Subgenus (Argopecten) T. A. Monterosato, 1899

(3-7-8-3-4-10-G4-0-20-3-0-0-0-0)
Ref. Lindner, 1977 p 103
[see also as Genus]

circularis (G. B. Sowerby, 1835)
(3-7-8-3-4-10-G4-0-20-3-1-0-0-0)
Syn. Argopecten aequisulcatus (P. P. Carpenter, 1864)
Ref. Lindner, 1977 pl 55 c