Genus Unionea F. Haas, 1969 [not C. S. Rafinesque, 1815]

(3-5-4-0-4-9-7-306-0-0-0-0-0)
[error]
[=Unionetta F. Haas, 1965]
Ref. Vaught, 1989 p 121
Vokes, 1980 p 236