Subgenus (Pterosyna) C. S. Rafinesque, 1831

(3-5-4-0-4-9-3-93-7-0-0-0-0)
Syn. (Complanaria) W. Swainson, 1840;
(Megadomus) W. Swaisnson, 1840;
(Pterosygna) C. T. Simpson, 1900
Ref. Vaught, 1989 p 121