Subgenus (Obliquata) L. S. Frierson, 1927

(3-5-4-0-4-9-2-T1-41-4-0-0-0-0)
Syn. (Scalenaria) C. S. Rafinesque, 1820;
(Scatenaria) C. S. Rafinesque, 1820
Ref. Vaught, 1989 p 122