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MUSSELpdb

Taxonomy

Margaritiferidae

Species & Genus Richness by
Taxonomy

Geography

Central America

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Publication Frierson (1914): summary

publication summary

Full Citation

Frierson, L.S. 1914. Remarks on classification of the Unionidae. Nautilus 28: 6-8. Available electronically.

Attributed Nominal Genera

Pareptera Frierson, 1914

‘Ortmann’ Frierson, 1914. Nautilus 28: 7.
(error for Paraptera Ortmann, 1911)
Type species: Unio gracilis Barnes, 1823 = Potamilus fragilis

Simpsonaias Frierson, 1914

Frierson, 1914. Nautilus 28: 7.
(renamed Simpsoniconcha Frierson, 1914)
Type species: Alasmodonta ambigua Say, 1825 (orig. desig.) = Simpsonaias ambigua

Attributed Nominal Species

Unio hildreihianus Frierson, 1914 = Simpsonaias ambigua

‘Lea’ Frierson, 1914. Nautilus 28: 7.
(error for Unio hildrethianus Lea, 1834)

Taxonomic Opinions

Diplasma marginata Rafinesque, 1831

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