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

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 285, 355.
‘Brevière’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 149 [43].
‘Brevière’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 180.
(homonym of Unio oxyrhynchus Martens, 1861)
Type(s): LECTOTYPE MNHN_22438 (by Graf, 2011: 495), La Canne, dans la Nièvre.
+ 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 consentaneus var. oxyrhynchus Brevière — Germain, 1931
= Unio (Groupe de l’U. ater) oxyrhynchus Brevière — Locard, 1893
+ — Westerlund, 1890
= Unio (Ateriana) oxyrhynchus Brevière in Locard — Locard, 1889
= Unio (Groupe de l’U. crassus) oxyrhynchus Brevière, 1882, Mss. — Locard, 1882