Subgenus (Asa) M. B. Basterot, 1825
(3-4-4-0-26-7-6-19-7-0-0-0-0) Syn. (Arctoa) A. N. Herrmannsen, 1846; (Arctoe) J. A. Risso, 1826; (Dosinia ss. authors [not G. A. Scopoli, 1777] Ref. Vaught, 1989 p 136 [see also as Genus]