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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Mon 2 March 2026
Bivalvia | Unionida | Trigonioidoidea | Plicatounionidae | Plicatounio rostratus
Guo & Zhang in Guo, 1981. 12th Ann. Conf. Palaeo. Soc. China: 65, pl. 3, fig. 1.
= Plicatounio (s.s.) rostratus Guo & Zhang — Guo, 1981: 65, pl. 3, fig. 1.