Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio sandrii Locard, 1882
Locard, 1882, Prodr. Malac. Franç. 1: 292.
(misidentified reference to Unio sandrii Rossmässler, 1844)
= Unio crassus Taxonomic Opinions
+ Unio (Sandriana) sandriopsis Bourguignat — Locard, 1889
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