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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Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini | Lens contradens

nominal species Unio asperulus Lea, 1866

Lea, 1866, Proc. Acad. Nat. Sci. 18: 133.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 280, pl. 38, fig. 94.
Type(s): HOLOTYPE USNM_84078, Siam.

= Lens contradens

Taxonomic Opinions

+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021
+ Uniandra contradens tumidula (Lea, 1856) — Brandt, 1974
= Ensidens (Uniandra) asperulus (Lea, 1866) — Haas, 1969
= Ensidens (Uniandra) asperulus (Lea) — Haas, 1952
= Ensidens (Uniandra) asperulus (Lea) — Prashad, 1932
= Nodularia (s.s.) asperula (Lea, 1866) — Simpson, 1914
= Ensidens (sec. Uniandra) asperulus (Lea, 1866) — Haas, 1913
= Nodularia (s.s.) asperula (Lea, 1866) — Simpson, 1900
= Unio asperulus Lea — Fischer, 1891
= Margaron (Unio) asperulus (Lea) — Lea, 1870

Page updated: 08:23:52 Tue 01 Jul 2025