Subgenus (Axinactis) O. A. L. Morch, 1861

(3-7-3-0-4-1-2-16-1-0-0-0-0)
Ref. Abbott, 1974 p 427
Keen, 1971 p 55
[see also as Genus]

delessertii (L. A. Reeve, 1843)
(3-7-3-0-4-1-2-16-1-1-0-0-0)
Ref. Keen, 1971 p 55 bw

inaequalis (G. B. Sowerby, 1833)
(3-7-3-0-4-1-2-16-1-2-0-0-0)
Unequal Bittersweet
Syn. Glycymeris (Glycymeris) assimilis G. B. Sowerby, 1833
Ref. Abbott, 1974 p 427
Abbott & Dance, 1982 p 295 c
Syn. Pectunculus assimilis G. B. Sowerby, 1833
Ref. Keen, 1971 p 55 bw