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 | Ambleminae | Quadrulini | Quadrulina | Quadrula quadrula

nominal species Unio lunulatus Pratt, 1876

Pratt, 1876, Proc. Davenport Acad. Nat. Sci. 1: 168, pl. 31, fig. 1a-b [as ‘unul atus’; corrected in Errata].
(correct name for Unio unul atus Pratt, 1876)

= Quadrula quadrula

Taxonomic Opinions

+ Quadrula quadrula (Rafinesque, 1820) — Lopes-Lima et al., 2019
+ Quadrula quadrula (Rafinesque, 1820) — Watters et al., 2009
+ Quadrula quadrula (Rafinesque, 1820) — Williams et al., 2008
+ Quadrula quadrula (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Quadrula (s.s.) quadrula quadrula (Rafinesque, 1820) — Haas, 1969
+ Quadrula (s.s.) quadrula (Rafinesque, 1820) — Frierson, 1927
+ Tritogonia nobilis (Conrad) — Simpson, 1914
= Quadrula (sec. Theliderma) lachrymosa [sic] var. lunulata (Pratt, 1876) — Simpson, 1900
+ Unio lachrymosus [sic] Lea, 1827 — Call, 1895

Page updated: 08:26:08 Tue 01 Jul 2025