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

‘Servain’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 146 [40], 211 [105].
‘Servain’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 175, fig. 188.
Type(s): LECTOTYPE MNHN_22085 (by Graf, 2011: 456), La Loire a Basse Indre (Loire-Inf.).
+ 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
= Unio (Lemotheuxiana) adonus Servain in Locard, 1889 — Germain, 1904
= Unio (Groupe de l’U. adonus) adonus Servain — Locard, 1893
= Unio adonus (Serv.) Loc. — Westerlund, 1890
= Unio (Pisaniana) adonus Servain, Nov. sp. — Locard, 1889