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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
Central America
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Fri 13 February 2026
Bivalvia | Myida | Dreissenoidea | Dreissenidae | Coelogonia
0 specimens
Brongniart, 1823. Mém. terr. sédim. supér. calcaréo-trappéens du Vicentin: 78, pl. 6, fig. 14.
Goldfuss, 1837. Petrefacta Germaniae 2: 172, pl. 129, figs. 11a-b.