Traits taxon details
original description
(of Valvata scabrida Meek & Hayden, 1865 †) Meek, F. B.; Hayden, F. V. (1865). Palaeontology of the Upper Missouri: A report upon collections made principally by the expeditions under command of Lieut. G. K. Warren, U. S. Top. Engrs., in 1855 and 1856. Invertebrates. Part I. <em>Smithsonian Contributions to Knowledge.</em> 14(172):ix + 1–136, pl. 1–5., available online at https://www.biodiversitylibrary.org/page/32533308 page(s): 113, pl. 4, figs 2a-b [details]
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