Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio nanus Drouët, 1857
‘Lam.’ Drouët, 1857, Étud. Naïades. France, Unio: pl. 5, fig. 2.
(misidentified reference to Unio nana Lamarck, 1819)
= Unio crassus Taxonomic Opinions
+ Unio mancus var. nanus de Lamarck — Germain, 1931
+ Unio nana Lamarck, 1819 — Kobelt & Haas, 1910
+ Unio (Rhomboïdiana) nana de Lamarck, 1819 — Germain, 1904
+ Unio (Nanusiana) nanus de Lamarck — Locard, 1889
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