Top Level : Harvesting : Mussels : Mussel Species

The Purple wartyback, Cyclonaias tuberculata (Rafinesque, 1820),was formerly common in the central and upper portions of the Illinois River, but it has not been collected alive in the river since 1912. (Conservation status: State threatened).
Illinois State Museum Collection (ISM-679862)

Photograph by Robert E. Warren, Illinois State Museum.

The <b>Purple wartyback</b>, <i>Cyclonaias tuberculata</i> (Rafinesque, 1820),was formerly common in the central and upper portions of the Illinois River, but it has not been collected alive in the river since 1912. (Conservation status: State threatened).<br>Illinois State Museum Collection (ISM-679862)