MolluscaBase source details
Vanatta, E.G. (1911). Mollusca of Arkansas, Louisiana and Mississippi. Proceedings of the Academy of Natural Sciences of Philadelphia, 63: 525-532.
349981
Vanatta, E.G.
1911
Mollusca of Arkansas, Louisiana and Mississippi.
Proceedings of the Academy of Natural Sciences of Philadelphia
63: 525-532
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Date
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Bifidaria contracta var. climeana Vanatta, 1911 accepted as Gastrocopta contracta (Say, 1822) (original description)
