Subfamily: PHOLADINAE J. B. P. A. de Lamarck, 1810 [1809]

(3-4-3-2-1-1-3-0-0-0-0-0-0)
Ref. Abbott, 1974 p 543
Bernard, 1983 p 60
Keen, 1971 p 275
Vaught, 1989 p 138
Vokes, 1980 p 187