Genus Grippina W. H. Dall, 1912

(3-4-3-1-3-6-0-1-0-0-0-0-0)
Ref. Abbott, 1974 p 540
Amer. Fish. Soc., 1988 p 46
Bernard, 1983 p 59
Keen, 1971 pl 270
Vokes, 1980 p 184

berryana A. M. Keen, 1971
(3-4-3-1-3-6-0-1-0-1-0-0-0)
Ref. Abbott, 1974 p 540
Bernard, 1983 p 59
Keen, 1971 p 270 bw

californica W. H. Dall, 1912 [T]
(3-4-3-1-3-6-0-1-0-2-0-0-0)
California Grippclam, Gripp's Clam
Ref. Abbott, 1974 p 540
Amer. Fish. Soc., 1988 p 46
Bernard, 1983 p 59
Keen, 1971 p 270