Classification of Wilson 1951
G. †Micropileus Wilson 1951
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†Micropileus obesus Wilson 1951
†Micropileus ottawanus Wilson 1951
G. †Tryblidium Angelin and Lindström 1880
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†Tryblidium erato Billings 1865
†Tryblidium manitoulini Foerste 1914
G. †Bucania Hall 1847
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†Bucania halli Ulrich and Scofield 1897
†Bucania punctifrons Emmons 1842
†Bucania sulcatina Emmons 1842
G. †Phragmolites Conrad 1838
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†Phragmolites compressus Conrad 1838
†Phragmolites fimbriatus Ulrich and Scofield 1897
G. †Pterotheca Salter 1853
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†Pterotheca expansa Emmons 1842
†Pterotheca saffordi Hall 1861
†Pterotheca transversa Portlock 1843
G. †Salpingostoma Roemer 1876
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†Salpingostoma billingsi Wilson 1951
†Salpingostoma buelli Whitfield 1878
†Salpingostoma expansum Hall 1847
G. †Sinuites Koken 1896
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†Sinuites cancellatus Hall 1847
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†Sinuites cancellatus angularis Wilson 1951
†Sinuites cancellatus liratus Wilson 1951
G. †Tetranota Ulrich and Scofield 1897
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†Tetranota bidorsata Hall 1847
†Tetranota charon Billings 1860
†Tetranota sexcarinata Ulrich and Scofield 1897
G. †Tropidodiscus Meek and Worthen 1866
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†Tropidodiscus argo Billings 1860
†Tropidodiscus cristatus Safford 1869
†Tropidodiscus disculus Billings 1860
G. †Archinacella Ulrich and Scofield 1897
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†Archinacella clochensis Foerste 1914
†Archinacella explanata Wilson 1951
†Archinacella subrotunda Ulrich and Scofield 1897
G. †Cyclonema Hall 1852
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†Cyclonema bilix Conrad 1842
†Cyclonema cushingi Ruedemann 1912
†Cyclonema hallianum Salter 1859
†Cyclonema montrealense Billings 1865
G. †Holopea Hall 1847
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†Holopea ampla Ulrich and Scofield 1897
†Holopea concinnula Ulrich and Scofield 1897
†Holopea excelsa Ulrich and Scofield 1897
†Holopea informis Wilson 1932
†Holopea lavinia Billings 1865
†Holopea obliqua Hall 1847
†Holopea ophelia Billings 1865
†Holopea ottawaensis Wilson 1951
†Holopea paludiniformis Hall 1847
†Holopea parvula Ulrich and Scofield 1897
†Holopea pyrene Billings 1865
†Holopea rotunda Ulrich and Scofield 1897
†Holopea undulata Wilson 1932
G. †Raphistomina Ulrich and Scofield 1897
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†Raphistomina distincta Wilson 1921
†Raphistomina lapicida Salter 1859
G. †Maclurites Le Sueur 1818
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†Maclurites bigsbyi Hall 1861
†Maclurites logani Salter 1852
†Maclurites magnus Le Sueur 1818
†Maclurites manitobensis Whiteaves 1890
G. †Clathrospira Ulrich and Scofield 1897
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†Clathrospira conica Ulrich and Scofield 1897
†Clathrospira convexa Ulrich and Scofield 1897
†Clathrospira subconica Hall 1847
G. †Ectomaria Koken 1896
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†Ectomaria pagoda Salter 1859
†Ectomaria prisca Billings 1859
G. †Eotomaria Ulrich and Scofield 1897
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†Eotomaria larvata Salter 1859
†Eotomaria supracingulata Billings 1857
G. †Eunema Salter 1859
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†Eunema erigone Billings 1865
†Eunema strigillatum Salter 1859
G. †Helicotoma Salter 1859
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†Helicotoma declivis Safford 1869
†Helicotoma granosa Ulrich and Scofield 1897
†Helicotoma planulata Salter 1859
†Helicotoma spinosa Salter 1859
†Helicotoma subquadrata Ulrich and Scofield 1897
†Helicotoma tennesseensis Safford 1869
†Helicotoma umbilicata Ulrich and Scofield 1897
†Helicotoma verticalis Ulrich and Scofield 1897
G. †Liospira Ulrich and Scofield 1897
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†Liospira americana Billings 1860
†Liospira micula Hall and Whitney 1862
†Liospira progne Billings 1860
†Liospira vitruvia Billings 1865
G. †Lophospira Whitfield 1886
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†Lophospira angustina Ulrich and Scofield 1897
†Lophospira helicteres Salter 1859
†Lophospira milleri Miller 1877
†Lophospira perangulata Hall 1847
†Lophospira procris Billings 1865
†Lophospira serrulata Salter 1859
†Lophospira ventricosa Hall 1847
G. †Straparollina Billings 1865
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†Straparollina asperostriata Billings 1860
†Straparollina circe Billings 1860
†Straparollina eurydice Billings 1860
G. †Trochonema Salter 1859
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†Trochonema fragile Ulrich and Scofield 1897
†Trochonema umbilicata Hall 1847
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Invalid names: Trochonema umbilicata canadensis Ulrich and Scofield 1897 [synonym]
G. †Trochonemella Okulitch 1935
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†Trochonemella arachne Billings 1865
†Trochonemella montrealensis Okulitch 1935
†Trochonemella notablis Ulrich and Scofield 1897
G. †Cyrtospira Ulrich and Scofield 1897
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†Cyrtospira abbreviatus Hall 1852
†Cyrtospira parvulus Billings 1865
†Cyrtospira tortilis Ulrich and Scofield 1897
G. †Fusispira Hall 1872
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†Fusispira angusta Ulrich and Scofield 1897
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†Fusispira angusta subplana Ulrich and Scofield 1897
†Fusispira convexa Ulrich and Scofield 1897
†Fusispira elongata Hall 1872
†Fusispira planulata Ulrich and Scofield 1897
†Fusispira terebriformis Hall 1872
†Fusispira ventricosa Hall 1872
G. †Subulites Emmons 1842
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†Subulites acutus Wilson 1932
†Subulites canadensis Ulrich and Scofield 1897
†Subulites conradi Ulrich and Scofield 1897
†Subulites elongatus Portlock 1843
†Subulites elongatus Portlock 1843
†Subulites gloucesterensis Wilson 1951
†Subulites regularis Ulrich and Scofield 1897
†Subulites subelongatus d'Orbigny 1850
G. †Eccyliomphalus Portlock 1843
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†Eccyliomphalus beloitensis Ulrich and Scofield 1897
†Eccyliomphalus ottawaensis Billings 1860
†Eccyliomphalus owenanus Meek and Worthen 1868
†Sinuites bilobatus de Sowerby and Murchison 1839
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Invalid names: Sinuites bilobatus corrugatus Hall 1847 [replaced]
Subg. †Murchisonia (Hormotoma) Salter 1859
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†Hormotoma bellicincta Hall 1847
†Hormotoma gracilis Hall 1847
†Hormotoma major Hall 1852
†Hormotoma salteri Ulrich and Scofield 1897
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†Hormotoma salteri canadensis Ulrich and Scofield 1897
†Hormotoma salteri ottawaensis Wilson 1951
†Hormotoma trentonensis Ulrich and Scofield 1897
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†Hormotoma trentonensis crassa Wilson 1951
†Hormotoma trentonensis plana Wilson 1951
G. †Hormotoma Salter 1859
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