MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Wed 04 February 2026
Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Lamprotulini | Potomida littoralis
nominal species Unio littoralis var. irregularis Drouët, 1857
Unio littoralis var. irregularis Drouët, 1857 = Potomida littoralis
Drouët, 1857. Étud. Naïades. France, Unio: 218, 215.
(intro'd as intra-sp. of Unio littoralis Cuvier, 1798)
Taxonomic Opinions
= Unio (Lymnium) littoralis var. irregularis — Drouët, 1857
