Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio platyrhynchoideus Drouët, 1857
‘Dup.’ Drouët, 1857, Étud. Naïades. France, Unio: 100, pl. 9, fig. 1.
(misidentified reference to Unio platyrinchoideus Dupuy, 1849)
= Unio crassus Taxonomic Opinions
+ Unio ignariformis (Bgt.) Loc., 1889 — Westerlund, 1890
+ Unio (Ateriana) ignariformis Bourguignat, Nov. sp. — Locard, 1889
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