Family: PERIPLOMATIDAE [Spoon clams] W. H. Dall, 1895

(3-2-3-1-3-7-0-0-0-0-0-0-0)
Ref. Abbott, 1974 p 560
Abbott & Dance, 1982 p 373
Amer. Fish. Soc., 1988 p 48
Bernard, 1979 p 59
Bernard, 1983 p 64
Keen, 1971 p 292
Lindner, 1977 p 119
Morris, 1966 p 49
Morris, 1973 p 101
Vaught, 1989 p 140
Vokes, 1980 p 209,256
Wagner, 1984 p 75