Classification of Tolmachoff 1930

Cl. Gastropoda Cuvier 1795 [snail]
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G. †Arctomphalus Tolmachoff 1930
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Arctomphalus grandis Tolmachoff 1930
G. †Bellerophon de Montfort 1808
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Bellerophon carinatus Tolmachoff 1930
Bellerophon scheii Tolmachoff 1930
Bellerophon sverdrupi Tolmachoff 1930
G. †Bucanopsis Ulrich and Scofield 1897
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Bucanopsis reticulatus Tolmachoff 1930
G. †Lepetopsis Whitfield 1882
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Lepetopsis concentrica Tolmachoff 1930
Lepetopsis devonica Tolmachoff 1930
Lepetopsis recta Tolmachoff 1930
G. †Euomphalus Sowerby 1814
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Euomphalus sinister Tolmachoff 1930
Euomphalus tuberculatus Tolmachoff 1930
G. †Holopea Hall 1847
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Holopea marylandica Clarke and Swartz 1913
Holopea simmonensis Tolmachoff 1930
G. †Phanerotinus Sowerby 1844
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Phanerotinus militaris Whidborne 1892
G. †Philoxene Kayser 1889
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Philoxene serpens Phillips 1841
G. †Euryzone Koken 1896
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Euryzone intermedia Tolmachoff 1930
Euryzone striata Tolmachoff 1930
G. †Gosseletina Fischer 1885
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Gosseletina brondensis Tolmachoff 1930
Gosseletina broondensis Tolmachoff 1930
G. †Liospira Ulrich and Scofield 1897
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Liospira devonica Tolmachoff 1930
G. †Lophospira Whitfield 1886
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Lophospira arctica Tolmachoff 1930
G. †Naticopsis M'Coy 1844
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Naticopsis minuta Tolmachoff 1930
G. †Orthonychia Hall 1843
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Orthonychia talon Tolmachoff 1930
G. †Platyceras Conrad 1840
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Platyceras fecundum Perner 1911
Platyceras perneri Tolmachoff 1930
G. †Loxonema Phillips 1841
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Loxonema priscum Münster 1840
Loxonema solvens Perner 1907
Loxonema stylum Tolmachoff 1930
Loxonema trochleatum Münster 1840
G. †Macrochilina Bayle 1880
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Macrochilina elongata Phillips 1841
Macrochilina fusoidalis Tolmachoff 1930
Macrochilina whidborni Tolmachoff 1930
G. †Callonema Hall 1879
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Callonema gracilis Tolmachoff 1930