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
Mon 2 March 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Hadrodon
species Hadrodon trigonus Yen, 1952: synonymy
Synonymy
Hadrodon trigonus Yen, 1952
Yen, 1952. U.S. Geol. Surv. Prof. Pap. 233-B: 38, pl. 4, figs. 3a-f; pl. 5, figs. 1a-d.
Hadrodon trigonus — Yen (1952), Evanoff et al. (1998), Good (2004)
Taxonomic History (since 1900)
Hadrodon trigonus — Yen (1952), Evanoff et al. (1998), Good (2004)
