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 | ... | Unionidae | Unioninae | Unionini | Unionina | Unio tumidus
nominal species Unio spengeli Bourguignat in Servain, 1888
Unio spengeli Bourguignat in Servain, 1888 = Unio tumidus
Bourguignat in Servain, 1888. Bull. Soc. Malac. France 5: 323.
Taxonomic Opinions
= Unio tumidus var. spengeli Bgt. ap. Servain — Westerlund, 1890
= Unio (Tumidusiana) spengeli Bourg. — Locard, 1889
= Unio (Tumidiana) spengeli Bourguignat , in coll. 1882 — Servain, 1888
