Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio visurgicus Locard, 1889
‘Servain’ of Authors.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 141 [35].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 173.
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 262.
(error for Unio visurgisinus Servain, 1888)
= Unio crassus Taxonomic Opinions
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
+ Unio batavus Maton et Rackett — Germain, 1931
+ Unio visurgisinus Servain, 1888 — Westerlund, 1890
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