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
Thu 22 January 2026
Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia ambigua
nominal species Prisodon trigonum Schumacher, 1815
Prisodon trigonum Schumacher, 1815 = Castalia ambigua
Schumacher, 1815. Overs. Dansk. Vid. Selsk. Forhandl. Kjobehhaven 1813-1815: 7. [nomen nudum]
Taxonomic Opinions
= Prisodon trigonum — Schumacher, 1815
