Auliscomys micropus (Waterhouse, 1837) . Proc. Zool. Soc. Lond., 1837:17.

TYPE LOCALITY: Argentina, Santa Cruz Prov., in the interior plains of Patagonia, 50° N., near the banks of the Rio Santa Cruz .

DISTRIBUTION: S. Argentina; S. Chile.

COMMENT: Pearson, 1958, Univ. Calif. Publ. Zool., 56(4):452, Pearson and Patton, 1976, J. Mammal., 57:339, and Spotorno and Walker, 1979, Arch. Biol. Med. Exp., 12:83-90, included this species in subgenus Loxodontomys of Phyllotis; Hershkovitz, 1962, Fieldiana Zool., 46:399, did not consider micropus in a separate subgenus; Pine et al., 1979, Mammalia, 43:356-357, considered Loxodontomys a nomen nudum, and reviewed the species' distribution. Transferred to Auliscomys by Simonetti and Spotorno, 1980, An. Mus. Hist. Nat. Valparaiso, 13:285-297.

ISIS NUMBER: 5301410008042008001 as Phyllotis micropus .