The round rocksnail was historically found in the Cahaba River and the Little Cahaba River, Bibb County, Alabama; and the Coosa River, Elmore County, Alabama, and tributaries—Big Canoe and Kelly's creeks, St. Clair County, Alabama; Ohatchee Creek, Calhoun County, Alabama; Yellowleaf Creek, Shelby County, Alabama; and Waxahatchee Creek, Shelby/Chilton counties, Alabama.
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Pleurocera ampla (Anthony, 1854) is another species with similar scientific name.