Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus

nominal species Unio occidentalis Locard, 1889

Unio occidentalis Locard, 1889 = Unio crassus

‘Bourguignat’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 149 [43], 220 [114].
‘Bourguignat’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 180.
‘Bourguignat’ Locard, 1899. Conchyliol. Portug.: 220.
(homonym of Unio occidentalis Conrad, 1836)
Type(s): LECTOTYPE MNHN_22424 (by Graf, 2011: 494), Balbigny (Loire).

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 8.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 50.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 131.

+ Unio consentaneus (Ziegler) Rossmässler — Germain, 1931: 732.

+ — Simpson, 1914.

= Unio (groupe de l’U. ater) occidentalis Bourguignat in Locard, 1889 — Locard, 1899: 220.

= Unio (Groupe de l’U. ater) occidentalis Bourguignat — Locard, 1893: 180.

= Unio occidentalis (Bgt.) Loc., 1889 — Westerlund, 1890: 69.

= Unio (Ateriana) occidentalis Bourguignat, Nov. sp. — Locard, 1889: 149.