Chaetomys Gray 1843
Chaetomys Gray 1843, List Specimens Mamm. Coll. Brit. Mus.: 123.
Type Species: Hystrix subspinosus Olfers 1818
Synonyms: Plectrochorerus Pictet 1843 .
Species and subspecies: 1 species:
Species Chaetomys subspinosus (Olfers 1818)
Discussion: Included in Erethizontidae by Corbet and Hill (1991), Emmons and Feer (1997), McKenna and Bell (1997) and Voss and Angermann (1997) but some authors (e.g., Miller and Gidley, 1918; Patterson and Wood, 1982; Stehlin and Schaub, 1951; Woods, 1993) have included in the Echimyidae .