Classification of Sturgeon 1937
G. †Patellostium Waagen 1880
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†Patellostium montfortianum Norwood and Pratten 1855
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. †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
†Macrochilina paludinaeformis Hall 1858
†Macrochilina regularis Cox 1857