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

nominal species Unio materniacus Locard, 1889

Unio materniacus Locard, 1889 = Unio crassus

Locard, 1889. Contr. Faune Malacol. Franc. 13: 143 [37], 203 [97].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 168, fig. 182.
Type(s): LECTOTYPE MNHN_22347 (by Graf, 2011: 488), la Somme à Abbeville.

Taxonomic Opinions

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

+ — Simpson, 1914.

= Unio materniacus Loc., 1889 — Rochebrune, 1903: 389.

= Unio (Groupe de l’U. batavus) materniacus Locard — Locard, 1893: 168, fig. 182.

= Unio materniacus Locard, 1889 — Westerlund, 1890: 78.

= Unio (Batavusiana) materniacus Locard, Nov. sp. — Locard, 1889: 143.