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

nominal species Unio ater Bourguignat, 1864

= Unio crassus

Taxonomic Opinions

+ Unio mancus var. macrorhynchus Bourguignat — Germain, 1931

+ Unio macrorhynchus (Bgt.) Locard, 1882 — Westerlund, 1890

+ Unio (Sandriana) macrorhynchus Bourguignat in Locard — Locard, 1889

+ Unio (Groupe de l’U. sandrii) macrorhynchus Bourguignat, 1879, Mss. — Locard, 1882