Classification of Ulrich et al. 1943

Fm. †Cyclostomiceratidae Foerste 1925
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G. †Bridgeoceras Ulrich et al. 1943
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Bridgeoceras subannulatum Ulrich et al. 1943
G. †Buehleroceras Ulrich et al. 1943
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Buehleroceras apertum Ulrich et al. 1943
Buehleroceras compressum Ulrich et al. 1943
G. †Cyclostomiceras Hyatt 1900
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Cyclostomiceras cassinense Whitfield 1886
Cyclostomiceras minimum Whitfield 1886
Fm. †Piloceratidae Miller 1889
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G. †Allopiloceras Ulrich and Foerste 1936
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Allopiloceras affine Ulrich et al. 1943
Allopiloceras baylorense Ulrich et al. 1943
Allopiloceras breve Ulrich et al. 1943
Allopiloceras canadense Billings 1860
Allopiloceras coarctum Foerste 1938
Allopiloceras compressum Ulrich et al. 1943
Allopiloceras erectum Ulrich et al. 1943
Allopiloceras sevierense Ulrich et al. 1943
Allopiloceras subrectum Ulrich et al. 1943
Allopiloceras subunguliforme Ulrich et al. 1943
Allopiloceras unguliforme Ulrich et al. 1943
G. †Cassinoceras Ulrich and Foerste 1936
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Cassinoceras amplum Dawson 1881
Cassinoceras triton Billings 1865
Cassinoceras wortheni Billings 1865
G. †Kirkoceras Ulrich and Foerste 1936
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Kirkoceras bradleyi Ulrich et al. 1943
Kirkoceras compressum Ulrich et al. 1943
Kirkoceras gracile Ulrich et al. 1943
Kirkoceras missisquoi Billings 1865
Kirkoceras obliquum Ulrich et al. 1943
G. †Liaotungoceras Shimizu and Obata 1936
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G. †Oderoceras Ulrich et al. 1943
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Oderoceras depressum Ulrich et al. 1943
Oderoceras edax Billings 1865
Oderoceras sevierense Ulrich et al. 1943
Oderoceras virginianum Ulrich et al. 1943
G. †Utoceras Ulrich et al. 1943
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Utoceras coloradense Ulrich et al. 1943
Utoceras gleneyriense Ulrich et al. 1943
Fm. †Cyrtendoceratidae Hyatt 1900
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G. †Burenoceras Ulrich and Foerste 1931
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Burenoceras angulare Ulrich et al. 1943
Burenoceras compressum Ulrich et al. 1943
Burenoceras curticei Ulrich et al. 1943
Burenoceras dickhauti Ulrich et al. 1943
Burenoceras dilatatum Ulrich et al. 1943
Burenoceras huzzahense Ulrich et al. 1943
Burenoceras minor Ulrich et al. 1943
Burenoceras oneotense Ulrich et al. 1943
Burenoceras peramplum Ulrich et al. 1943
Burenoceras percompressum Ulrich et al. 1943
Burenoceras planiseptatum Ulrich et al. 1943
Burenoceras pumilum Ulrich et al. 1943
Burenoceras texanum Ulrich et al. 1943
Burenoceras undosum Ulrich et al. 1943
Burenoceras ungulatum Ulrich et al. 1943
G. †Caseoceras Ulrich et al. 1943
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Caseoceras conicum Ulrich et al. 1943
Caseoceras contractum Ulrich et al. 1943
Caseoceras holtedahli Foerste 1921
Caseoceras intermedium Ulrich et al. 1943
Caseoceras nitidum Ulrich et al. 1943
Caseoceras sequatchiense Ulrich et al. 1943
Caseoceras subconicum Ulrich et al. 1943
G. †Clarkoceras Ruedemann 1905
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Clarkoceras affine Ulrich et al. 1943
Clarkoceras arcuatum Ulrich et al. 1943
Clarkoceras buttsi Ulrich et al. 1943
Clarkoceras calvini Ulrich et al. 1943
Clarkoceras cinctum Ulrich et al. 1943
Clarkoceras clelandi Ulrich et al. 1943
Clarkoceras confertum Ulrich et al. 1943
Clarkoceras corniculum Sardeson 1896
Clarkoceras crassum Ulrich et al. 1943
Clarkoceras cuneatum Ulrich et al. 1943
Clarkoceras curvatum Ulrich et al. 1943
Clarkoceras expansum Ulrich et al. 1943
Clarkoceras gracile Ulrich et al. 1943
Clarkoceras huzzahense Ulrich et al. 1943
Clarkoceras inconstans Ulrich et al. 1943
Clarkoceras jasperense Ulrich et al. 1943
Clarkoceras lawrencense Ulrich et al. 1943
Clarkoceras levisense Ulrich et al. 1943
Clarkoceras luthei Ulrich et al. 1943
Clarkoceras magnisiphonatum Ulrich et al. 1943
Clarkoceras minneiskense Ulrich et al. 1943
Clarkoceras modestum Ulrich et al. 1943
Clarkoceras mohawkense Ulrich et al. 1943
Clarkoceras multicameratum Ulrich et al. 1943
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Invalid names: Clarkoceras claytonense Powell 1935 [synonym]
Clarkoceras parvisiphonatum Ulrich et al. 1943
Clarkoceras rectum Ulrich et al. 1943
Clarkoceras ruguliferum Ulrich et al. 1943
Clarkoceras subarcuatum Ulrich et al. 1943
Clarkoceras subcrassum Ulrich et al. 1943
Clarkoceras subrectum Ulrich et al. 1943
Clarkoceras vicinum Ulrich et al. 1943
Clarkoceras whitehallense Ulrich et al. 1943
G. †Conocerina Ulrich and Foerste 1936
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Conocerina arrecta Ulrich et al. 1943
Conocerina bassleri Ulrich et al. 1943
Conocerina beani Ulrich et al. 1943
Conocerina magna Ulrich et al. 1943
Conocerina missouriensis Ulrich et al. 1943
Conocerina obliqua Ulrich et al. 1943
Conocerina raaschi Ulrich et al. 1943
Conocerina sublonga Ulrich et al. 1943
G. †Cumberloceras Ulrich et al. 1943
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Cumberloceras buttsi Ulrich et al. 1943
Cumberloceras elwayense Ulrich et al. 1943
G. †Cyrtendoceras RemelĂ© 1886
G. †Dakeoceras Ulrich and Foerste 1931
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Dakeoceras corniculum Ulrich et al. 1943
Dakeoceras dilatatum Ulrich et al. 1943
Dakeoceras divergens Ulrich et al. 1943
Dakeoceras magnisiphonatum Ulrich et al. 1943
Dakeoceras perretrorsum Ulrich et al. 1943
Dakeoceras retrorsum Ulrich et al. 1943
Dakeoceras reversum Ulrich et al. 1943
Dakeoceras undulatum Ulrich et al. 1943
G. †Ectenoceras Ulrich and Foerste 1936
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Ectenoceras arbucklense Ulrich et al. 1943
Ectenoceras arcuosutum Ulrich et al. 1943
Ectenoceras curvatum Kobayashi 1931
Ectenoceras ellipticum Ulrich et al. 1943
Ectenoceras gracile Cleland 1903
Ectenoceras higdonense Ulrich et al. 1943
Ectenoceras laqueatum Ulrich et al. 1943
Ectenoceras millsi Ulrich et al. 1943
Ectenoceras obliquum Ulrich et al. 1943
Ectenoceras pergracile Ulrich et al. 1943
Ectenoceras perobliquum Ulrich et al. 1943
Ectenoceras subcurvatum Ulrich et al. 1943
Ectenoceras subgracile Ulrich and Foerste 1936
G. †Eremoceras Hyatt 1884
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Eremoceras conoidale Ulrich et al. 1943
Eremoceras difficile Ulrich et al. 1943
Eremoceras gasconadense Ulrich et al. 1943
Eremoceras luthei Ulrich et al. 1943
Eremoceras marylandicum Ulrich et al. 1943
Eremoceras perdilatum Ulrich et al. 1943
Eremoceras subrectum Ulrich et al. 1943
Eremoceras syphax Billings 1863
Eremoceras vernonense Ulrich et al. 1943
G. †Levisoceras Foerste 1925
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Levisoceras arctedorsatum Ulrich et al. 1943
Levisoceras belli Ulrich et al. 1943
Levisoceras complanatum Ulrich et al. 1943
Levisoceras constrictum Ulrich et al. 1943
Levisoceras curvatum Ulrich et al. 1943
Levisoceras edwardsi Ulrich et al. 1943
Levisoceras mercurius Billings 1865
Levisoceras obliquatum Ulrich et al. 1943
Levisoceras percurvatum Ulrich et al. 1943
Levisoceras raaschi Ulrich et al. 1943
Levisoceras subgracile Ulrich et al. 1943
G. †Mcqueenoceras Ulrich and Foerste 1936
G. †Oneotoceras Ulrich 1926
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Oneotoceras curvatum Ulrich et al. 1943
Oneotoceras divaricatum Ulrich et al. 1943
Oneotoceras extremum Ulrich et al. 1943
Oneotoceras husseyi Ulrich et al. 1943
Oneotoceras impressum Ulrich et al. 1943
Oneotoceras loculosum Hall 1861
Oneotoceras madisonense Ulrich et al. 1943
Oneotoceras magnum Ulrich et al. 1943
Oneotoceras percurvatum Ulrich et al. 1943
Oneotoceras wisconsinense Ulrich et al. 1943
G. †Shelbyoceras Ulrich et al. 1931
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Shelbyoceras bessemerense Ulrich et al. 1943
Shelbyoceras buttsi Ulrich et al. 1943
Shelbyoceras unguliforme Ulrich et al. 1943
G. †Smithvilloceras Ulrich et al. 1943
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Smithvilloceras thompsoni Ulrich et al. 1943
Fm. †Beekmanoceratidae Ulrich et al. 1943
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G. †Beekmanoceras Ulrich and Foerste 1936
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Beekmanoceras priscum Ruedemann 1906