Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio ingrandiensis Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 143 [37], 202 [96].
‘Sarault’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 173.
Type(s): POSSIBLE SYNTYPE MNHN_22282, Ingrandes (Maine-et-Loire).
= 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
- OMITTED — Simpson, 1914
= Unio (Batavusiana) ingrandiensis Surrault in Locard, 1889 — Germain, 1904
= Unio (Groupe de l’U. batavus) ingrandiensis Surault — Locard, 1893
= Unio ingrandiensis (Surrault) Locard, 1889 — Westerlund, 1890
= Unio (Batavusiana) ingrandiensis Surrault, Nov. sp. — Locard, 1889
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