Classification of the genus Megasurcula
G. Megasurcula Casey 1904
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†Megasurcula carpenteriana Gabb 1866
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Invalid names: Pleurotoma (Dolichotoma) cooperi Arnold 1903 [synonym], Pleurotoma (Surcula) tryoniana Gabb 1866 [synonym]
†Megasurcula condonana Anderson and Martin 1914
†Megasurcula howei Hanna and Hertlein 1938
†Megasurcula keepi Arnold 1907
†Megasurcula wynoocheensis Weaver 1912
†Surculites (Megasurcula) remondii Gabb 1866
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Invalid names: Pleurotoma (Genota) stearnsiana Raymond 1904 [synonym]