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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Fri 13 February 2026
Walker, B. 1910. A new Spatha. Nautilus 24(4): 38-39. Available electronically.
Walker, 1910. Nautilus 24(4): 38, pl. 3, figs. 1-2.Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_111952, Kribi River, 17 mi from Efulen, Kamerun, West Africa.