Genus Hemicardia L. Spengler, 1799

(3-5-4-0-4-2-3-16-0-0-0-0-0)
Syn. Hemicardium W. H. Dall, 1900;
Isocardia Oken, 1815
Ref. Vokes, 1980 p 128

affinis E. T. Nelson, 1870 [not Cardium affine Munster, 1835]
(3-5-4-0-4-2-3-16-0-1-0-0-0)
[=Trigoniocardia (Apiocardia) obovalis (G. B. Sowerby, 1833)]
Ref. Bernard, 1983 p 38