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

Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 145 [39], 208 [102].
‘Servain’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 175, fig. 189.
Type(s): LECTOTYPE MNHN_22306 (by Graf, 2011: 484), le Reyran (Var).
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 7.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 50.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 131.
+ Unio mancus var. elongatulus Mühlfeld — Germain, 1931: 727.
= Unio (Lemotheuxiana) lemotheuxi Servain in Locard, 1889 — Caziot, 1910: 482.
= Unio (Lemotheuxiana) lemotheuxi Servain in Locard, 1889 — Germain, 1904: 264.
= Unio (Groupe de l’U. adonus) lemotheuxi Servain — Locard, 1893: 175, fig. 189.
= Unio lemotheuxi (Serv.) Locard, 1889 — Westerlund, 1890: 83.
= Unio (Lemotheuxiana) lemotheuxi Servain, Nov. sp. — Locard, 1889: 145.