nominal species Unio groenlandicus Schröter, 1779
Schröter, 1779, Gesch. Flußconch.: 181, pl. 9, fig. 1. [non-binomial]
Mörch, 1868, Amer. J. Conch. 4: 38.
= Lamellidens marginalis Taxonomic Opinions
+ Lamellidens (s.s.) marginalis (Lamarck, 1819) — (Preston, 1915)
+ Lamellidens (s.s.) marginalis (Lamarck, 1819) — (Simpson, 1914)
+ Lamellidens (s.s.) marginalis (Lamarck) — (Preston, 1912)
+ Lamellidens (s.s.) marginalis (Lamarck, 1819) — (Simpson, 1900)
+ Unio marginalis Lamarck — (Tapparone Canefri, 1889)
+ Unio marginalis Lamarck, 1819 — (Hanley & Theobald, 1876)
+ Margaron (Unio) marginalis (Lam.) — (Lea, 1870)
+ Unio testudinarius Spgl. — (Mörch, 1868)
- NO OPINION — (Lea, 1852)
- NO OPINION — (Lea, 1836)
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