Crowson, R. A. and E. A. Crowson 1955. Some observations on beetles of the family Clambidae. Adephaga 2, Palpicornia, Histeroidea, Staphylinoidea 1. Hatch, M. H. 1929. Young, D. K. 2000.
Body strongly convex.
Sides of body evenly curved. Upper surfaces of body clothed with distinct hairs, setae or scales. Upper surfaces of body without deep foveae. Prothorax, metathorax and-or abdomen without extrusible glands. Head width just behind eyes not distinctly greater than prothoracic width.