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Pimpleback
Quadrula pustulosa.jpg
Conservation status

Secure (NatureServe)
Scientific classification
Genus:
Cyclonaias
Species:
pustulosa
Synonyms
  • Amphinaias pustulosa (I. Lea, 1831)
  • Quadrula pustulosa (I. Lea, 1831)
  • Rotundaria pustulosa (I. Lea, 1831)

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.

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A view of valves of Rotundaria pustulosa
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