Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio surraulti Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 144 [38], 204 [98].
‘Servain’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 174 [as ‘suraulti’].
Type(s): SYNTYPE MNHN_22569, La Loire à Ingrandes.
= 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) surraulti Servain in Locard, 1889 — Germain, 1904
= Unio (Groupe de l’U. batavus) suraulti [sic] Servain — Locard, 1893
= Unio surraulti Servain in Locard, 1889 — Westerlund, 1890
= Unio (Batavusiana) surraulti Locard, Nov. sp. — Locard, 1889
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