Subgenus (Dallocardia) R. B. Stewart, 1930

(3-5-4-0-4-2-6-14-2-0-0-0-0)
Ref. Abbott, 1974 p 483
Bernard, 1983 p 38
Keen, 1971 p 153
Lindner, 1977 p 110
Vaught, 1989 p 129
[see also as Genus]

muricatum (C. v Linne, 1758)
(3-5-4-0-4-2-6-14-2-1-0-0-0)
Yellow American Cockle, Yellow Cockle, Yellow Pricklycockle
Ref. Abbott & Dance, 1982 p 327 c
Amer. Fish. Soc., 1988 p 39
Keen, 1971 p 153
Syn. Cardium (Cardium) campechiense P. F. Roding, 1798;
Cardium (Cardium) gossei G. P. Deshayes, 1854
Ref. Abbott, 1974 p 483 c

quadragenarium (T. A. Conrad, 1837) [T]
(3-5-4-0-4-2-6-14-2-2-0-0-0)
Giant Pacific Cockle, Spiny Pricklycockle
Ref. Abbott, 1974 p 483 bw
Abbott & Dance, 1982 p 327 c
Amer. Fish. Soc., 1988 p 40
Syn. Cardium (Cardium) arenatum P. P. Carpenter, 1857;
Cardium (Cardium) californianum T. A. Conrad, 1837;
Cardium (Cardium) luteolabrum A. A. Gould, 1851;
Cardium (Cardium) quadragenarium T. A. Conrad, 1837;
Cardium (Cardium) quadragenarium fernandoensis R. Arnold, 1907;
Cardium (Cardium) xanthocheilum ex A. A. Gould, ms, P. P. Carpenter, 1857
Ref. Bernard, 1983 p 38

senticosum (G. B. Sowerby, 1833)
(3-5-4-0-4-2-6-14-2-3-0-0-0)
Panama Thorny Cockle
Ref. Abbott, 1974 p 483
Abbott & Dance, 1982 p 327 c
Syn. Cardium (Cardium) lucinoides P. P. Carpenter, 1857;
Cardium (Cardium) rastrum L. A. Reeve, 1845;
Cardium (Cardium) senticosum G. B. Sowerby, 1833
Ref. Bernard, 1983 p 38
Syn. Cardium (Cardium) rastrum L. A. Reeve, 1845
Ref. Keen, 1971 p 153 bw