Subgenus (Acrosterigma) W. H. Dall, 1900

(3-5-4-0-4-2-6-1-1-0-0-0-0)

pristipleura (W. H. Dall, 1901)
(3-5-4-0-4-2-6-1-1-1-0-0-0)
Syn. Cardium (Cardium) maculatum G. B. Sowerby, 1840 [not J. F. Gmelin, 1791];
Cardium (Cardium) maculosum G. B. Sowerby, 1833 [not W. Wood, 1815];
Cardium (Trachycardium) hornelli J. R. Tomlin, 1928;
Cardium (Trachycardium) pristipleura W. H. Dall, 1901
Ref. Bernard, 1983 p 37