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

nominal species Unio sequanicus Bourguignat in Locard, 1882

Unio sequanicus Bourguignat in Locard, 1882 = Unio crassus

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 289, 358.
‘Coutagne’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 142 [36].
‘Coutagne’ Locard, 1893. Coqu. Eau Douce Saumâtre France: 169, fig. 183.
Type(s): LECTOTYPE MNHN_22529 (by Graf, 2011: 504), La Marne à Lagny (Seine-et-Marne).

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 4.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 48.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 130.

+ Unio batavus Maton et Rackett — Germain, 1931: 727.

+ — Simpson, 1914.

= Unio (Groupe de l’U. batavus) sequanicus Coutagne — Locard, 1893: 169, fig. 183.

= Unio batavus var. sequanicus Coutagne in Locard, 1882 — Westerlund, 1890: 76.

= Unio (Batavusiana) sequanicus Coutagne in Locard — Locard, 1889: 142.

= Unio (Bataviana) sequanicus Coutagne — Servain, 1888: 317.

= Unio (Groupe de l’U. Batavus) sequanicus Coutagne, 1881, Mss. — Locard, 1882: 289.