PBDB

Opinions from E. O. Ulrich et al. 1943

'Allopiloceras belongs to Piloceratidae'
'Allopiloceras affine belongs to Allopiloceras'
'Allopiloceras baylorense belongs to Allopiloceras'
'Allopiloceras breve belongs to Allopiloceras'
'Allopiloceras compressum belongs to Allopiloceras'
'Allopiloceras erectum belongs to Allopiloceras'
'Allopiloceras sevierense belongs to Allopiloceras'
'Allopiloceras subrectum belongs to Allopiloceras'
'Allopiloceras subunguliforme belongs to Allopiloceras'
'Allopiloceras unguliforme belongs to Allopiloceras'
'Beekmanoceras belongs to Beekmanoceratidae'
'Bridgeoceras belongs to Cyclostomiceratidae'
'Bridgeoceras subannulatum belongs to Bridgeoceras'
'Buehleroceras belongs to Cyclostomiceratidae'
'Buehleroceras apertum belongs to Buehleroceras'
'Buehleroceras compressum belongs to Buehleroceras'
'Burenoceras belongs to Cyrtendoceratidae'
'Burenoceras angulare belongs to Burenoceras'
'Burenoceras compressum belongs to Burenoceras'
'Burenoceras cornucopiaforme belongs to Burenoceras' according to Powell 1935
'Burenoceras curticei belongs to Burenoceras'
'Burenoceras dickhauti belongs to Burenoceras'
'Burenoceras dilatatum belongs to Burenoceras'
'Burenoceras expandum belongs to Burenoceras' according to Ulrich and Foerste 1931
'Burenoceras huzzahense belongs to Burenoceras'
'Burenoceras minor belongs to Burenoceras'
'Burenoceras oneotense belongs to Burenoceras'
'Burenoceras peramplum belongs to Burenoceras'
'Burenoceras percompressum belongs to Burenoceras'
'Burenoceras planiseptatum belongs to Burenoceras'
'Burenoceras pumilum belongs to Burenoceras'
'Burenoceras texanum belongs to Burenoceras'
'Burenoceras undosum belongs to Burenoceras'
'Burenoceras ungulatum belongs to Burenoceras'
'Caseoceras belongs to Cyrtendoceratidae'
'Caseoceras conicum belongs to Caseoceras'
'Caseoceras contractum belongs to Caseoceras'
'Caseoceras intermedium belongs to Caseoceras'
'Caseoceras nitidum belongs to Caseoceras'
'Caseoceras sequatchiense belongs to Caseoceras'
'Caseoceras subconicum belongs to Caseoceras'
'Cassinoceras belongs to Piloceratidae'
'Cassinoceras magister belongs to Cassinoceras' according to Foerste 1938
'Clarkoceras belongs to Cyrtendoceratidae'
'Clarkoceras affine belongs to Clarkoceras'
'Clarkoceras arcuatum belongs to Clarkoceras'
'Clarkoceras buttsi belongs to Clarkoceras'
'Clarkoceras calvini belongs to Clarkoceras'
'Clarkoceras cinctum belongs to Clarkoceras'
'Clarkoceras claytonense is a subjective synonym of Clarkoceras newtonwinchelli'
'Clarkoceras clelandi belongs to Clarkoceras'
'Clarkoceras confertum belongs to Clarkoceras'
'Clarkoceras crassum belongs to Clarkoceras'
'Clarkoceras cuneatum belongs to Clarkoceras'
'Clarkoceras curvatum belongs to Clarkoceras'
'Clarkoceras expansum belongs to Clarkoceras'
'Clarkoceras gracile belongs to Clarkoceras'
'Clarkoceras holtedahli is recombined as Caseoceras holtedahli'
'Clarkoceras huzzahense belongs to Clarkoceras'
'Clarkoceras inconstans belongs to Clarkoceras'
'Clarkoceras jasperense belongs to Clarkoceras'
'Clarkoceras lawrencense belongs to Clarkoceras'
'Clarkoceras levisense belongs to Clarkoceras'
'Clarkoceras luthei belongs to Clarkoceras'
'Clarkoceras luthei belongs to Clarkoceras' according to Calvin 1892
'Clarkoceras magnisiphonatum belongs to Clarkoceras'
'Clarkoceras minneiskense belongs to Clarkoceras'
'Clarkoceras modestum belongs to Clarkoceras'
'Clarkoceras mohawkense belongs to Clarkoceras'
'Clarkoceras multicameratum belongs to Clarkoceras'
'Clarkoceras parvisiphonatum belongs to Clarkoceras'
'Clarkoceras rectum belongs to Clarkoceras'
'Clarkoceras ruguliferum belongs to Clarkoceras'
'Clarkoceras subarcuatum belongs to Clarkoceras'
'Clarkoceras subcrassum belongs to Clarkoceras'
'Clarkoceras subrectum belongs to Clarkoceras'
'Clarkoceras vicinum belongs to Clarkoceras'
'Clarkoceras whitehallense belongs to Clarkoceras'
'Conocerina belongs to Cyrtendoceratidae'
'Conocerina arrecta belongs to Conocerina'
'Conocerina bassleri belongs to Conocerina'
'Conocerina beani belongs to Conocerina'
'Conocerina magna belongs to Conocerina'
'Conocerina missouriensis belongs to Conocerina'
'Conocerina obliqua belongs to Conocerina'
'Conocerina raaschi belongs to Conocerina'
'Conocerina sublonga belongs to Conocerina'
'Cumberloceras belongs to Cyrtendoceratidae'
'Cumberloceras buttsi belongs to Cumberloceras'
'Cumberloceras elwayense belongs to Cumberloceras'
'Cyclostomiceras belongs to Cyclostomiceratidae'
'Cyrtendoceras belongs to Cyrtendoceratidae'
'Cyrtendoceras priscum is recombined as Beekmanoceras priscum'
'Cyrtendoceras remelei belongs to Cyrtendoceras' according to Foerste 1932
'Cyrtoceras gracilis is recombined as Ectenoceras gracile'
'Cyrtoceras loculosum is recombined as Oneotoceras loculosum'
'Cyrtoceras syphax is recombined as Eremoceras syphax'
'Cyrtocerina mercurius is recombined as Levisoceras mercurius'
'Dakeoceras belongs to Cyrtendoceratidae'
'Dakeoceras corniculum belongs to Dakeoceras'
'Dakeoceras dilatatum belongs to Dakeoceras'
'Dakeoceras divergens belongs to Dakeoceras'
'Dakeoceras magnisiphonatum belongs to Dakeoceras'
'Dakeoceras perretrorsum belongs to Dakeoceras'
'Dakeoceras retrorsum belongs to Dakeoceras'
'Dakeoceras reversum belongs to Dakeoceras'
'Dakeoceras subcurvatum belongs to Dakeoceras' according to Ulrich and Foerste 1931
'Dakeoceras undulatum belongs to Dakeoceras'
'Ectenoceras belongs to Cyrtendoceratidae'
'Ectenoceras arbucklense belongs to Ectenoceras'
'Ectenoceras arcuosutum belongs to Ectenoceras'
'Ectenoceras ellipticum belongs to Ectenoceras'
'Ectenoceras higdonense belongs to Ectenoceras'
'Ectenoceras laqueatum belongs to Ectenoceras'
'Ectenoceras millsi belongs to Ectenoceras'
'Ectenoceras obliquum belongs to Ectenoceras'
'Ectenoceras pergracile belongs to Ectenoceras'
'Ectenoceras perobliquum belongs to Ectenoceras'
'Ectenoceras ruedemanni belongs to Ectenoceras' according to Kobayashi 1933
'Ectenoceras subcurvatum belongs to Ectenoceras'
'Ectenoceras subcurvatum belongs to Ectenoceras' according to Kobayashi 1933
'Ectenolites subgracile is recombined as Ectenoceras subgracile'
'Ellesmeroceras curvatum is recombined as Ectenoceras curvatum' according to Kobayashi 1931
'Ellesmeroceras curvatum is recombined as Ectenoceras curvatum'
'Eremoceras belongs to Cyrtendoceratidae'
'Eremoceras conoidale belongs to Eremoceras'
'Eremoceras difficile belongs to Eremoceras'
'Eremoceras gasconadense belongs to Eremoceras'
'Eremoceras luthei belongs to Eremoceras'
'Eremoceras marylandicum belongs to Eremoceras'
'Eremoceras perdilatum belongs to Eremoceras'
'Eremoceras subrectum belongs to Eremoceras'
'Eremoceras vernonense belongs to Eremoceras'
'Gomphoceras cassinense is recombined as Cyclostomiceras cassinense'
'Gomphoceras minimum is recombined as Cyclostomiceras minimum'
'Kirkoceras belongs to Piloceratidae'
'Kirkoceras arcuatum belongs to Kirkoceras' according to Ulrich and Foerste 1936
'Kirkoceras bradleyi belongs to Kirkoceras'
'Kirkoceras compressum belongs to Kirkoceras'
'Kirkoceras gracile belongs to Kirkoceras'
'Kirkoceras obliquum belongs to Kirkoceras'
'Levisoceras belongs to Cyrtendoceratidae'
'Levisoceras arctedorsatum belongs to Levisoceras'
'Levisoceras belli belongs to Levisoceras'
'Levisoceras complanatum belongs to Levisoceras'
'Levisoceras constrictum belongs to Levisoceras'
'Levisoceras curvatum belongs to Levisoceras'
'Levisoceras edwardsi belongs to Levisoceras'
'Levisoceras obliquatum belongs to Levisoceras'
'Levisoceras percurvatum belongs to Levisoceras'
'Levisoceras raaschi belongs to Levisoceras'
'Levisoceras subgracile belongs to Levisoceras'
'Liaotungoceras belongs to Piloceratidae'
'Mcqueenoceras belongs to Cyrtendoceratidae'
'Oderoceras belongs to Piloceratidae'
'Oderoceras depressum belongs to Oderoceras'
'Oderoceras sevierense belongs to Oderoceras'
'Oderoceras virginianum belongs to Oderoceras'
'Oncoceras vasiforme is recombined as Cyclostomiceras vasiforme'
'Oneotoceras belongs to Cyrtendoceratidae'
'Oneotoceras curvatum belongs to Oneotoceras'
'Oneotoceras divaricatum belongs to Oneotoceras'
'Oneotoceras extremum belongs to Oneotoceras'
'Oneotoceras husseyi belongs to Oneotoceras'
'Oneotoceras impressum belongs to Oneotoceras'
'Oneotoceras madisonense belongs to Oneotoceras'
'Oneotoceras magnum belongs to Oneotoceras'
'Oneotoceras percurvatum belongs to Oneotoceras'
'Oneotoceras wisconsinense belongs to Oneotoceras'
'Orthoceras edax belongs to Orthoceras' according to Billings 1865
'Orthoceras edax is recombined as Oderoceras edax'
'Orthoceras missisquoi is recombined as Kirkoceras missisquoi'
'Piloceras belongs to Piloceratidae'
'Piloceras acinaces belongs to Piloceras' according to Ulrich and Foerste 1938
'Piloceras amplum is recombined as Cassinoceras amplum'
'Piloceras canadense is recombined as Allopiloceras canadense'
'Piloceras corniculum is recombined as Clarkoceras corniculum'
'Piloceras gracile belongs to Piloceras' according to Billings 1865
'Piloceras manchuriense is recombined as Liaotungoceras manchuriense'
'Piloceras newtonwinchelli is recombined as Clarkoceras newtonwinchelli'
'Piloceras saffordi belongs to Piloceras'
'Piloceras triton is recombined as Cassinoceras triton'
'Piloceras wortheni is recombined as Cassinoceras wortheni'
'Shelbyoceras belongs to Cyrtendoceratidae'
'Shelbyoceras bessemerense belongs to Shelbyoceras'
'Shelbyoceras buttsi belongs to Shelbyoceras'
'Shelbyoceras unguliforme belongs to Shelbyoceras'
'Smithvilloceras belongs to Cyrtendoceratidae'
'Smithvilloceras thompsoni belongs to Smithvilloceras'
'Trundleoceras coarctum is recombined as Allopiloceras coarctum'
'Utoceras belongs to Piloceratidae'
'Utoceras coloradense belongs to Utoceras'
'Utoceras gleneyriense belongs to Utoceras'