Subfamily Chaetomyinae Thomas, 1897 . Proc. Zool. Soc. London, 1896:1026 [1897].

SYNONYMS: Cercolabidae .

COMMENTS: Originally in Erethizontidae, but removed by Patterson and Wood (1982:394) because this form retains the deciduous premolars (an echimyid derived character) unlike all known erethizontids.