Clyomys Thomas, 1916 . Ann. Mag. Nat. Hist., ser. 8, 18:300.

TYPE SPECIES: Echimys laticeps Thomas, 1909 .

COMMENTS: Reviewed by Avila-Pires and Wutke (1981:530). Reig (1986:409, footnote) noted that Clyomys may not be distinct from Euryzygomatomys .