Subgenus (Argopecten) T. A. Monterosato, 1889
(3-7-6-2-2-1-2-8-1-0-0-0-0)
Syn. (Corymbichlamys) T. Iredale, 1939;
(Edentiplica) T. Iredale, 1939;
(Haumea) W. H. Dall, P. Bartsch & H. A. Rehder, 1938;
(Plagioctenium) W. H. Dall, 1898;
(Plagiopecten) G. D. Hanna, 1924;
(Plagiopectenium) R. B. Stewart, 1930;
(Volachlamys) T. Iredale, 1939
Ref. Vaught, 1989 p 118