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

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 289, 358.
‘Berthier’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 142 [36].
‘Berthier’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 168.
Type(s): IDIOTYPE MNHN_22185, l’Ornain (Meuse).
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 5.
+ Unio crassus musivus (Spengler, 1793) — Bogatov, 2022: 57.
= Unio (Crassiana) cyprinorum Bourguignat in Locard, 1882 — Vinarski & Kantor, 2016: 25.
= Crassiana cyprinorum (Berthier in Locard, 1882) — Kantor et al., 2010: 259.
+ Unio crassus Philippson in Retzius, 1788 — Graf, 2007: 84.
= Crassiana cyprinorum (Bourguignat in Locard, 1882) — Kantor & Sysoev, 2005: 330.
= Crassiana (Bataviana) cyprinorum (Bourguignat in Locard, 1882) [sic] — Starobogatov et al., 2004: 37, pl. 20, figs. 11-12.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 49.
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 130.
+ Unio batavus Maton et Rackett — Germain, 1931: 727.
= Unio (Groupe de l’U. batavus) cyprinorum Berthier — Locard, 1893: 168.
= Unio batavus var. cyprinorum Berthier in Locard, 1882 — Westerlund, 1890: 76.
= Unio (Batavusiana) cyprinorum Berthier is Locard — Locard, 1889: 142.
= Unio (Bataviana) cyprinorum Berthier — Servain, 1888: 317.
= Unio (Bataviana) cyprinorum Berthier — Servain, 1882: 21.
= Unio (Groupe de l’U. Batavus) cyprinorum Berthier, 1881, Mss. — Locard, 1882: 289.