Microcavia australis subsp. australis I. Geoffroy and d’Orbigny 1833
Microcavia australis subsp. australis I. Geoffroy and d’Orbigny 1833, Mag. Zool. Paris, 3: 3.
Type Locality: Argentina, Pategonia, vicinity of the lower part of the Rio Negro.
Synonyms: Microcavia australis subsp. joannia (Thomas 1921); Microcavia australis subsp. kingii (Bennett 1836); Microcavia australis subsp. nigricana (Thomas 1921) .