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!

Search the database pages:

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

Page updated: 08:36:56 Tue 01 Jul 2025