Cyclonaias pustulosa (original) (raw)

Cyclonaias pustulosa is a species of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. This species is native to North America, where it is a widespread and common. The species was formerly classified within the genus Quadrula, and in 2012 it was moved to Rotundaria based on genetic evidence.