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 thwaitesii Lea, 1859  Lea, 1859. Proc. Acad. Nat. Sci. 11: 152 [as ‘thwaitsii’].
 Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 246 [64], pl. 37, fig. 125.
(correct name for Unio thwaitsii Lea, 1859)
Type(s): HOLOTYPE BMNH_1965179, Ceylon.
= Lamellidens marginalis Taxonomic Opinions+ Lamellidens (marginalis-group) marginalis (Lamarck, 1819) — Bolotov et al., 2022 + Lamellidens marginalis (Lamarck, 1819) — Bieler, 2021 + Lamellidens testudinarius (Spengler, 1793) — Haas, 1969 = Lamellidens (s.s.) marginalis thwaitesii (Lea, 1859) — Preston, 1915 = Lamellidens (s.s.) thwaitesii (Lea, 1859) — Simpson, 1914 = Lamellidens (s.s.) marginalis var. thwaitesi (Lea) — Preston, 1912 = Lamellidens (s.s.) thwaitesii (Lea, 1859) — Simpson, 1900 = Unio thwaitesii Lea, 1859 — Hanley & Theobald, 1872 = Margaron (Unio) thwaitesii (Lea) — Lea, 1870 = Unio thwaitesii Lea, 1859 — Reeve, 1865
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