undatus • †Phragmolites • †Phragmolites compressus • †Phragmolites dyeri • †Phragmolites fimbriata • †Phragmolites obliquus • †Phragmolites triangularis • †Phyllodictya • †Phyllodictya varia • †Pinodema • †Pinodema conradi • †Pionodema • †Pionodema circularis • †Pionodema subaequata • †Plaesiomys'' • †Plaesiomys meedsi • †Plaesiomys proavitus • †Plaesiomys subquadrata • †Platystrophia • †Platystrophia amoena • †Platystrophia biforata • †Platystrophia extensa – tentative report • †Platystrophia trentonensis • †Plectoceras • †Plectoceras occidentale • †Plectoceras robertsoni • †Plectodina • †Plectodina aculeata • †Plectodina tenuis • †Plectorthis • †Plectorthis plicatella • †Plethocardia • †Plethocardia suberecta • †Plethospira • †Plethospira cannonensis – type locality for species • †Plethospira cassina • †Pleurocystites'' • †Pleurocystites squamosus • †Polygammoceras • †Polygammoceras prestonense • †Polygnathus • †Polygnathus curtigladius • †Polygnathus intermedius • †Polygnathus linguiformis • †Polygnathus parawebbi • †Polygrammoceras • †Polygrammoceras prestonense • †Polyplacognathus • †Polyplacognathus ramosus • †Porocrinus • †Porocrinus elegans • †Porocrinus fayettensis • †Porocrinus pentagonius • †Porocrinus smithi – or unidentified related form • †Praepleurocystis • †Prasopora • †Prasopora insularis • †Primitella • †Primitella constricta • †Primitella plattevillensis • †Primitia • †Primitia cannonensis – type locality for species • †Primitia gibbera • †Primitia mammata • †Primitia spinata • †Primitia tumidula • †Primitiella • †Primitiella bellevuensis • †Primitiella carlei • †Primitiella constricta • †Primitiella milleri • †Primitiella plattevillensis • †Primitiopsis – tentative report • †Primitiopsis bella • †Probillingsites • †Probillingsites milleri • †Probillingsites pronis • †Probillingsites welleri • †Prolobella • †Promopalaeaster • †Promopalaeaster wilsoni • †Proplina • †Proplina convexum – type locality for species • †Proplina cornutaformis – type locality for species • †Proplina corpulentum – type locality for species • †Proplina extensum – type locality for species • †Prosaukia • †Prosaukia ambigua • †Prosaukia misa • †Proteroconus • †Proteroconus capuloides – type locality for species • †Protopanderodus • †Protopanderodus liripipus • †Pseudagnostus • †Pseudagnostus josephus • †Pseudolingula • †Pseudolingula eva • †Pseudolingula iowensis • †Pseudoprimitella • †Pseudoprimitella unicornis • †Pseudulrichia • †Pseudulrichia simplex • †Psuedulrichia • †Psuedulrichia simplex • †Pterinea • †Pterotheca • †Pterotheca attenuata • †Pterygometopus • †Pterygometopus sclerops – or unidentified comparable form • †Ptiloconus • †Ptilodictya – tentative report • †Ptychaspis • †Ptychaspis granulosa • †Ptychaspis miniscaensis • †Ptychaspis striata • †Ptychaspis tuberosa • †Ptychocrinus • †Punctaparchites • †Punctaparchites rugosus • †Punctaparchites splendens • †Pycnocrinus • †Pycnocrinus gerki • †Pycnocrinus multibrachialis • †Pycnocrinus sardesoni • †Pyrgocystis • †Pyrgocystis sardesoni – ==Q==

• †Quasibollia – • †Quasibollia persulcata • †Quasibollia ridicula • †Quienquecaudex • †Quienquecaudex springeri – ==R==

• †Rafinesquina – • †Rafinesquina deltoidea • †Rafinesquina nitans • †Rafinesquina trentonensis • †Raphistoma • †Raphistoma shakopeense – type locality for species • †Raphistomina • †Raphistomina lapicida • †Raphistomina rugata • †Raymondatia • †Raymondatia goniglypta • †Redpathoceras – tentative report • †Reedsoceras • †Reedsoceras macrostomum • †Reteocrinus • †Reteocrinus rocktonensis • †Reteocrinus spinosus • †Rhaphanocrinus • †Rhaphanocrinus buckleyi • †Rhaphistomina • †Rhaphistomina rugata • †Rhinidictya • †Rhynchotrema • †Rhynchotrema ainsliei • †Rhynchotrema laticosta • †Rhynchotrema wisconsinense • †Rhytimya • †Richardsonoceras • †Richardsonoceras beloitense • †Richardsonoceras clarkei • †Richardsonoceras romingeri • †Richardsonoceras scofieldi • †Richardsonoceras simplex • †Rigidella • †Rigidella cannonensis – type locality for species • †Rioceras • †Rioceras consuetum – tentative report • †Rosticellula • †Rosticellula colei • Rostricellula • †Rostricellula minnesotensis – ==S==

• †Saccelatia • †Saccelatia angularis • †Saccelatia arcuamuralis • †Saccelatia arrecta • †Saccelatia bullata • †Saccelatia cletifera • †Saffordia • †Salpingostoma • †Salpingostoma buelli • †Salpingostoma imbricata • †Salpingostoma sculptilis • †Saratogia • †Saratogia hamula • †Scaevogyra • †Scaevogyra swezeyi – type locality for species • †Scalenocystites • †Scalenocystites strimplei • †Scalites • †Scalites peracutum • †Scenella'' • †Scenella compressa • †Scenella obtusa • †Sceptaspis • †Sceptaspis lincolnensis • †Schizambon • †Schizocrania • †Schizocrania filosa • †Schmidtella • †Schmidtella affinis • †Schmidtella brevis • †Schmidtella lacunosa • †Schuchertia • †Schuchertoceras • †Schuchertoceras thomasi • †Scofieldia • †Scofieldia bilateralis • †Scofieldoceras • †Scofieldoceras depressum • †Scofieldoceras shumardi • †Scyphiodus • †Scyphiodus primus • †Similodonta • †Simulites • †Simulites concinnus • †Sinuites • †Sinuites cancellatus • †Sinuites pervoluta • †Sinuites rectangularis • †Sinuites subcompressa – type locality for species • †Sivertsia • †Skenidioides • †Skenidioides anthonense • †Sowerbyella • †Sowerbyella curdsvillensis • †Sowerbyella minnesotensis • †Spatiopora • †Spatiopora lineata • †Sphenolium • †Sphenosphaera • †Sphenosphaera platystoma • †Sphenosphaera rogersensis • †Spyroceras • †Spyroceras cylindratum • †Spyroceras lesueuri • †Spyroceras perroti – or unidentified comparable form • †Spyroceras scofieldi • †Staufferella • †Staufferella falcata • †Staufferoceras • †Staufferoceras featherstonhaughi • †Stereoconus • †Stereoconus gracilis • †Stictopora • †Stictopora dumosa • †Stictopora exigua • †Stictopora lita • †Stictopora minima • †Stictopora mutabilis • †Stictopora neglecta – or unidentified comparable form • †Stictopora paupera • †Stictoporella • †Stictoporella angularis • †Stictoporella cribrosa • †Stictoporella frondifera • †Stictoporella gracilis • †Stigmacephalus • †Stigmacephalus flexifrons • †Stigmaspis • †Stigmaspis hudsonensis • †Stigmatella • †Stigmatella claviformis • †Strepsodiscus • †Strepsodiscus franconiensis – type locality for species • †Strepsodiscus strongi • †Streptelasma • †Streptelasma corniculum • †Strophomena'' • †Strophomena billingsi • †Strophomena filitexta • †Strophomena incurvata • †Strophomena occidentalis • †Strophomena planodorsata • †Strophomena plattinensis – or unidentified comparable form • †Strophomena septata • †Strophomena trilobata • †Strophomena trilobita • †Stylocyrtoceras • †Stylocyrtoceras tantillum – type locality for species • †Subulites • †Subulites conradi • †Subulites dixonenesis • †Subulites elongatus • †Subulites pergracilis • †Subulites regularis • †Sygcaulocrinus • †Sygcaulocrinus typus – ==T==

• †Tanaocystis • †Tancrediopsis • †Technophorus • †Technophorus divaricatus • †Teichertoceras • †Teichertoceras husseyi – or unidentified comparable form • †Tetradella • †Tetradella ellipsilira • †Tetradella subquadrans • †Tetradella ulrichi • †Tetranota • †Tetranota bidorsata • †Tetranota macra • †Tetranota obsoleta • †Tetranota sexcarinata • †Tetranota wisconsinensis • †Tetraprioniodus • †Tetraprioniodus breviconus • †Thaleops • †Thaleops ovata • †Thomasatia • †Thomasatia falcicosta • †Thuroholia • †Thuroholia cribriformis • †Thuroholia croneisi • †Traskocrinus • †Traskocrinus mahlburgi • †Trematis • †Trematis huronensis • †Trematopora • †Trematopora primigenia • †Trichinocrinus – or unidentified related form • †Triconodella • †Triconodella flexa • †Trigrammaria • †Trigrammaria winchelli • †Tripteroceras • †Tripteroceras oweni • †Tripteroceras planoconvexum • †Tripteroceras scofieldi • †Trochonema • †Trochonema altum • †Trochonema beachi • †Trochonema beloitense • †Trochonema fragile • †Trochonema retrorsum • †Trochonema rugosa • †Trochonema subcrassum • †Trochonema umbilicata • †Trochonema vagrans • . Head region is to the left. †Tryblidium'' • †Tryblidium exserta – ==U==

• †Ulrichaster – • †Ulrichaster ulrichi • †Ulrichia • †Ulrichia saccula • †Ulrichoceras • †Ulrichoceras beloitense • †Urasterella'' • †Valcouroceras • †Vanuxemia • †Vanuxemia dixonensis • †Vellamo • †Vellamo americana – ==W==