Subgenus (Clinocardium) A. M. Keen, 1936

(3-5-4-0-4-2-4-10-2-0-0-0-0)

arcticum G. B. Sowerby, 1840
(3-5-4-0-4-2-4-10-2-1-0-0-0)
[=Clinocardium ciliatum (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 487

blandum (A. A. Gould, 1850)
(3-5-4-0-4-2-4-10-2-2-0-0-0)
Smooth Cockle
Ref. Amer. Fish. Soc., 1988 p 39

boreale W. J. Broderip & G. B. Sowerby, 1829
(3-5-4-0-4-2-4-10-2-3-0-0-0)
[=Clinocardium ciliatum (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 487

californiense (G. P. Deshayes, 1839)
(3-5-4-0-4-2-4-10-2-4-0-0-0)
Bering Sea Cockle, California Cockle
Ref. Amer. Fish. Soc., 1988 p 39
Syn. Clinocardium uchidai T. Habe
Ref. Abbott & Dance, 1982 p 332 c

ciliatum (O. Fabricius, 1780)
(3-5-4-0-4-2-4-10-2-5-0-0-0)
Hairy Cockle, Iceland Cockle
Ref. Abbott & Dance, 1982 p 332 c
Amer. Fish. Soc., 1988 p 39
Lindner, 1977 pl 60 c
Syn. Clinocardium arcticum G. B. Sowerby, 1840;
Clinocardium boreale W. J. Broderip & G. B. Sowerby, 1829;
Clinocardium dawsoni W. Stimpson, 1862;
Clinocardium hayesii W. Stimpson, 1868;
Clinocardium pubescens J. P. Couthouy, 1838
Ref. Abbott, 1974 p 487 bw
Syn. Cardium (Cardium) arcticum G. B. Sowerby, 1840;
Cardium (Cardium) boreale W. J. Broderip & G. B. Sowerby, 1829;
Cardium (Cardium) ciliatum O. Fabricius, 1780;
Cardium (Cardium) dawsoni W. Stimpson, 1862;
Cardium (Cardium) hayesii W. Stimpson, 1868;
Cardium (Cardium) pubescens J. P. Couthouy, 1838
Ref. Wagner, 1984 p 65 bw

dawsoni W. Stimpson, 1862
(3-5-4-0-4-2-4-10-2-6-0-0-0)
[=Clinocardium ciliatum (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 487

fucanum (W. H. Dall, 1907)
(3-5-4-0-4-2-4-10-2-7-0-0-0)
Fucan Cockle, Strait Cockle
Ref. Abbott, 1974 p 487 bw
Amer. Fish. Soc., 1988 p 39

hayesii W. Stimpson, 1868
(3-5-4-0-4-2-4-10-2-8-0-0-0)
[=Clinocardium ciliatum (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 487

nuttallii (T. A. Conrad, 1837) [T]
(3-5-4-0-4-2-4-10-2-9-0-0-0)
Nuttall Cockle, Nuttall's Cockle
Ref. Abbott, 1974 p 487 bw
Abbott & Dance, 1982 p 332 c
Lindner, 1977 pl 60 c

pubescens J. P. Couthouy, 1838
(3-5-4-0-4-2-4-10-2-10-0-0-0)
[=Clinocardium ciliatum (O. Fabricius, 1780)]
Ref. Abbott, 1974 p 487

uchidai T. Habe
(3-5-4-0-4-2-4-10-2-11-0-0-0)
[=Clinocardium californiense (G. P. Deshayes, 1839)]
Ref. Abbott & Dance, 1982 p 332