Genus Rotundaria J. L. R. Agassiz, 1852 [not C. S. Rafinesque, 1820]

(3-5-4-0-4-9-2-T1-47-0-0-0-0-0)
[=Cyclonaias H. A. Pilsbry, 1922]
Ref. Vaught, 1989 p 122