List of the Paleozoic life of Ohio

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

A

• †Abylea – type locality for genus
• †Abylea minuta – type locality for species
• †Acacocrinus
• †Acacocrinus anebos
• †Acanthatia
• †Acanthoclema
• †Acanthoclema lineatum
• †Acanthoclema ohioensis
• †Acanthoclema sulcatum
• †Acanthonema
• †Acanthonema holopiforme
• †Acanthonema newberryi
• †Acanthopecten
• †Acanthopecten bellosum – type locality for species
• †Acanthopecten carboniferus
• †Acanthotriletes
• †Acanthotriletes aculeolatus
• †Achatella
• †Acidaspis
• †Acidaspis cincinnatiensis
• †Acleistoceras – tentative report
• †Acmaeoblatta – type locality for genus
• †Acmaeoblatta lanceolata – type locality for species
• †Acriora
• †Acriora petala
• †Acteonina
• †Acteonina hanseni – type locality for species
• †Actinodesma
• †Actinodesma erectum
• †Actinopteria
• †Actinopteria boydi
• †Acutichiton – type locality for genus
• †Acutichiton pyrmidalus – type locality for species
• †Adamanterpeton – type locality for genus
• †Adamanterpeton ohioensis – type locality for species
• †Aechmina
• †Aechmina richmondensis
• †Aethaspis
• †Agelacrinites
• †Agelacrinites southworthi – or unidentified comparable form
• †Agnesia
• †Agnesia prosseri
• †Alaionema
• †Alaionema crenulatum
• †Alaskozygopleura
• †Alaskozygopleura gracillium
• †Alatisporites
• †Alatisporites trialatus
• †Alethopteris
• †Allocryptaspis
• †Alloiopteris
• †Alloiopteris erosa
• †Allonema
• †Allonychia
• †Allorisma
• †Allorisma costatum
• †Alveolites
• †Alveolites labechii
• †Ambedus – type locality for genus
• †Ambedus pusilus – type locality for species
• †Ambocoelia
• †Ambocoelia norwoodi
• †Ambocoelia umbonata
• †Ambonychia
• †Ambonychia alata
• †Ambonychia cultrata
• †Ambonychia richmondensis
• †Ambonychia suberecta
• †Ambozone
• †Ambozone peoriensis – or unidentified comparable form
• †Ametroblatta
• †Ametroblatta strigosa – type locality for species
• †Ameura
• †Ameura missouriensis
• †Ammonidium
• †Ammonidium hamatum
• †Amphilichas
• †Amphiscapha
• †Amphiscapha catilloides
• †Amphiscapha reedsi
• †Amplexopora
• †Amplexopora pustulosa
• †Amplexopora robusta
• †Anaptychus – tentative report
• †Anaptychus emersoni
• †Anartiocystis
• †Anartiocystis foerstei
• †Anaspyroceras
• †Ancienta
• †Ancienta ohioensis
• †Annularia
• †Annularia asteris
• †Annularia radiata
• †Annularia sphenophylloides
• †Annularia stellata
• †Anomalocrinus
• †Anomalodonta
• †Anomalodonta costata
• †Anomalotoechus
• †Anomalotoechus tuberatus
• †Anostylostroma
• †Anostylostroma columnare
• †Anostylostroma laxum
• †Anozyga – type locality for genus
• †Anozyga bulla – type locality for species
• †Anthracodromeus
• †Anthracodromeus longipes – type locality for species
• †Anthracopupa – type locality for genus
• †Anthracopupa ohioensis – type locality for species
• †Anthracosaurus
• †Anthracosaurus lancifer – type locality for species
• †Antiquaster
• †Antiquaster magrumi
• †Antiquatonia
• †Antiquatonia costata
• †Antiquatonia portlockianus
• †Aparchites
• †Aparchites minutissimus
• †Aparchites oblongus
• †Aphelakardia
• †Aphelakardia alternistriata
• †Aphlebia
• †Apiculatasporites
• †Apiculatasporites acueatus
• †Apiculatasporites latigranifer
• †Apiculatasporites saetiger
• †Apiculatasporites setulosus
• †Arabellites
• †Archaeothyris
• †Archegogryllus – type locality for genus
• †Archegogryllus priscus – type locality for species
• †Archinacella
• †Archinacella rugatina
• †Arcochiton – type locality for genus
• †Arcochiton raymondi – type locality for species
• †Arctinurus
• †Arjamannia
• †Arjamannia inexpectans
• †Armenoceras
• †Arthraria
• †Arthraria biclavata
• †Arthroacantha
• †Arthroacantha carpenteri
• †Arthropitys
• Arthropoma
• †Arthropoma shafferi
• †Arthrostylus
• †Artisia
• †Ascodictyon
• †Ascodictyon fusiforme
• †Asolanus
• †Asolanus camptotaenia
• †Asolanus sigillarioides
• †Aspidopora
• †Aspidopora newberryi
• †Astartella
• †Astartella clinata – type locality for species
• †Astartella concentrica
• †Astartella varica
• †Astartella vera
• †Asterotheca
• †Atactoblatta – type locality for genus
• †Atactoblatta anomala – type locality for species
• †Atactoechus
• †Atactoechus typicus – or unidentified comparable form
• †Atactopora
• †Atactoporella
• †Ateleocystites
• †Athyris
• †Athyris vittata
• †Atraktoprion
• †Atrypa
• †Atrypa reticularis
• †Atrypa reticularus – report made of unidentified related form or using admittedly obsolete nomenclature
• †Augustoceras
• †Aulacella
• †Aulacera
• †Aulacera nodulosa
• †Aulocystis
• †Aulocystis auloporoidea
• †Aulocystis auloporoides
• †Aulocystis flabellata
• †Aulocystis jacksoni
• †Aulocystis lucasensis
• †Aulopora
• †Aulopora microbuccinata
• †Aulopora serpens
• †Austinella
• †Austinella scovellei
• †Aviculopecten
• †Aviculopecten appalachianus – type locality for species
• †Aviculopecten columbianus – type locality for species
• †Aviculopecten coxanus
• †Aviculopecten fasciculatus
• †Aviculopecten occidentalis
• †Aviculopecten princeps
• †Aviculopecten winchelli
• †Aviculopinna
• †Aviculopinna peracuta

B

• †Bactrites – tentative report
• †Bactrites arkonensis – or unidentified comparable form
• Bairdia
• †Bairdia devonica
• †Balbiniconcha
• †Balbiniconcha hebe
• †Baldwinonus
• †Baldwinonus dunkardensis
• †Barathrisphaeridium
• †Barathrisphaeridium chagrinense
• †Barathrisphaeridium pumilispinosum
• †Barbclabornia
• †Barbclabornia luedersensis
• †Barychilina
• †Batostoma
• †Batostoma varians
• †Batostomella
• †Batostomella gracilis
• †Batostomella striata
• †Baylea
• †Baylea giffordi – or unidentified comparable form
• †Baylea inclinata – type locality for species
• †Beatricea
• †Beatricea undulata
• †Bellerophon
• †Bellerophon hyalina
• †Bellerophon jeffersonensis
• †Bellerophon newberryi
• †Bellerophon pelops
• †Bellerophon spergensis
• †Bellerophon stevensianus
• †Bellerophon stummi – type locality for species
• †Bellerophon whittleseyi – type locality for species
• †Belodella
• †Beloitoceras
• †Beloitoceras amoenum
• †Bembexia
• †Bembexia adjutor – type locality for species
• †Bembexia insolita
• Berenicea
• †Bethanyphyllum
• †Bethanyphyllum robustum
• †Bicarina
• †Bicarina petilitornata
• †Bickmorites
• †Bikocrinus
• †Bikocrinus baios
• †Billingsastraea
• †Billingsastraea longicarinata
• †Billingsastrea
• †Billingsastrea longicarinata
• †Blattinopsis
• †Blattinopsis americana – type locality for species
• †Blattinopsis anthracina – type locality for species
• †Blattinopsis latipennis – type locality for species
• †Bodmania
• †Bollia
• †Bollia persulcata
• †Bollia regularis
• †Botryllopora
• †Botryllopora socialis
• †Botryocrinus
• †Botryocrinus neimani
• †Bowmanites
• †Bowmanites incurvata
• †Bowmanites magna
• †Brachiospongia
• †Brachydectes – type locality for genus
• †Brachydectes newberryi – type locality for species
• †Brockocystis
• †Brockocystis nodosaria
• †Broiliellus
• †Broiliellus hektotopos – type locality for species
• †Bucanella
• †Bucania
• †Bucania crassa
• †Bucanopsis
• †Buthotrephis
• †Buthotrephis gracilis
• †Byssonychia
• †Byssonychia grandis
• †Byssonychia radiata
• Bythocypris
• †Bythocypris cylindrica
• †Bythocypris punctatus
• †Bythopora
• †Bythopora delicatula
• †Bythopora striata

C

• †Calamites
• †Calamites carinatus
• †Calamites cisti
• †Calamites citiifromis
• †Calamites sachsi
• †Calamites schützeiformis
• †Calamites suckowi
• †Calamites suckowii
• †Calamites undulatus
• †Calamospora
• †Calamospora breviradiata
• †Calamospora hartungiana
• †Calamospora straminea
• †Calamostachys
• †Calamostachys bisporangiata – type locality for species
• †Calamostachys germanica
• †Calamostachys interculata – type locality for species
• †Calamostachys longibracteata – type locality for species
• †Calamostachys minuta – type locality for species
• †Calamostachys recurvata – type locality for species
• †Calamostachys tuberculata
• †Calapoecia
• †Calceocrinus
• †Calceocrinus incertus
• †Callipleura
• †Callipleura nobilis – or unidentified comparable form
• †Callixylon
• †Callixylon clevelandensis
• †Callixylon newberryi
• †Calloporella
• †Calostylis – tentative report
• †Calostylis lindstroemi
• †Calvibembexia
• †Calvibembexia sulcomarginata
• †Camarotoechia
• †Camarotoechia semiplicata
• †Cameroceras
• †Cardiocarpon
• †Cardiomorpha
• †Cardiomorpha missouriensis
• †Carneyella
• †Carneyella foerstei
• †Caryocrinites
• †Catazone
• †Catazone eversolensis – type locality for species
• †Catazyga
• †Catazyga headi
• †Catenipora
• †Catenipora favositomima
• †Catenipora favositomina
• †Catenipora gotlandica
• †Caulopteris
• †Caulopteris antiqua
• †Caulopteris peregrina
• †Cayugaea
• †Cayugaea intermittens
• †Cayugaea transitorius – tentative report
• †Centroceras
• †Centrorhynchus (= Sartenaerus)
• †Ceramoporella
• †Ceramoporella granulosa
• †Ceramoporella ohioensis
• †Ceratocephala
• †Ceratoikiscum
• †Ceratoikiscum bujugum
• †Ceratoikiscum spinosiarcuatum
• †Ceratoikiscump
• †Ceratoikiscump erittacanthinum
• †Ceratoikiscump lanistellare
• †Ceratopsis
• †Ceratopsis chambersi
• †Ceratopsis oculifera
• †Ceraurinus
• †Ceraurinus icarus
• †Ceraurus
• †Chaenomya
• †Chaenomya leavenworthensis
• †Chagrinia
• †Chagrinichnites
• †Charactoceras
• †Chasmatopora
• †Chasmops
• †Chaunograptus
• †Chiloporella
• †Chlidochirus
• †Chlidochirus springeri
• †Chondrites
• †Chonetes
• †Chonetes aurora – tentative report
• †Chonetes deflectus
• †Chonetes minutus
• †Chonetes mucronatus – tentative report
• †Chonetina
• †Chonetina choteauensis
• †Chonetinella
• †Chonetinella flemingi
• †Chonetinella verneuilana
• †Chonetinella verneuiliana
• †Cincinnaticrinus
• †Cincinnatidiscus
• †Cincinnetina
• †Cincinnetina meeki
• †Cincinnetina multisecta
• †Cirratriradites
• †Cirratriradites annulatus
• †Cladochonus
• †Cladopora
• †Cladopora bifurcata
• †Cladopora crassa
• †Cladopora lucasensis
• †Cladopora minuitissima
• †Cladopora roemeri
• †Cladoselache
• †Cladoselache clarki
• †Clarkesvillia
• †Clathrodictyon
• †Clathrodictyon confertum
• †Clathrospira
• †Claudeonychia – type locality for genus
• †Claudeonychia babini – type locality for species
• †Cleionychia
• †Clemetaocrinus
• †Clemetaocrinus ohioensis
• †Clevelandodendron
• †Clevelandodendron ohioensis
• †Climacograptus
• †Clinopistha
• †Clinopistha radiata
• †Coelocaulus
• †Coelocaulus desiderata
• †Coelocaulus strebloceras – tentative report
• †Coeloclema
• †Coeloclema oweni
• †Coenites
• †Coleolus
• †Coleolus iowensis
• †Colosteus
• †Colosteus scutellatus – type locality for species
• †Columnaria
• †Columnaria calicina
• †Comasphaeridium
• †Comasphaeridium caesariatum
• †Composita
• †Composita subtilita
• †Compsocrinus
• †Compsocrinus harrisi
• †Conchidium
• †Conradidium
• †Conradidium firmamentum
• †Constellaria
• †Conularia
• †Conularia formosa
• †Convolutispora
• †Convolutispora mellita
• †Cordaianthus
• †Cordaites
• †Cordaites principalis – or unidentified comparable form
• †Cornellites
• †Cornellites flabellum
• †Cornulites
• †Cornulites flexuosus
• †Corocrinus
• †Corocrinus noduosus
• †Corynotrypa
• †Corynotrypa delicatula
• †Corynotrypa inflata
• †Corythoecia
• †Corythoecia dichoptera
• †Costatulites
• †Costatulites richmondensis
• †Cranaena
• †Cranaena romingeri
• Craniella
• †Craniella hamiltonae
• †Crassisphaeridium
• †Crassisphaeridium inusitatum
• †Crassispora
• †Crassispora kosankei
• †Crenistriella
• †Crenistriella rotalinea
• †Crenulazona
• †Crenulazona angulata
• †Crepipora
• †Crurithyris
• †Crurithyris planoconvexa
• †Cryptolithus
• †Cryptolithus tesselata
• †Ctenacanthus
• †Ctenacanthus compressus
• †Ctenerpeton
• †Ctenerpeton remex – type locality for species
• †Ctenobolbina
• †Ctenobolbina ciliata
• †Ctenobolbina duryi
• †Ctenobolbina hammeli
• †Ctenodonta
• †Ctenodonta madisonensis
• †Ctenodonta recurva
• †Ctenospondylus
• †Ctenospondylus ninevehensis
• †Cuffeyella
• †Cuffeyella arachnoidea
• †Cunctocrinus
• †Cunctocrinus fortunatus – type locality for species
• †Cuneamya
• †Cuneamya elliptica
• †Cuneamya miamiensis
• †Cuneamya scapha
• †Cupularostrum
• †Cupularostrum prolificum
• †Cupulocrinus
• †Cycloconcha
• †Cyclocystoides
• †Cyclogranisporites
• †Cyclogranisporites microgranus
• †Cyclogranisporites minutus
• †Cyclogranisporites obliquus
• †Cyclogranisporites orbicularis
• †Cyclonema
• †Cyclonema bilix
• †Cyclonema gyronemoides
• †Cyclonema humerosum
• †Cyclonema minuta
• †Cyclopteris
• †Cyclopteris orbicularis
• †Cyclopteris trichomanoides
• †Cyclora
• †Cyclora depressa
• †Cyclora hoffmani
• †Cyclora parvula
• †Cyclora pulcella
• †Cyclozyga
• †Cyclozyga attenuata – type locality for species
• †Cyclozyga mirabilis
• †Cylindrocoelia
• †Cylindrophyllum
• †Cylindrophyllum delicatulum
• †Cylindrophyllum delicatum
• †Cylindrophyllum profundum
• †Cymatiosphaera
• †Cymatiosphaera acinosa
• †Cymatiosphaera adaiochorata
• †Cymatiosphaera brevicrista
• †Cymatiosphaera daioariochora
• †Cymatiosphaera labyrinthica
• †Cymatiosphaera parvicarina
• †Cymatiosphaera rhacoamba
• †Cymatiosphaera velicarina
• †Cymatonota
• †Cymatonota constricta
• †Cymatonota cylindrica
• †Cymatonota parallela
• †Cymatonota recta
• †Cymatonota semistriata
• †Cymatospira
• †Cymatospira alternodosa – type locality for species
• †Cymatospira montfortianus
• †Cyperites
• †Cyphotrypa
• †Cyphotrypa clarksvillensis
• †Cypricardinia
• †Cypricardinia indenta
• Cypridina
• †Cypridina herzeri
• †Cyrtentactinia
• †Cyrtentactinia cibdelosphaera
• †Cyrtentactinia primotica
• †Cyrtina
• †Cyrtina alpenensis
• †Cyrtina hamiltonensis
• †Cyrtina umbonata
• †Cyrtocerina
• †Cyrtodonta
• †Cyrtodonta halli
• †Cyrtodontula
• †Cyrtolites
• †Cyrtolites claysferryensis
• †Cyrtolites inornatum
• †Cyrtolites ornatus
• †Cyrtolites retrorsus
• †Cyrtospira
• †Cyrtospira directus
• †Cyrtospirifer
• †Cystaster
• †Cystiphylloides
• †Cystiphylloides americanum
• †Cystodictya
• †Cystodictya hamiltonensis
• †Cystodictya incisurata
• Cythere
• †Cythere ohioensis
• Cytherella
• †Cytherella unioniformis

D

• †Dalmanella
• †Danaeites
• †Danaeites emersonii
• †Decadocrinus
• †Decadocrinus hughwingi
• †Decadocrinus stewartae
• †Decadocrinus wrightae
• †Deceptrix
• †Deceptrix albertina
• †Dechenella
• †Dechenella alpenensis
• †Dechenella lucasensis
• †Dekayella
• †Dekayia
• †Deltodus
• †Deltoidospora
• †Deltoidospora levis
• †Deltoidospora priddyi
• †Denayella
• †Denayella rotalia
• †Dendrocrinus
• †Dendrocrinus daytonensis
• †Derbyia
• †Derbyia crassa
• †Dermatostroma
• †Dermatostroma scabrum
• †Desmoinesia
• †Desmoinesia muricatina
• †Devonalosia
• †Devonalosia wrightorum
• †Devonochonetes
• †Devonochonetes coronatus
• †Devonochonetes fragilis
• †Devonochonetes scitulus
• †Devonorhineoderma
• †Devonorhineoderma hyphantes
• †Diaphorochroa
• †Diaphorochroa ganglia
• †Dicalamophyllum
• †Diceratosaurus
• †Diceratosaurus brevirostris – type locality for species
• †Dicranopora
• †Dicranopora emacerata
• †Dictyoclostus
• †Dictyoclostus semireticulatus
• †Dictyonema
• †Dictyotomaria
• †Dictyotomaria capillaria
• †Dictyotomaria scitula – or unidentified comparable form
• †Diestoceras
• †Diestoceras eos
• †Diestoceras indianense
• †Diestoceras shideleri
• †Diexallophasis
• †Diexallophasis absona
• †Diexallophasis cuspidis
• †Dinichthys
• †Dinichthys herzeri
• †Dinophyllum
• †Dinophyllum semilunum
• †Dinophyllum stokesi
• †Dinorthis
• †Dinorthis carleyi
• †Diphyphyllum
• †Diploceraspis
• †Diplograptus
• †Diplograptus recurrens
• Discina
• †Discotrypa
• †Dithyrocaris
• †Dithyrocaris neptuni – or unidentified comparable form
• †Ditomopyge
• †Ditomopyge decurtata
• †Ditomopyge scitula
• †Divietipellis
• †Divietipellis robusta
• †Dolichopterus
• †Dolichopterus asperatus
• †Donaldiella
• †Donaldina
• †Donaldina bellilineata – or unidentified comparable form
• †Donaldina pygmaea – tentative report
• †Donaldina robusta – type locality for species
• †Donaldina stevensana – type locality for species
• †Dorsennidium
• †Dorsennidium patulum
• †Doryblatta – type locality for genus
• †Doryblatta longipennis – type locality for species
• †Douvillina
• †Douvillina distans
• †Drepanella
• †Drepanella richardsoni
• †Drepanoistodus
• †Drymocrinus
• †Drymocrinus geniculatus
• †Dunbarella
• †Dunbarella knighti – or unidentified comparable form
• †Dunbarella striata
• †Dunkleosteus
• †Dunkleosteus raveri – type locality for species
• †Dvorakia
• †Dystactocrinus
• †Dystactocrinus constrictus
• †Dystactospongia

E

• †Ecclimadictyon
• †Ecdyceras
• †Ecdyceras foerstei
• †Echinocaris
• †Echinocaris multinodosa
• †Echinocaris multispinosis
• †Echinocaris ohioensis – type locality for species
• †Echinocaris pulchra – type locality for species
• †Echinocaris punctata
• †Echinocaris sublevis
• †Echinocoelia
• †Echinoconchus
• †Echinoconchus punctatus
• †Echinolichas
• †Echinolichas lucasensis
• †Ecmelostoiba
• †Ecmelostoiba asymmetrica
• †Ecmelostoiba leptoderma
• †Economolopsis
• †Economolopsis anodontoides
• †Ectenocrinus
• †Ectenocrinus simplex
• †Ecthymabrachion
• †Ecthymabrachion camptos
• †Edmondia
• †Edmondia aspenwallensis
• †Edmondia aspinwallensis
• †Edmondia nebrascensis
• †Edmondia nodulifera – type locality for species
• †Edon
• †Edon oblonga
• †Elasmonema
• †Elasmonema bellatula
• †Elasmonema clarki
• †Elasmonema corrugata – type locality for species
• †Elasmonema imitator
• †Elasmonema lichas
• †Eldredgeops
• †Eldredgeops rana
• †Elegantilites – tentative report
• †Elektoriskos
• †Elektoriskos apodasmios
• †Elektoriskos arcetotricus
• †Elektoriskos lasios
• †Eliasopora
• †Eliasopora stellatum
• †Elita
• †Elpe
• †Elpe cincinnatiensis
• †Elpe irregularis
• †Elpe ulrichi
• †Elrodoceras
• †Emmonsia
• †Emmonsia arbuscula
• †Emmonsia radiciformis
• †Endelocrinus
• †Endelocrinus kieri – type locality for species
• †Endoceras
• †Endosporites
• †Endosporites globiformis
• †Endosporites plicatus
• †Endosporites zonalis
• †Endothyra
• †Endothyra kennethi
• †Endothyranella
• †Endothyranella inflata
• †Endothyranella intermissa
• †Endothyranella minuta – or unidentified comparable form
• †Endothyranella nitida – or unidentified comparable form
• †Endothyranella stormi – or unidentified comparable form
• †Entactinia
• †Entactinia additiva
• †Entactinia cometes
• †Entactinia crustescens
• †Entactinia exilispina
• †Entactinia herculea
• †Entactinia micula
• †Entactinia monalloea
• †Entactinia pantosompha
• †Entactinia paula
• †Entactinia quantilla
• †Entactinia somphorhips
• †Entactinia spongites
• †Entactinia sychnacanthina
• †Entactinosphaera
• †Entactinosphaera diplostraca
• †Entactinosphaera dystactotata
• †Entactinosphaera echinata – tentative report
• †Entactinosphaera erebenna
• †Entactinosphaera esostrongyla
• †Entactinosphaera euthlasta
• †Entactinosphaera fredericki
• †Entactinosphaera hapala
• †Entactinosphaera hystricosa
• †Entactinosphaera inusitata
• †Entactinosphaera polyacanthina
• †Entactinosphaera riedeli
• †Entactinosphaera symphypora
• †Entactinosphaera tretactinia
• †Entactinosphaera variacanthina
• †Entactinosphaerap
• †Entactinosphaerap alimbola
• †Enteletes
• †Enteletes hemiplicata
• †Eochonetes
• †Eochonetes clarksvillensis
• †Eochonetes clarkvillensis
• †Eomarginifera
• †Eomarginifera longispinus
• †Eomyelodactylus
• †Eomyelodactylus rotundatus
• †Eomylodactylus
• †Eomylodactylus rotundatus
• †Eotrophina
• †Ephelopalla
• †Ephelopalla elongata
• †Ephelopalla talea
• †Erettopterus
• †Erettopterus saetiger
• †Eridoconcha
• †Eridoconcha rugosa
• †Eridorthis
• †Eridotrypa
• †Erisocrinus
• †Erisocrinus typus
• †Erpetosaurus
• †Erpetosaurus radiatus – type locality for species
• †Escharopora
• †Estiastra
• †Estiastra culcita
• †Estiastra dilatostella
• †Estiastra rugosa
• †Eucalyptocrinites
• †Euchondria
• †Euchondria neglecta
• †Euchondria ohioensis – type locality for species
• †Euchondria pellucida
• †Euconospira
• †Euconospira turbiniformis
• †Eunicites
• †Euomphalus
• †Euomphalus planodorsatus
• †Euomphalus similis
• †Euphemites
• †Euphemites carbonarius
• †Euphemites enodis – type locality for species
• †Euphemites multiliratus – type locality for species
• †Euphemites nodocarinatus
• †Euphemites subglobosus
• †Euphemites vittatus
• †Eurymya
• †Euryocrinus – tentative report
• †Euryocrinus laddii
• †Eurypterus
• †Eurypterus ornatus
• †Eusauropleura – type locality for genus
• †Eusauropleura digitata – type locality for species
• †Eutaxocrinus
• †Eutaxocrinus wideneri
• †Evenkiella
• †Exilisphaeridium
• †Exilisphaeridium simplex
• †Exochoderma
• †Exochoderma irregulare
• †Exochoderma ramibrachium

F

• †Faberia
• †Faberia anomala
• †Faberoceras
• †Favistella
• †Favosites
• †Favosites dentistabulatus
• †Favosites discoideus
• †Favosites favosus
• †Favosites hamiltonae
• †Favosites hamiltoniae
• †Favosites hisingeri
• †Favosites turbinatus
• †Fayettoceras
• †Fenestella
• †Fenestella shumardi
• †Fenestrellina
• †Fenestrellina rockportensis
• †Fistulipora
• †Fistulipora vesiculata
• †Flexicalymene
• †Flexicalymene meeki
• †Florinites
• †Florinites florini
• †Florinites mediapudens
• †Florinites milloti
• †Florinites similis
• †Florinites visendus
• †Foerstia
• †Foerstia ohioensis
• †Fusispira
• †Fusulina
• †Fusulina secalica

0 Links

G

• †Gamizyga
• †Gamizyga corpulentissima
• †Gamizyga girtyi – type locality for species
• †Gamizyga morningstarae
• †Gerablattina
• †Gerablattina richmondiana – type locality for species
• †Gigantopteris – or unidentified comparable form
• †Gilbertsocrinus
• †Gilbertsocrinus alpenensis
• †Gilbertsocrinus ohioensis
• †Gillespieisporites
• †Gillespieisporites venustus
• †Girtyspira
• †Girtyspira minuta
• †Glabrocingulum
• †Glabrocingulum beedei – type locality for species
• †Glabrocingulum grayvillense
• †Glabrocingulum stellaeformis
• †Glabrocingulum wannense – or unidentified comparable form
• †Globodoma
• †Globodoma nodosa
• †Globozyga
• †Globozyga reticulata
• †Globozyga subcorpulenta – type locality for species
• †Glossites
• †Glossites subtenuis
• †Glyptocardia
• †Glyptocardia speciosa
• †Glyptocrinus
• †Glyptocrinus richardsoni
• †Glyptorthis
• †Glyptorthis daytonensis – type locality for species
• †Glyptorthis fausta – type locality for species
• †Glyptorthis insculpta
• †Gomphostrobus
• †Goniasma
• †Goniasma lasallense – or unidentified comparable form
• †Gonioloboceras
• †Gorbyoceras
• †Gorogonisphaeridium
• †Gorogonisphaeridium absitum
• †Gorogonisphaeridium elongatum
• †Gorogonisphaeridium evexispinosum
• †Gorogonisphaeridium ohioense
• †Gorogonisphaeridium plerispinosum
• †Gorogonisphaeridium separatum
• †Gosseletia
• †Gosseletia triquetra
• †Gosselettia
• †Gosselettia triquetra
• †Graciloceras
• †Grammysia
• †Grammysia arcuata
• †Grammysia bellatula
• †Grammysia bisulcata
• †Grammysia constricta
• †Grammysia nodocostata
• †Grammysia sylvanensis
• †Grammysioidea
• †Granasporites
• †Granasporites medius
• †Granulatisporites
• †Granulatisporites granulatus
• †Granulatisporites minutus
• †Granulatisporites parvus
• †Granulatisporites piroformis
• †Graptodictya
• †Graptodictya perelegans
• †Grewingkia
• †Grewingkia rusticum
• †Guttatisphaeridium
• †Guttatisphaeridium pandum
• †Gypidula

H

• †Habrostroma
• †Habrostroma beachvillensis
• †Habrostroma larocquei
• †Habrostroma marpleae
• †Hallinetes
• †Hallinetes setigera
• †Hallopora
• †Hallopora bassleri
• †Hallopora flabellaris
• †Hallopora libana
• †Hallopora nicklesi
• †Hallopora subnodosa
• †Halysites
• †Halysites catenularis
• †Halysites catenularius
• †Halysites nitidus
• †Hamiltonella
• †Hamiltonella punctulifera
• †Haplentactinia
• †Haplentactinia arrhinia
• †Haplentactinia rhinophyusa
• †Hawletrochus
• †Hawletrochus macrostomus
• †Hebertella
• †Hebertella alveata
• †Hebertella occidentalis
• †Hebertella sinuata
• †Hebertella subjugata
• †Hebertocaris
• †Hebertocaris wideneri
• †Hederella
• †Hederella alpenensis
• †Hederella bilineata
• †Hederella cirrhosa
• †Hederella concinnoides
• †Hederella delicatula
• †Hederella filiformis
• †Hederella magna
• †Hederella parvirugosa
• †Hederella rectifurcata
• †Hederella reimanni
• †Hederella thedfordensis
• †Hederella vagans
• †Helcionopsis
• †Helicelasma
• †Helicelasma rusticum
• †Helicotoma
• †Heliolites
• †Heliophyllum
• †Heliophyllum bathycalyx
• †Heliophyllum halli
• †Heliophyllum microcarinatum
• †Helminthochiton
• †Helminthochiton simplex
• †Helminthozyga
• †Helminthozyga costellata – type locality for species
• †Helminthozyga undulata – type locality for species
• †Helopora
• †Helopora inexpectata
• †Hemicystites
• †Hemiphragma
• †Hemizyga
• †Hemizyga attenuata
• †Hemizyga elegans – or unidentified comparable form
• †Hemizyga illineata – or unidentified comparable form
• †Heracloceras – tentative report
• †Heracloceras inelegans – tentative report
• †Hercostrophia
• †Hercostrophia robusta
• †Heslerodus
• †Heslerodus divergens
• †Hessonia
• †Hessonia priscus
• †Heterocrinus
• †Heterocrinus exiguus
• †Heterocrinus exilis
• †Heterocrinus heterodactylus
• †Heterocrinus juvenis
• †Heterocrinus pentagonus
• †Heteronema – tentative report
• †Heterophrentis
• †Heterophrentis simplex
• †Heterorthina
• †Heterorthina fairmountensis
• †Heterotrypa
• †Hexagonaria
• †Hexagonaria anna
• †Hexagonaria stewartae
• †Hexagonaria tabulata
• †Hexagonaria truncata
• †Hexameroceras
• †Hindella
• †Hindia
• †Hippocardia
• †Hippocardia herricki – type locality for species
• †Hippocardia hydei – type locality for species
• †Hippocardia monroica
• †Hippocardia ohioense
• †Hiscobeccus
• †Hiscobeccus capax
• †Hoareicardia
• †Hoareicardia cunea
• †Holoeciscus
• †Holoeciscus auceps
• †Holopea
• †Holoptychus – or unidentified comparable form
• †Holtedahlina
• †Holtedahlina sulcata
• †Homotrypa
• †Homotrypa wortheni
• †Homotrypella
• †Homotrypella dubia
• †Hormotoma
• †Hormotoma centervillensis – type locality for species
• †Hormotomina
• †Hormotomina maia
• †Hudsonaster
• †Hudsonaster incomptus
• †Hustedia
• †Hustedia mormoni
• †Hyattidina
• †Hyolithes
• †Hyolithes dubius
• †Hyolithes parviusculus
• †Hyolithes versaillensis
• †Hypergonia
• †Hypergonia jonathanensis – type locality for species
• †Hyperoblastus
• †Hyperoblastus reimanni
• †Hyphantozyga
• †Hyphantozyga cancellata – type locality for species
• †Hyphantozyga fusiforma – type locality for species
• †Hyphantozyga gracilis
• †Hyphantozyga grandis – type locality for species
• †Hyphantozyga knighti
• †Hyphantozyga perattenuata
• †Hyphantozyga pulchra
• †Hyphantozyga textilis – type locality for species
• †Hypselentoma
• †Hypselentoma inornata
• †Hystriculina
• †Hystriculina wabashensis

I

• †Ianthinopsis
• †Ianthinopsis melanoides – type locality for species
• †Ibanocrinus
• †Ibanocrinus petalos
• †Ichthyerpeton
• †Ichthyerpeton squamosum – type locality for species
• †Icriodus
• †Icriodus angustus
• †Icriodus arkonensis
• †Icriodus brevis
• †Icriodus eriensis
• †Icriodus excavatus
• †Icriodus expansus
• †Icriodus janeae
• †Icriodus lindensis
• †Icriodus obliquimarginatus
• †Icriodus ohioensis
• †Icriodus platyobliquimarginatus
• †Icriodus regularicrescens
• †Indospora
• †Indospora stewartii
• †Intrapora
• †Intrapora irregularis
• †Iocrinus
• †Ischyrodonta
• †Ischyrodonta truncata
• †Ischyrodonta unionoides
• †Isodectes
• †Isodectes obtusus – type locality for species
• †Isonema
• †Isonema depressum
• †Isorophus
• †Isorophus austini
• †Isorophus holbrooki
• †Isorophus warrenensis
• †Isorthoceras
• †Isorthoceras albersi
• †Isotelus
• †Isotelus maximus
• †Isotelus megistos

J

• †Jedria
• †Jedria ventrica
• †Jonesella
• †Jonesella crepidiformis
• †Jonesella pedigera
• †Jonesites
• †Jonesites inornatus
• †Jonesites marginatus
• †Jugiaster
• †Jugiaster speciosus
• †Juresania
• †Juresania ovalis

K

• †Kindleoceras
• †Kionoceras
• †Kockelella
• †Kockelella ortus
• †Kockelella ranuliformis
• †Kockelella walliseri
• †Kophinocrinus – tentative report
• †Kophinocrinus magrumi – tentative report
• †Kyreocrinus
• †Kyreocrinus constellatus

L

• †Labechia
• †Laccoprimitia
• †Laccoprimitia centralis
• †Laevigatosporites
• †Laevigatosporites desmoinesensis
• †Laevigatosporites globosus
• †Laevigatosporites medius
• †Laevigatosporites minimus
• †Laevigatosporites minor
• †Laevigatosporites ovalis
• †Laevigatosporites subadnatoides
• †Laevigatosporites vulgaris
• †Lambeoceras
• †Lanthanaster
• †Lanthanaster cruciformis – type locality for species
• †Lasiograptus
• †Latericriodus
• †Latericriodus latericrescens
• †Latosporites
• †Latosporites minutus
• †Lechritrochoceras
• †Leioclema
• †Leioclema alpenense
• †Leioclema alpense
• †Leiorhynchus
• †Leiorhynchus kelloggi
• †Leiorhynchus laura
• †Leiorhynchus lucasi
• †Leiosphaeridia
• †Leiotriletes
• †Leiotriletes granoornatus
• †Leiotriletes levis
• †Leiotriletes microsaetosus
• †Leiotriletes pseudaculeatus
• †Leiotriletes subadnatoides
• †Lepadocystis
• †Leperditia
• †Leperditia glabra
• †Lepidocoleus
• †Lepidocyclus
• †Lepidocyclus perlamellosum
• †Lepidocystis
• †Lepidodendron
• †Lepidodendron aculeatum
• †Lepidodendron andrewsi
• †Lepidodendron jaraczewskii – or unidentified comparable form
• †Lepidodendron scutatum
• †Lepidolites
• †Lepidophloios
• †Lepidophloios larcinus
• †Lepidophloios vaningeni
• †Lepidostrobophyllum
• †Leptaena
• †Leptaena gibbosa
• †Leptaena richmondensis
• †Leptobolus
• †Leptobolus insignis
• †Leptodesma
• †Leptodesma ausablensis
• †Leptodesma matheri – or unidentified comparable form
• †Leptodesma rhysema – type locality for species
• †Leptograptus
• †Leptophractus – type locality for genus
• †Leptophractus obsoletus – type locality for species
• †Leptopoterion
• †Leptoptygma
• †Leptoptygma newtonensis – type locality for species
• †Leptotrypa
• †Leptotrypella
• †Leptotrypella ohioensis
• †Lescuropteris
• †Lescuropteris moorii
• †Levizygopleura
• †Levizygopleura inornata
• †Levizygopleura williamsi
• †Lichenocrinus
• †Lichenocrinus tuberculata
• †Limipecten
• †Limipecten lamellus – type locality for species
• †Limoptera
• †Limoptera curvata
• †Limoptera macroptera
• Lingula
• †Lingula carbonaria
• †Lingula meeki
• †Lingula melie
• †Lingulichnus
• †Lingulops
• †Linoproductus
• †Linoproductus cora
• †Linoproductus prattenianus
• †Linopteris
• †Linopteris muensteri
• †Linopteris neuropteroides
• †Lioclemella
• †Liospira
• †Liospira affinis
• †Liospira depressum – type locality for species
• †Liroceras – tentative report
• †Lodanaria
• †Lodanaria quadricarinata – type locality for species
• †Logocrinus – tentative report
• †Logocrinus brandoni – tentative report
• †Longispina
• †Longispina lissohybus
• †Longstaffia – tentative report
• †Longstaffia centervillensis – type locality for species
• †Lopholasma
• †Lopholasma delawarensis
• †Lophonychia
• †Lophonychia cordata
• †Lophophyllidium
• †Lophophyllidium profundum
• †Lophospira
• †Lophospira milleri
• †Lophospira perangulata
• †Lophotriletes
• †Lophotriletes granoornatus
• †Loxomma
• †Loxomma lintonensis – type locality for species
• †Loxonema
• †Loxonema pikensis
• †Loxoplocus
• †Loxoplocus gothlandicus – type locality for species
• †Lycospora
• †Lycospora granulata
• †Lycospora micropapillata
• †Lycospora orbicula
• †Lycospora pellucida
• †Lycospora pusilla
• †Lycospora subjuga
• †Lycospora torquifer
• †Lyopora
• †Lyopora goldfussi
• †Lyriopecten
• †Lyriopecten mitchelli
• †Lyrodesma
• †Lyrodesma major

M

• †Macrerpeton
• †Macrerpeton huxleyi – type locality for species
• †Macrochilina
• †Macrochilina humilis
• †Maelonoceras
• †Manitoulinoceras
• †Manitoulinoceras gyroforme
• †Manitoulinoceras williamsae
• †Manticoceras
• †Manticrinus
• †Manticrinus exaitos
• †Marsupiocrinus
• †Maryonychia
• †Maryonychia concordensis
• †Mastigograptus
• †Mastigograptus strictus
• †Mazostachys
• †Mazostachys compacta – type locality for species
• †Mediospirifer
• †Mediospirifer audaculus
• †Meekopinna
• †Meekopinna americana
• †Meekospira
• †Meekospira peracuta
• †Megacanthopora
• †Megacanthopora fallacis – or unidentified comparable form
• †Megacystites
• †Megalocephalus – type locality for genus
• †Megalocephalus lineolatus – type locality for species
• †Megalograptus
• †Megastrophia
• †Megastrophia concava
• †Megistocrinus
• †Megistocrinus depressus
• †Melocrinus
• †Melocrinus clarkei
• †Meristospira
• †Meristospira michiganensis
• †Merocrinus
• †Mesocoelia
• †Mesocoelia obstipisutura
• †Mesopalaeaster
• †Mesopalaeaster finei
• †Mesopalaeaster wilberanus
• †Mesothyra
• †Mesotrypa
• †Mesotrypa orbiculata
• †Metaxys
• †Metaxys fossa – type locality for species
• †Miamoceras
• †Michelinoceras
• †Micrhystridium
• †Micrhystridium adductum
• †Micrhystridium complurispinosum
• †Micrhystridium erugatum
• †Micrhystridium flexibile
• †Micrhystridium inusitatum
• †Micrhystridium profusam
• †Microceras
• †Microdoma
• †Microdoma tricarinatus
• †Microptychis
• †Microptychis cerithiformis
• †Microptychis expetendus
• †Microptychis occabus – type locality for species
• †Microptychis turbineus
• †Microreticulatisporites
• †Microreticulatisporites harrisonii
• †Microreticulatisporites nobilis
• †Microreticulatisporites sulcatus
• †Milleratia
• †Mitrospermum
• †Mitrospermum vinculum
• †Mixoneura
• †Modiolodon
• †Modiolodon subovalis
• †Modiolopsis
• †Modiolopsis capax
• †Modiolopsis modiolaris
• †Modiolopsis versaillesensis
• Modiolus
• †Modiolus fountainensis
• †Modiolus radiatus – type locality for species
• †Modiolus waverliensis
• †Modiomorpha
• †Modiomorpha concentrica
• †Modiomorpha concentricum
• †Modiomorpha mytiloides
• †Modiomorpha subalata
• †Modiomorpha subalta
• †Molgophis – type locality for genus
• †Molgophis macrurus – type locality for species
• †Monotrypa
• †Monticulipora
• †Mourlonia
• †Mourlonia plena
• †Mourlonia textus
• †Mucrospirifer
• †Mucrospirifer alpenensis
• †Mucrospirifer grabaui – or unidentified comparable form
• †Mucrospirifer mucronatus
• †Mucrospirifer prolificus
• †Multiplicisphaeridium
• †Multiplicisphaeridium anastomosis
• †Multiplicisphaeridium verrucarum
• †Muraticavea
• †Muraticavea enteichia
• †Murchisonia
• †Murchisonia anderdoniae
• †Murchisonia dublinensis – type locality for species
• †Murchisonia gracilicrista
• †Murchisonia intermedia – type locality for species
• †Murchisonia leda
• †Murchisonia minuta
• †Murchisonia sibleyensis
• †Murchisonia subcarinata
• †Murchisonia subulata
• †Myalina
• †Myalina pernaformis
• †Myelodactylus – or unidentified comparable form
• †Mytilarca
• †Mytilarca cordata

N

• †Naevisphaeridium
• †Naevisphaeridium plenilunium
• †Narthecoceras
• †Narthecoceras dunni – type locality for species
• †Naticopsis
• †Naticopsis aequistriata – type locality for species
• †Naticopsis comperta
• †Naticopsis genevievensis
• †Naticopsis levis
• †Naticopsis ziczac – type locality for species
• †Navifusa
• †Navifusa drosera
• †Neilsonia
• †Neilsonia uninodocarinata
• †Neochonetes
• †Neochonetes granulifer
• †Neochonetes variolata
• †Neospirifer
• †Neospirifer cameratus
• †Neospirifer dunbari
• †Nephriticeras – tentative report
• †Nereidavus
• †Nereidavus varians
• †Neumatoceras
• †Neuropteris
• †Neuropteris heterophylla
• †Neuropteris ovata
• †Neuropteris scheuchzeri
• †Nicholsonella
• †Nicholsonella peculiaris
• †Nicollidina
• †Nicollidina remscheidensis
• †Nodonema
• †Nodonema granulatum
• †Nucleocrinus
• †Nucleocrinus elegans – or unidentified comparable form
• Nucula
• †Nucula corbuliformis
• Nuculana
• †Nucularca
• †Nucularca cingulata
• †Nuculites
• †Nuculites faberi
• †Nuculites fabula
• †Nuculites oblongatus
• †Nuculites triqueter
• †Nuculopsis
• †Nuculopsis beyrichi
• †Nuculopsis elongata
• †Nuculopsis girtyi
• †Nuculopsis shumardana – or unidentified related form
• † Nyassa
• †Nyassa recta

O

• †Odonterpeton – type locality for genus
• †Odonterpeton triangulare – type locality for species
• †Odontopleura
• †Odontopteris
• †Odontopteris aequalis
• †Odontopteris brardii
• †Oehlertella
• †Oehlertella stoutella
• †Oestocephalus – type locality for genus
• †Oestocephalus amphiuminum – type locality for species
• †Ohiocrinus
• †Ohiocrinus laxus
• †Ohiocrinus oehanus
• †Olenoides
• †Onchus
• †Oncoceras
• †Onniella
• †Onychochilus
• †Onychochilus abruptum – type locality for species
• †Oomoceras
• †Ophiacodon
• †Ophiacodon uniformis – or unidentified comparable form
• †Opisthoptera
• †Opsiocrinus
• †Opsiocrinus mariae
• †Orbiculoidea
• †Orbiculoidea capuliformis
• †Orbiculoidea herzeri
• †Orbiculoidea missouriensis
• †Orbiculoidea newberryi
• †Orthis – tentative report
• †Orthoceras
• †Orthoceras trusitum
• †Orthoceras type locality for species – informal
• †Orthodesma
• †Orthodesma canaliculatum
• †Orthonema
• †Orthonema salteri
• †Orthonema subtaeniatum
• †Orthonota
• †Orthonota undulata
• †Orthonybyoceras – tentative report
• †Orthonychia
• †Orthonychia chesterense – tentative report
• †Orthonychia herzeri
• †Orthonychia infabricatus – type locality for species
• †Orthonychia parva
• †Orthonychia sciotoensis – type locality for species
• †Orthonychia waverlyensis
• †Orthopleura
• †Orthorhynchula
• †Orthorhynchula linneyi
• †Ortonella
• †Oulodus
• †Oulodus equirectis
• †Oulodus equirectus
• †Oxyprora
• †Oxyprora missouriensis
• †Ozarkodina
• †Ozarkodina bohemica
• †Ozarkodina confluens
• †Ozarkodina remscheidenesis
• †Ozarkodina sagitta
• †Ozarkodina tillmani

P

• †Pachydictya
• †Pachydictya bifurcata
• †Paiderocrinus
• †Paiderocrinus asketos
• †Paiderocrinus ochthos
• †Palacanthus
• †Palacanthus acutus
• †Palaeocapulus
• †Palaeocapulus equilateralis
• †Palaeocapulus morsei – type locality for species
• †Palaeoconcha
• †Palaeolima
• †Palaeolima retifera
• †Palaeolima triplistriata
• †Palaeoneilo
• †Palaeoneilo bedfordensis
• †Palaeoneilo bownockeri
• †Palaeoneilo constricta – or unidentified related form
• †Palaeoneilo oweni
• †Palaeonucula
• †Palaeonucula lunulata – type locality for species
• †Palaeonucula subrotundata
• †Palaeopalaemon
• †Palaeopalaemon elegans – type locality for species
• †Palaeophycus
• †Palaeoporites
• †Palaeoscenidium
• †Palaeoscenidium cladophorum
• †Palaeoscenidium quadriramosum
• †Palaeostachya
• †Palaeostachya aperta
• †Palaeostachya decacnema
• †Palaeostachya elongata
• †Palaeostachya ovalis
• †Palaeostachya trabeculata – type locality for species
• †Palaeostylus
• †Palaeostylus marvinwelleri
• †Palaeostylus minuta
• †Palaeostylus venustus
• †Palaeotrochus
• †Palaeotrochus kearnyi
• †Palaeozygopleura
• †Palaeozygopleura hamiltoniae
• †Palaeozygopleura joani
• †Palaeozygopleura laeviusculum
• †Palaeozygopleura parvula
• †Palaeozygopleura sibleyensis
• †Paleofavosites
• †Paleofavosites prolificus
• †paleoporites
• †Paleschara
• †Paliphyllum
• †Paliphyllum brassfieldense
• †Paliphyllum primarium
• †Paliphyllum regulare
• †Panderodus
• †Panderodus unicostatus
• †Paracyclas
• †Paracyclas lirata
• †Paracyclas proavia
• †Paracyrtolites
• †Paracyrtolites carinatus
• †Paragoniozona
• †Paragoniozona granulostriata – or unidentified comparable form
• †Parajuresania
• †Parajuresania nebrascensis
• †Paraliospira
• †Paraliospira rugata
• †Parallelocrinus
• †Parallelocrinus sturgeoni – type locality for species
• †Parallelodon
• †Parallelodon irvinensis
• †Parallelodon obsoletus
• †Parallelodon tenuistriatus
• †Paraspirifer
• †Paraspirifer bownockeri
• †Parazyga
• †Parvohallopora
• †Parvohallopora onealli
• †Parvohallopora ramosa
• †Pasceolus
• †Pasceolus camdenensis
• †Patellilabia
• †Patelliocrinus – type locality for genus
• †Patelliocrinus planus – type locality for species
• †Pattersonia
• †Paupospira
• †Paupospira bowdeni
• †Paupospira trilineata – type locality for species
• †Paupospira tropidophora
• †Pecopteris
• †Pecopteris arborescens
• †Pecopteris candolleana
• †Pecopteris cyathea
• †Pecopteris hemitelioides
• †Pecopteris lamuriana
• †Pecopteris miltonii
• †Pecopteris unita
• †Penniretepora
• †Penniretepora irregularis – or unidentified comparable form
• †Pennoceras
• †Pennoceras seamani
• †Pentamerus
• †Permophorus
• †Permophorus oblongus
• †Permophorus subcostatus
• †Permophorus tropidophorus
• †Pernopecten
• †Pernopecten ohioensis
• †Pernopecten prosseri
• †Peronopora
• †Peronopora decipiens
• †Petalodus
• †Petalodus ohioensis
• †Petigopora
• †Petigopora offfula
• †Petraster
• †Petrocrania
• †Petrocrania hamiltonensis
• †Petrocrania laelia
• †Petrocrania modesta
• †Petrocrania scabiosa
• †Petrozium
• †Petrozium pelagicum
• †Pharkidonotus
• †Pharkidonotus breyeri – type locality for species
• †Pharkidonotus labioreflexus – type locality for species
• †Pharkidonotus percarinatus
• †Phestia
• †Phestia inflata
• †Phestia pandoraeformis
• †Philhedra
• †Philhedra crenistriatula
• †Phlegethontia – type locality for genus
• †Phlegethontia linearis – type locality for species
• †Phlegethontia longissima – type locality for species
• †Pholadella
• †Pholadella radiata
• †Pholadomorpha
• †Pholadomorpha pholadiformis
• †Pholidops
• †Pholidostrophia
• †Pholidostrophia geniculata
• †Pholidostrophia gracilis
• †Pholidostrophia nacrea
• †Phragmoceras
• †Phragmolites
• †Phragmolites elegans – type locality for species
• †Phragmosphaera
• †Phragmosphaera lyra
• †Phylloporina
• †Phyloblatta
• †Phyloblatta jeffersoniana – type locality for species
• †Phymatopleura
• †Phymatopleura brazoensis
• †Phymatopleura nodosa
• †Phyrgilocrinus
• †Phyrgilocrinus batheri
• †Phyrtosaster – type locality for genus
• †Phyrtosaster casteri – type locality for species
• †Physonemus
• †Physonemus striatus – or unidentified comparable form
• †Physotomya
• †Pianodesma
• Pinna
• †Pinna missouriensis
• †Pityosporites
• †Pityosporites westphalensis
• †Placopterina
• †Placopterina ohioensis – type locality for species
• †Plaesiomys
• †Plaesiomys subquadrata
• †Plagiascetus – type locality for genus
• †Plagiascetus lateralis – type locality for species
• †Plagioglypta
• †Planalveolitella
• †Planalveolitella parasitica
• †Planisporites
• †Planisporites granifer
• †Planoendothyra
• †Planoendothyra associata
• †Planoendothyra evoluta
• †Planoendothyra orbiculata
• †Planoendothyra ovata – or unidentified comparable form
• †Planoendothyra whitesidei – or unidentified comparable form
• †Platyceras
• †Platyceras attenuatum
• †Platyceras bucculentum
• †Platyceras carinatum
• †Platyceras cymbium
• †Platyceras erectum
• †Platyceras lineatum
• †Platyceras nasutum
• †Platyceras rarispinum
• †Platyceras subglobosa – type locality for species
• †Platyceras thetis
• †Platycoryphe
• †Platyrhinops – type locality for genus
• †Platyrhinops lyelli – type locality for species
• †Platystrophia
• †Platystrophia actilirata
• †Platystrophia acutilirata
• †Platystrophia annieana
• †Platystrophia auburnensis
• †Platystrophia clarksvillensis
• †Platystrophia corryvillensis
• †Platystrophia crassa
• †Platystrophia cummingsi
• †Platystrophia cypha
• †Platystrophia elkhornensis
• †Platystrophia foerstei
• †Platystrophia hopensis
• †Platystrophia laticosta
• †Platystrophia moritura
• †Platystrophia morrowensis
• †Platystrophia nitida
• †Platystrophia pauciplicata
• †Platystrophia ponderosa
• †Platystrophia sublaticosta
• †Platystrophia wallowayi
• †Plectodina
• †Plectonotus
• †Plectonotus boucoti
• †Plectorthis
• †Plectorthis aequivalvis
• †Plectorthis fissicosta
• †Plectorthis jamesi
• †Plectorthis neglecta
• †Plectorthis plicatella
• †Plethospira
• †Pleurodictyum
• †Pleurodictyum cornu
• †Pleurodictyum plana
• †Pleuronotus
• †Pleuronotus decewi
• †Pleuroptyx – type locality for genus
• †Pleuroptyx clavatus – type locality for species
• †Pleurorthoceras
• †Pleurorthoceras clarksvillense
• †Plexadictyon
• †Plocezyga
• †Plocezyga acuminata
• †Plocezyga conica
• †Plocezyga cordiformis
• †Plocezyga costata – type locality for species
• †Plocezyga delicata
• †Plocezyga excellens
• †Plocezyga intermedia
• †Plocezyga lineata
• †Plocezyga lirata
• †Plocezyga markae
• †Plocezyga ornata – type locality for species
• †Plocezyga ornatissima
• †Plocezyga percostata
• †Plocezyga perminuta
• †Plocezyga regularia
• †Plocezyga subnodosa
• †Plocezyga turbinata
• †Podolithus
• †Poleumita
• †Poleumita incarinatus
• †Polidevcia
• †Polidevcia bellistriata
• †Polidevcia stevensiana
• †Polyentactinia
• †Polyentactinia craticulata
• †Polyentactinia leptosphaera
• †Polyentactinia plecta
• †Polyentactinia polygonia
• †Polygnathus
• †Polygnathus eiflius
• †Polygnathus intermedius
• †Polygnathus linguiformis
• †Polygnathus pseudofoliatus
• †Polygnathus strongi
• †Polygnathus xylus
• †Polypora
• †Polypora valida – or unidentified comparable form
• Pontocypris
• †Pontocypris acuminata
• †Poroblattina
• †Poroblattina brachyptera – type locality for species
• †Poroblattina lata – type locality for species
• †Poroblattina ohioensis – type locality for species
• †Poroblattina richmondiana – type locality for species
• †Poroblattina rotundata – type locality for species
• †Posidonia
• †Posidonia girtyi
• †Praenucula
• †Primiriopsis
• †Primiriopsis punctulifera
• †Primitia
• †Primitia cincinnatiensis
• †Primitia rudis
• †Primitiella
• †Primitiella claypolei
• †Primitiella whitfieldi
• †Probillingsites
• †Probillingsites lebanonensis
• Proboscina
• †Proboscina auloporoides
• †Proboscina frondosa
• †Proctothylacocrinus
• †Proctothylacocrinus esseri
• †Proctothylacocrinus longus
• †Productus
• †Productus semireticulatua
• †Proetus
• †Promopalaeaster
• †Promopalaeaster granulosus
• †Promopalaeaster wykoffi
• †Promytilus
• †Promytilus pottsvillensis – type locality for species
• †Propora
• †Propora conferta
• †Propora eminula
• †Prosserella
• †Prosserella lucasi
• †Prosserella subtransversa
• †Protaraea
• †Protaraea richmondensis
• †Protarea
• †Protathyris – tentative report
• †Protobalanus
• †Protobalanus spinicoronatus – type locality for species
• †Protocycloceras
• †Protocycloceras rushense
• †Protokionoceras
• †Protoleptostrophia
• †Protoleptostrophia perplana
• †Protosalvinia
• †Protosalvinia arnoldii
• †Protosalvinia ravenna
• †Protoscolex
• †Prototaxites
• †Prototaxites clevelandensis
• †Pseudaviculopecten
• †Pseudaviculopecten fasciculatus
• †Pseudaviculopecten scabridus
• †Pseudoactinodictyon
• †Pseudoactinodictyon stearni
• †Pseudoactinodictyon vagans
• †Pseudoatrypa
• †Pseudoatrypa devoniana
• †Pseudobigalea
• †Pseudobigalea crista
• †Pseudocolpomya
• †Pseudocolpomya miseneri
• †Pseudolingula
• †Pseudomonotis
• †Pseudomonotis equistriata
• †Pseudomonotis hawni
• †Pseudomonotis millhorni – type locality for species
• †Pseudomulceodens
• †Pseudomulceodens cancellatus
• †Pseudooneotodus
• †Pseudooneotodus bicornis
• †Pseudophorus
• †Pseudophorus antiquus
• †Pseudorthoceras
• †Pseudorthoceras knoxense
• †Pseudozygopleura
• †Pseudozygopleura acuminata
• †Pseudozygopleura angustata
• †Pseudozygopleura assertonsoris
• †Pseudozygopleura baltea – type locality for species
• †Pseudozygopleura cirritus
• †Pseudozygopleura contractus
• †Pseudozygopleura deloi
• †Pseudozygopleura eximia
• †Pseudozygopleura funis
• †Pseudozygopleura girtyi
• †Pseudozygopleura gradatus
• †Pseudozygopleura irrugata
• †Pseudozygopleura kellettae – or unidentified comparable form
• †Pseudozygopleura lanceolatus
• †Pseudozygopleura limus
• †Pseudozygopleura macra – or unidentified comparable form
• †Pseudozygopleura mucronatus
• †Pseudozygopleura multicostata – or unidentified comparable form
• †Pseudozygopleura pagoda – or unidentified comparable form
• †Pseudozygopleura palus – type locality for species
• †Pseudozygopleura pandus
• †Pseudozygopleura peoriense
• †Pseudozygopleura pinquicula
• †Pseudozygopleura plummeri – type locality for species
• †Pseudozygopleura pluricostata
• †Pseudozygopleura pugonis
• †Pseudozygopleura pulchra
• †Pseudozygopleura rectus
• †Pseudozygopleura schucherti – or unidentified comparable form
• †Pseudozygopleura scitula
• †Pseudozygopleura scruposus
• †Pseudozygopleura semicostata
• †Pseudozygopleura sinuosior
• †Pseudozygopleura subulatus
• †Pseudozygopleura tenuivirga
• †Pseudozygopleura variegata
• †Psiloconcha
• †Psiloconcha grandis
• †Psiloconcha inornata
• †Psiloconcha sinuata
• †Pterinea
• †Pterinea corrugatus
• †Pterinea demissa
• †Pterinopecten
• †Pterinopecten undosus
• †Pterochiton
• †Pterochiton carbonarius
• †Pterochiton spatulatus
• †Pterospermella
• †Pterospermella capitana
• †Pterospermella latibalteus
• †Pterospermella radiata
• †Pterospermella solis
• †Pterotheca
• †Pterygotus
• †Pterygotus carmani
• †Ptilodictya
• †Ptomatis
• †Ptomatis proteiforme
• †Ptotosalvinia
• †Ptotosalvinia furcata
• †Ptychocarpus
• †Ptychocrinus
• †Ptychomphalina
• †Ptychomphalina lucina
• †Ptychomphalina regulata
• †Ptychopteria
• †Ptychopteria flabellum
• †Ptychospirina
• †Ptychospirina varians
• †Ptyonius
• †Ptyonius marshii – type locality for species
• †Pugnax
• †Pugnax utah
• †Punctatisporites
• †Punctatisporites aerarius
• †Punctatisporites glaber
• †Punctatisporites minutus
• †Punctatisporites obesus
• †Punctatisporties
• †Punctatisporties minutus
• †Punctatosporites
• †Punctatosporites granifer
• †Punctatosporites minutus
• †Punctatosporites rotundus
• †Punctospirifer
• †Punctospirifer kentuckensis
• †Pustula
• †Pustula pertenuis
• †Pustulisphaeridium
• †Pustulisphaeridium levibrachium
• †Pyanomya
• †Pycnocrinus
• †Pyrenomeous

Q

• †Quadrijugator

R

• †Rafinesquina
• †Rafinesquina alternata
• †Rafinesquina loxorhytis
• †Rafinesquina ponderosa
• †Rafinesquina squamula
• †Raistrickia
• †Raistrickia crinita
• †Raistrickia srinita
• †Ramphoprion
• †Raphistoma
• †Rasmussenoceras
• †Reinschospora
• †Reinschospora magnifica
• †Renalcis
• †Reptaria
• †Reptaria stolonifera
• †Reteocrinus
• †Reteporina
• †Reteporina striata
• †Retichonetes
• †Reticulatisporites
• †Reticulatisporites muricatus
• †Retispira
• †Retispira fascireticulatus – type locality for species
• †Retispira tenuilineata
• †Retispira waverliensis
• †Retrorsirostra
• †Retrorsirostra carleyi
• †Rhachicrinus
• †Rhachicrinus wrighti
• †Rhachiopteris
• †Rhapanocrinus
• †Rhegmaphyllum
• †Rhegmaphyllum daytonensis
• †Rhinidictya
• †Rhinocaris
• †Rhinocaris ehlersi
• †Rhipidomella
• †Rhipidomella pecosi
• †Rhipidomella penelope – or unidentified comparable form
• †Rhipidomella trigona
• †Rhipidomella vanuxemi
• †Rhipidothyris
• †Rhizocorallium
• †Rhombodictyon
• †Rhombopora
• †Rhombopora lepidodendroides
• †Rhombotrypa
• †Rhombotrypa subquadrata
• †Rhopolonaria
• †Rhopolonaria venosa
• †Rhynchopora
• †Rhynchotrema
• †Rhynchotrema denatum
• †Rhynchotrema dentatum
• †Rhynchotreta
• †Rhytimya
• †Rhytimya compressa
• †Rhytimya faberi
• †Rhytimya lunulata
• †Rhytimya oehana
• †Rhytimya radiata
• †Richmondoceras
• †Richmondoceras brevicameratum
• †Rizoceras
• †Ropalonaria
• †Royalella
• †Royalella quadrolirata – type locality for species
• †Royalella swallowiana – type locality for species
• †Ruedemannia
• †Ruedemannia trilix – type locality for species
• †Rugomena
• †Rugomena vetusta
• †Rugosochonetes
• †Rusophycus
• †Rusophycus biloba

S

• †Saccella
• †Saccella parva
• †Salpingostoma
• †Salpingostoma richmondensis – tentative report
• †Samaropsis
• †Sanguinolites
• †Sanguinolites cuneatus
• †Sanguinolites hekitoensis – type locality for species
• †Sauropleura – type locality for genus
• †Sauropleura pectinata – type locality for species
• †Schellwienella
• †Schistoceras
• †Schizambon – tentative report
• †Schizoblatta – type locality for genus
• †Schizoblatta alutacea – type locality for species
• †Schizocrania
• †Schizocrania filosa
• †Schizodus
• †Schizodus acuminatus – type locality for species
• †Schizodus affinis
• †Schizodus appressus
• †Schizodus chesterensis – or unidentified comparable form
• †Schizodus curtus
• †Schizodus subcircularis
• †Schizodus wheeleri
• †Schizolopha
• †Schizophoria
• †Schizophoria ferronensis
• †Schizophoria impressa
• †Schlotheimophyllum
• †Schlotheimophyllum benedicti
• †Schlotheimophyllum patellatum
• †Schuchertella
• †Schuchertella interstriata
• †Schuchertoceras
• †Scolithos
• †Scolithos laxata
• †Sedgwickia – tentative report
• †Semicoscinium
• †Semipora – tentative report
• †Semipora ehlersi
• †Septopora
• †Septopora biserialis
• †Septopora robusta
• †Serpulites
• †Serpulospira
• †Serpulospira diversiformis
• †Sevillia
• †Sevillia sevillensis
• †Sevillia trinucleata
• †Shansiella
• †Shansiella beckwithana
• †Shansiella carbonaria
• †Shansiella insecta
• †Shideleroceras
• †Sigillaria
• †Sigillaria brardii
• †Sigillaria elegans
• †Sigillaria ficoides
• †Sigillaria lacoei
• †Sigillaria laurenciana
• †Sigillaria mamillaris
• †Sigillaria orbicularis
• †Sigillaria pileata – type locality for species
• †Sigillaria rugosa
• †Sigillariostrobus
• †Silfonocrinus
• †Silfonocrinus siluricus
• †Silicaster
• †Silicaster esseri
• †Similodonta – tentative report
• †Sinuites
• †Sinuites cancellatus
• †Sinuites granistriatus
• †Sinuites subcompressa
• Solemya
• †Solemya radiata
• †Solemya sharonensis – type locality for species
• †Soleniscus
• †Soleniscus aplatus – type locality for species
• †Soleniscus klipparti
• †Soleniscus primigenia
• †Soleniscus primogenium
• †Soleniscus regularis
• †Soleniscus typicus
• †Solenomorpha
• †Solenomorpha lamborni
• †Solisphaeridium
• †Solisphaeridium astrum
• †Solisphaeridium clavum
• †Solisphaeridium folliculum
• †Solisphaeridium rigispinosum
• †Sowerbyella
• †Sowerbyella rugosa
• †Spatiopora
• †Sphenolium
• †Sphenophragmus
• †Sphenophragmus nanus – or unidentified comparable form
• †Sphenophyllum
• †Sphenophyllum majus
• †Sphenophyllum oblongifolium
• †Sphenopteris
• †Sphenopteris elegans – or unidentified comparable form
• †Sphenopteris minutisecta
• †Sphenosphaera
• †Sphenosphaera centervillensis – type locality for species
• †Sphenosphaera fiscellostriata – type locality for species
• †Sphenosphaera opertus – type locality for species
• †Sphenosphaera recurvus – type locality for species
• †Sphenothallus
• †Spiloblattina
• †Spiloblattina variegata – type locality for species
• †Spinocyrtia
• †Spinocyrtia euryteines – report made of unidentified related form or using admittedly obsolete nomenclature
• †Spinosporites
• †Spinosporites exiguus
• †Spinulicosta
• †Spinulicosta spinulicosta
• †Spinyplatyceras
• †Spinyplatyceras dumosum
• †Spirifer
• †Spirifer opimus
• †Spirifer pennatus
• †Spiromphalus
• †Spiromphalus pervius – type locality for species
• Spiropteris
• Spirorbis
• †Spirorbis arkonensis
• †Spirorbis planum
• †Spiroscala
• †Spiroscala solida
• †Spongentactinella
• †Spongentactinella veles
• †Sporangites
• †Sporangites huronensis
• †Spyroceras
• †Staufferoceras
• †Stegocoelia
• †Stegocoelia copei – or unidentified comparable form
• †Stegops
• †Stegops newberryi – type locality for species
• †Stellinium
• †Stellinium cristatum
• †Stellinium inflatum
• †Stellinium octoaster
• †Stelodictyon
• †Stereoaster
• †Stereoaster squamosus
• †Stereostylus
• †Stereostylus amesensis
• †Stereotoechus
• †Stereotoechus typicus – or unidentified comparable form
• †Stethacanthus
• †Stethacanthus altonensis
• †Stibarocrinus
• †Stibarocrinus centervillensis
• †Stictoporella
• †Stictoporina
• †Stictoporina granulifera
• †Stigmatella
• †Stigmatella catenulata
• †Stigmatella crenulata
• †Stigmatella dychei
• Stomatopora
• †Straparollus
• †Straparollus hecale – or unidentified comparable form
• †Straparollus rudis – or unidentified comparable form
• †Strataster
• †Strataster devonicus
• †Streblochondria
• †Streblopteria
• †Streblopteria oklahomensis
• †Streblotrypa
• †Streblotrypa anomala
• †Streblotrypa hamiltonensis
• †Streptaster
• †Streptaster vorticellatus
• †Streptelasma
• †Streptelasma divaricans
• †Striatopora
• †Striatopora flexuosa
• †Striatopora intermittens
• †Strobeus
• †Strobeus brevis
• †Strobeus immanis
• †Strobeus intercalaris
• †Strobeus paludinaeformis
• †Stromatocerium
• †Stromatocerium granulosum
• †Stromatopora
• †Strombodes
• †Strombodes socialis
• †Strophalosia
• †Strophalosia truncata
• †Stropheodonta
• †Stropheodonta demissa
• †Strophodonta
• †Strophodonta demissa – report made of unidentified related form or using admittedly obsolete nomenclature
• †Strophomena
• †Strophomena concordensis
• †Strophomena erratica
• †Strophomena extenuata
• †Strophomena maysvillensis
• †Strophomena neglecta
• †Strophomena nutans
• †Strophomena planoconvexa
• †Strophomena planumbona
• †Strophomena sulcata
• †Strophostylus
• †Sturgeonospira – type locality for genus
• †Sturgeonospira tortula – type locality for species
• †Stygetoblatta – type locality for genus
• †Stygetoblatta latipennis – type locality for species
• †Styliolina
• †Styliolina fissurella
• †Stylonema
• †Stylonema robusta
• †Subulites
• †Subulites planilateralis – type locality for species
• †Sulcoretepora
• †Sulcoretepora deissi
• †Sulcoretepora incisurata
• †Synhomalonotus
• †Syntomopterus
• †Syntomopterus richardsoni
• †Syringopora – tentative report
• †Syringopora reteformis
• †Syringostroma
• †Syringostroma cylindricum
• †Syringostroma densum
• †Syringostroma nodulatum
• †Syringostroma pustulosum
• †Syringothyris
• †Syringothyris bedfordensis
• †Syscioblatta
• †Syscioblatta anomala – type locality for species
• †Syscioblatta minor – type locality for species
• †Syscioblatta misera – type locality for species
• †Syscioblatta obscura – type locality for species
• †Syscioblatta steubenvilleana – type locality for species
• †Sysciophlebia
• †Sysciophlebia acutipennis – type locality for species
• †Sysciophlebia adumbrata – type locality for species
• †Sysciophlebia affinis – type locality for species
• †Sysciophlebia balteata
• †Sysciophlebia benedicta – type locality for species
• †Sysciophlebia hybrida – type locality for species
• †Sysciophlebia nana – type locality for species
• †Sysciophlebia obtusa – type locality for species
• †Sysciophlebia picta – type locality for species
• †Sysciophlebia rotundata – type locality for species
• †Sysciophlebia schucherti – type locality for species
• †Sysciophlebia scudderi – type locality for species
• †Sysciophlebia variegata – type locality for species
• †Sysciophlebia whitei – type locality for species

T

• †Taeniaster
• †Taeniaster elegans
• †Taeniopteris
• †Taeniopteris lescuriana
• †Taeniopteris newberriana
• †Tamiobatis
• †Tamiobatis vetustus
• †Tanaocrinus
• †Tasmanites
• †Technophora
• †Technophorus – type locality for genus
• †Technophorus faberi – type locality for species
• †Teichichnus
• †Temnocheilus
• †Temnocheilus forbesianus
• †Tentaculites
• †Tentaculites bellulus
• †Tentaculites gracilistriatus
• †Tetradium
• †Tetranota
• †Tetranota bidorsata
• †Tetrentactinia
• †Tetrentactinia barysphaera
• †Tetrentactinia gracilispinosa
• †Tetrentactinia quadrispinosa
• †Tetrentactinia somphosphaera
• †Tetrentactinia somphozona
• †Tetrentactinia spongacea
• †Tetrentactinia teuchestes
• †Thamnoptychia
• †Thamnoptychia alpenensis
• †Thamnoptychia labyrinthica
• †Thamnoptychia minuitissima
• †Thamnoptychia projecta – tentative report
• †Thamnoptychia silicensis
• †Thymospora
• †Thymospora obscura
• †Thymospora pseudothiessenii
• †Tirocrinus
• †Tirocrinus trochos
• †Tomoceras
• †Tomoceras gilliana – or unidentified comparable form
• †Torispora
• †Torispora securis
• †Tornacia
• †Tornacia stela
• †Tornoceras
• †Tornoceras uniagnulare
• †Tornoceras uniangulare
• †Toryniferella
• †Trachydomia
• †Tremanotus
• †Trematis
• †Trematis millepunctata
• †Trematis millepuntata
• †Trematis reticularis
• †Trematopora
• †Trepospira
• †Trepospira illinoisensis
• †Treptoceras
• †Treptoceras byrnesi
• †Treptoceras cincinnatiensis
• †Treptoceras duseri
• †Treptoceras fosteri
• †Triarthrus
• †Triendoceras – tentative report
• †Triendoceras davisi
• †Trigonoglossa
• †Trigonoglossa nebrascensis
• †Trigrammaria
• †Trilonche
• †Trilonche cancellicula
• †Trilonche prolata
• †Trimerella
• †Triquitrites
• †Triquitrites additus
• †Triquitrites bransonii
• †Triquitrites crassus
• †Triquitrites minutus
• †Triquitrites sculptilis
• †Triquitrites spinosus
• †Triquitrites subspinosus – or unidentified comparable form
• †Triquitrites tribullatus
• †Trocholites
• †Trochonema
• †Trochonemopsis
• †Trochonemopsis meekanum
• †Troedssonoceras
• †Tropidodiscus
• †Tropidodiscus vesculilineatus – type locality for species
• †Tropidoleptus
• †Tropidoleptus carinatus
• †Truncatiramus – now regarded as a jr. synonym of Erettopterus
• †Truncatiramus perryensis
• Trypetesa
• †Trypetesa caveata
• †Trypherocrinus
• †Trypherocrinus brassfieldensis
• †Tuberculatosporites
• †Tuberculatosporites robustus
• †Tuditanus – type locality for genus
• †Tuditanus punctulatus – type locality for species
• †Turbocrinus
• †Turbocrinus paunctum
• †Turbonopsis
• †Turbonopsis shumardii
• †Typanocrinus
• †Typanocrinus strombos

U

• †Ulrichia
• †Ulrichia nodosa
• †Umbotropis
• †Umbotropis filitexta – type locality for species
• †Uncinisphaera
• †Uncinisphaera lappa
• †Unellium
• †Unellium ampullium
• †Unellium elongatum
• †Unellium oscitans
• †Unklesbayella – type locality for genus
• †Unklesbayella geinitzi
• †Urasterella
• †Urasterella grandis

V

• †Vanuxemia
• †Vanuxemia waynesvillensis – type locality for species
• †Vaupelia
• †Vermiforichnus
• †Vermiforichnus clarkei – or unidentified comparable form
• †Verrucosisporites
• †Verrucosisporites cerosus
• †Verrucosisporites donarii
• †Verrucosisporites henshawensis
• †Verrucosisporites microtuberosus
• †Verrucosisporites microtuerosus
• †Verrucosisporites verrucosus
• †Veryhachium
• †Veryhachium roscidum
• †Veryhachium trispinosoides
• †Vesicaspora
• †Vesicaspora wilsonii
• †Vestispora
• †Vestispora fenestrata
• †Vestispora laevigata
• †Vinella
• †Vinlandostrophia
• †Vinlandostrophia acutilirata
• †Vinlandostrophia ponderosa
• †Vorticina
• †Vorticina cyrtolites

W

• †Waagenella
• †Waagenella crassus
• †Walchia
• †Walchiostrobus
• †Walliserodus
• †Walliserodus sancticlairi
• †Welleria – tentative report
• †Westonoceras
• †Whidbornella
• †Whiteavesia
• †Whitfieldella
• †Whitfieldoceras
• †Wilkingia
• †Wilkingia andrewsi
• †Wilkingia maxvillensis
• †Wilkingia terminale
• †Wilsonites
• †Wilsonites vesicatus
• †Worthenia
• †Worthenia parvula
• †Worthenia speciosa
• †Worthenia strigillata
• †Worthenia tabulata
• †Wurmiella
• †Wurmiella excavata

X

• †Xenocrinus
• †Xyloiulus
• †Xyloiulus bairdi – type locality for species
• †Xysmacrinus
• †Xysmacrinus greenensis

Z

• †Zascinaspis
• †Zirocrinus
• †Zirocrinus litos
• †Zittelloceras
• †Zonalosporites
• †Zonalosporites ellipticus
• †Zoophycos
• †Zygocycloides
• †Zygocycloides magnus
• †Zygospira
• †Zygospira cincinnatiensis
• †Zygospira modesta

References