Genus Aenigma "Gray" C. L. Koch, 1846 [C. L. Koch in Martini & J. H. Chemnitz, 1846, not Newman, 1836]

(3-7-6-2-1-1-0-1-0-0-0-0-0)
Syn. Enigmonia T. Iredale, 1918
Ref. Vaught, 1989 p 120
Vokes, 1980 p 59