Superfamily: CHAMACEA [CHAMOIDEA] H. M. D. de Blainville, 1825
(3-4-4-0-6-0-0-0-0-0-0-0-0) Ref. Keen, 1971 p 145 Lindner, 1977 p 107 Vaught, 1989 p xi,128 Vokes, 1980 p 108 Syn. PACHYODONTIDA