Lingula carbonaria
Orbiculoidea capuliformis
Orbiculoidea convexa
Orbiculoidea missouriensis
Orbiculoidea subtrigonalis
Ambocoelia planoconvexa
Beecheria bovidens
Cleiothyridina orbicularis
Composita argentea
Composita magna
Composita subcircularis
Composita subtilita
Composita trilobata
Crurithyris planoconvexa
Dielasma bovidens
Dielasma ventricosa
Enteletes hemplicata
Enteletes hemplicatus
Enteletes plattsburgensis
Enteletes pugnoides
Glassia obovata
Hustedia acuticosta
Hustedia mormoni
Isogramma millepunctata
Leiorhynchus rockymontanus
Neospirifer cameratus
Neospirifer dunbari
Neospirifer goreii
Neospirifer kansasensis
Neospirifer latus
Neospirifer texana
Neospirifer texanus
Neospirifer triplicatus
Phricodothyris perplexa
Punctospirifer kentuckyensis
Punctospirifer triplicatus
Rhipidomella carbonaria
Rhipidomella pecasa
Rhynchopora illinoisensis
Schizophoria resupinoides
Schizophoria texana
Spirifer cameratus
Spirifer gorei
Spirifer occiduus
Spirifer opimus
Spirifer rockymontanus
Spirifer texanus
Spirifer triplicatus
Spiriferina kentuckiensis
Wellerella oread
Wellerella osagensis
Wellerella tetrahedra
Cancrinella altissima
Cancrinella boonensis
Chonetes armatus
Chonetes dominus
Chonetes granulifer
Chonetes logani
Chonetes meekianus
Chonetes puebloensis
Chonetes rostrata
Chonetes verneuilianus
Chonetina crassiradiata
Chonetina papilioniformis
Chonetina plebeia
Chonetina primitiva
Chonetina verneuiliana
Chonetina wyandottensis
Chonetinella alata
Chonetinella flemingi
Chonetinella papilioformis
Chonetinella robusta
Derbyia bennetti
Derbyia crassa
Derbyia deercreekensis
Derbyia haesitans
Derbyia hooserensis
Derbyia jacksboroensis
Derbyia kansasensis
Derbyia nebrascensis
Derbyia plattsmouthensis
Derbyia robusta
Derbyoides nebrascensis
Desmoinesia muricatina
Diaphragmus fasciculatus
Dictyoclostus americanus
Dictyoclostus newelli
Dictyoclostus portlocklanus
Echinoconchus moorei
Echinoconchus semipunctatus
Eolissochonetes laevis
Heteralosia slocomi
Hystriculina hystriculina
Hystriculina texana
Hystriculina wabashensis
Juresania echinoconchinas
Juresania nebrascensis
Juresania rectangularia
Juresania symmetrica
Kozlowskia haydensis
Kozlowskia splendens
Leptalosia spondyliformis
Linoproductus inornatus
Linoproductus insinuatus
Linoproductus magnispinus
Linoproductus missouriensis
Linoproductus platyumbonus
Linoproductus prattenianus
Lissochonetes plattsmouthensis
Lissochonetes primarius
Marginifera lasallensis
Marginifera muricatina
Marginifera splendens
Marginifera wabashensis
Meekella striato-costata
Mesolobus decipiens
Mesolobus euampygus
Mesolobus lioderma
Mesolobus mesolobus
Mesolobus rochellensis
Mesolobus striatus
Neochonetes dominus
Neochonetes granulifer
Neochonetes mesolobus
Neochonetes semiacanthus
Neochonetes transversalis
Productus cora
Productus nebraskensis
Productus pertenuis
Productus semireticulatus
Pustula nebraskensis
Pustula punctata
Pustula semipunctata
Pustula symmetrica
Streptorhynchus affine
Agassizocrinus carbonarius
Diphuicrinus croneisi
Eupachycrinus sphaerolis
Eupachycrinus tuberculatus
Graffhamicrinus magnificus
Hydreionocrinus mucrospinus
Hydreionocrinus patula
Paradelocrinus dubius
Paradelocrinus subplanus
Paragassizocrinus tarri
Zeacrinites sellardsi
Apographiocrinus carbonarius
Apographiocrinus typicalis
Delocrinus granulosus
Delocrinus inflexus
Erisocrinus typus
Ethelocrinus oklahomensis
Graphiocrinus carbonarius
Pachylocrinus mcguirei
Parulocrinus compactus
Perimestocrinus oologahensis
Perimestocrinus venustus
Plaxocrinus amphaloides
Plaxocrinus crassidiscus
Plaxocrinus orthodoxus
Ulocrinus occidentalis
Utharocrinus clivasus
Utharocrinus pentanodus
Acanthopecten carboniferus
Acanthopecten meeki
Annuliconcha interlineata
Aviculopecten basilicus
Aviculopecten coreyanus
Aviculopecten coxanus
Aviculopecten exemplarius
Aviculopecten occidentalis
Aviculopecten phosphaticus
Aviculopecten sumnerensis
Fasciculiconcha knighti
Fasciculiconcha providecensis
Limipecten grandicostatus
Limipecten morsei
Limipecten wewokanus
Streblochondria hertzeri
Streblochondria stantonensis
Myalina ampla
Myalina arbala
Myalina glossoidea
Myalina meeki
Myalina miopetina
Myalina slocomi
Myalina subquadrata
Myalina wyomingensis
Septimyalina burmai
Septimyalina perattenuata
Septimyalina scitula
Ananias wannensis
Ananias welleri
Euconospira missouriensis
Glabrocingulum grayvillense
Hypselentoma perhumerosa