Genus Crista E. Romer, 1857
(3-4-4-0-26-7-2-7-0-0-0-0-0) [=Gafrarium P. F. Roding, 1798] Ref. Vaught, 1989 p 135 Syn. Cista A. de Gregorio, 1885 [=Gafrarium P. F. Roding, 1798] Ref. Vokes, 1980 p 168