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:

Unionoida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens angustior

nominal species Trapezidens obesa feae Bolotov et al., 2017

Kondakov, Konopleva et Vikhrev in Bolotov et al., 2017, Sci. Repts. 7: 8, figs. 3d.
(intro'd as intra-sp. of Unio marginalis var. obesa Hanley & Theobald, 1872)

= Trapezidens angustior

Taxonomic Opinions

+ Trapezidens angustior (Hanley & Theobald, 1876) — Konopleva et al., 2020
= Trapezidens obesa fea — Huang et al., 2019
= Trapezidens obesa feae ssp. nov. — Bolotov et al., 2017

Page updated: 08:42:03 Tue 01 Jul 2025