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 Trapezoideus peninsularis Simpson, 1900

‘Lea’ Reeve, 1865, Conch. Icon. 16: pl. 28, sp. 142 [as ‘Unio sumatrensis’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 859, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1186.
Type(s): TYPE BMNH_1964159, Sumatra.

= Lens contradens

Taxonomic Opinions

+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021
= Contradens peninsularis (Simpson, 1900) — Graf & Cummings, 2021
= Contradens peninsularis (Simpson, 1900) — Konopleva et al., 2019
= Contradens peninsularis (Simpson, 1900) — Konopleva et al., 2019
= Trapezoideus peninsularis Simpson, 1900 — Zieritz et al., 2018
= Trapezoideus peninsularius [sic] Simpson, 1900 — Bogan, 2010
= Trapezoideus peninsularius [sic] Simpson, 1900 — Graf & Cummings, 2007
- OMITTED — Haas, 1969
= Trapezoideus peninsularis Simpson, 1900 — Simpson, 1914
= Trapezoideus peninsularis (Simpson, 1900) — Simpson, 1900

Page updated: 08:32:46 Tue 01 Jul 2025