Subgenus (Clinocardium) A. M. Keen, 1936

(3-4-4-0-4-2-2-1-2-0-0-0-0)
Ref. Bernard, 1983 p 39

blandum (A. A. Gould, 1850)
(3-4-4-0-4-2-2-1-2-1-0-0-0)
Smooth Cockle
Ref. Amer. Fish. Soc., 1988 p 39
Syn. Cardium (Cardium) blandum A. A. Gould, 1850
Ref. Bernard, 1983 p 39

californiense (G. P. Deshayes, 1839)
(3-4-4-0-4-2-2-1-2-2-0-0-0)
Bering Sea Cockle, California Cockle
Ref. Abbott & Dance, 1982 p 332 c
Amer. Fish. Soc., 1988 p 39
Syn. Cardium (Cardium) boreale W. J. Broderip & G. B. Sowerby, 1829, not L. A. Reeve, 1845;
Cardium (Cardium) californiense G. P. Deshayes, 1839;
Cardium (Cardium) pseudofossile L. A. Reeve, 1844;
Clinocardium (Clinocardium) uchidai T. Habe, 1955;
Laevicardium (Laevicardium) interrogatorium E. Fischer- Piette, 1977
Ref. Bernard, 1983 p 39

ciliatum (O. Fabricius) in A. M Keen, 1936
(3-4-4-0-4-2-2-1-2-3-0-0-0)
[=Clinocardium (Ciliatocardium) ciliatum (O. Fabricius, 1780)]
Ref. Bernard, 1984 p 45

fucanum (W. H. Dall, 1907)
(3-4-4-0-4-2-2-1-2-4-0-0-0)
Strait Cockle
Ref. Amer. Fish. Soc., 1988 p 39
Syn. Cardium (Cardium) californiense authors [not G. P. Deshayes, 1839];
Cardium (Cerastoderma) fucanum W. H. Dall, 1907
Ref. Bernard, 1983 p 39

nuttallii (T. A. Conrad, 1837)
(3-4-4-0-4-2-2-1-2-5-0-0-0)
Nuttall Cockle, Nuttall's Cockle
Ref. Abbott & Dance, 1982 p 332 c
Amer. Fish. Soc., 1988 p 39
Syn. Cardium (Cardium) fimbriata authors [not J. B. P. A. de Lamarck, 1819];
Cardium (Cardium) nuttallii T. A. Conrad, 1837;
Cochlea corbis authors [not T. Martyn, 1784]
Ref. Bernard, 1983 p 39

uchidai T. Habe, 1955
(3-4-4-0-4-2-2-1-2-6-0-0-0)
[=Clinocardium (Clinocardium) californiense (G. P. Deshayes, 1839)]
Ref. Bernard, 1983 p 39