Subgenus (Rictocyma) W. H. Dall, 1872
(3-4-4-0-10-1-1-6-4-0-0-0-0) Ref. Abbott, 1974 p 481 [see also as Genus] esquimalti W. Baird, 1863 (3-4-4-0-10-1-1-6-4-1-0-0-0) Eskimo Astarte Ref. Abbott, 1974 p 481 d Amer. Fish. Soc., 1988 p 38
(3-4-4-0-10-1-1-6-4-0-0-0-0) Ref. Abbott, 1974 p 481 [see also as Genus]
esquimalti W. Baird, 1863 (3-4-4-0-10-1-1-6-4-1-0-0-0) Eskimo Astarte Ref. Abbott, 1974 p 481 d Amer. Fish. Soc., 1988 p 38