Cryptomys Gray, 1864 . Proc. Zool. Soc. Lond., 1864: 124.
TYPE SPECIES: Georychus holosericeus Wagner, 1842 (= Bathyergus hottentotus Lesson, 1826).
SYNONYMS: Coetomys, Typhloryctes .
COMMENTS: Originally a subgenus of Georychus . See review by Nevo et al. (1987).