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Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Cyrtonaias
Crosse & Fischer, 1894

Cyrtonaias is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae.


Haag, W. R. (2012). North American Freshwater Mussels: Natural History, Ecology, and Conservation. Cambridge University Press. ISBN 978-0521199384