The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
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Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pressodonta viridis nominal species Alasmidonta (Pressodonta) calceolus magnalacustris F.C. Baker, 1928
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 188, pl. 69, fig. 3; 72, figs. 12-16.
(intro'd as intra-sp. of Unio calceolus Lea, 1828)
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209215, Sturgeon Bay, Wisc.
= Pressodonta viridis Taxonomic Opinions
+ Alasmidonta viridis (Rafinesque, 1820) — Watters et al., 2009
+ Alasmidonta viridis (Rafinesque, 1820) — Williams et al., 2008
+ Alasmidonta (Pressodonta) viridis (Rafinesque, 1820) — Clarke, 1981
+ Alasmidonta calceolus (Lea, 1830) — R.I. Johnson, 1980
= Alasmidonta (Pressodonta) calceolus magnalacustris Var. Nov. — F.C. Baker, 1928
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