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

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 295, 364.
‘Coutagne’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 129 [23].
‘Coutagne’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 157.
Type(s): IDIOTYPE MNHN_22162, [illegible] (Charente).
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 5.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 49.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 130.
+ Unio mancus var. amnicus Ziegler — Germain, 1931: 726.
= Unio carantoni Cout. in Locard — Rochebrune, 1903: 389.
= Unio (Groupe de l’U. mancus) carantoni Coutagne — Locard, 1893: 157.
= Unio carantoni (Cout.) Bgt. — Westerlund, 1890: 87.
= Unio (Mancusiana) carantoni Coutagne in Locard — Locard, 1889: 129.
= Unio (Groupe de l’U. falsus) carantoni Coutagne, 1881, Mss. — Locard, 1882: 295.