Family: TRIGONIIDAE [Brooch clams] J. B. P. A. de Lamarck, 1819

(3-5-3-0-1-4-0-0-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 320
Vaught, 1989 p xi,120
Vokes, 1980 p 97,238