Cavia aperea Erxleben, 1777 . Syst. Regni Anim., 1:348.

TYPE LOCALITY: Brazil, Pernambuco .

DISTRIBUTION: Colombia, Ecuador, Venezuela, Guianas, Brazil, N Argentina, Uruguay, Paraguay.

SYNONYMS: azarae, guianae, hilaria, hypoleuca; leucopyga Brandt, 1815; nana, pamparum, rosida.

COMMENTS: Includes guianae; see Hiickinghaus (1961:58) and Husson (1978:449); but also see Cabrera (1961:578) who placed guianae in porcellus . Corbet and Hill (1991:201) listed guianae as a distinct species without comment. Includes pamparum according to Massoia and Fornes (1967) and Hiickinghaus (1961:57), but Cabrera (1961:577) listed pamparum as a distinct species. Also includes nana (see Hiickinghaus, 1961:58).