Classification of Sturgeon 1937

G. †Patellostium Waagen 1880
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Patellostium montfortianum Norwood and Pratten 1855
G. †Pharkidonotus Girty 1912
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G. †Orthonychia Hall 1843
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Orthonychia parva Shumard and Swallow 1858
G. †Phanerotrema Fischer 1885
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Phanerotrema grayvillense Norwood and Pratten 1855
G. †Pleurotomaria Defrance 1826
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Pleurotomaria beckwithana McChesney 1859
Pleurotomaria carbonaria Norwood and Pratten 1855
G. †Trepospira Ulrich and Scofield 1897
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Trepospira kentuckiensis Sturgeon 1937
G. †Meekospira Ulrich and Scofield 1897
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Meekospira peracuta Meek and Worthen 1860
G. †Macrochilina Bayle 1880
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Macrochilina brevis White 1881
G. †Euphemus M'Coy 1844
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G. †Orestes Girty 1912
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Orestes nodosus Girty 1912
G. †Actaeonina d'Orbigny 1850
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Actaeonina minuta Stevens 1858