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

Drouët, 1888. J. de Conch. 36: 106.
Drouët, 1889. Mém. Acad. Sci. Dijon 1: 66, pl. 2, fig. 5.
(homonym of Unio requienii crassulus Drouët, 1867)
Type(s): SYNTYPE MNHN_MP_0027, Saone.
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 6.
+ 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 brevierei (Bgt.) Loc., 1882 — Westerlund, 1890: 67.
+ Unio (Ateriana) brevierei Bourguignat in Locard — Locard, 1889: 148.
= Unio crassulus Drouet — Drouët, 1889: 66, sp. 19, pl. 2, fig. 5.