Genus Americana S. Clessin, 1879

(3-4-4-0-9-1-0-2-0-0-0-0-0)
[=Polymesoda C. S. Rafinesque, 1820]
Ref. Abbott, 1974 p 521
Vaught, 1989 p 134
Vokes, 1980 p 162