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!
Bivalvia | ... | Parreysiinae | Lamellidentini | Lamellidens marginalis nominal species Unio marginalis var. cylindrica Hanley & Theobald, 1872   Hanley & Theobald, 1872. Conch. Indica (3): 20, pl. 44, fig. 1.
(homonym of Unio cylindricus Say, 1817; intro'd as intra-sp. of Unio marginalis Lamarck, 1819)
Type(s): UNKNOWN BMNH_429-06-1-1, Poonassa.
= Lamellidens marginalis Taxonomic Opinions+ Lamellidens testudinarius (Spengler, 1793) — Haas, 1969 = Lamellidens (s.s.) marginalis var. cylindrica (Hanley & Theobald, 1876) — Preston, 1915 = Lamellidens (s.s.) marginalis var. cylindricus (Hanley & Theobald, 1876) — Simpson, 1914 = Lamellidens (s.s.) marginalis var. cylindricus (Hanley & Theobald, 1876) — Simpson, 1900 = Unio (s.s.) marginalis vr. cylindrica Lea [sic] — Paetel, 1890 = Unio marginalis var. cylindrica Hanley & Theobald — Tapparone Canefri, 1889 = Unio marginalis var. cylindrica — Hanley & Theobald, 1872
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