Nectomys squamipes (Brants, 1827) . Het. Gesl. Muiz., p. 138.

TYPE LOCALITY: Brazil, Sao Paulo Prov., Sao Sebastiao .

DISTRIBUTION: Guianas to Colombia to Peru; Brazil; Paraguay; N. E. Argentina.

COMMENT: May contain more than one species; karyology reviewed by Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:1 -48. Revised by Hershkovitz, 1944, Misc. Publ. Mus. Zool. Univ. Mich., 58:1 -101. This species is a composite according to OAR, who retains aquaticus, olivaceous, pollens, and mattensis in squatnipes, and considers tnelanius (including fulvinus, montanus, and tarrensis), apicalis (including napensis, grandis, tnagdalenae, and saturatus), paltnipes (including tatei), and garleppii (including vallensis) distinct species on cytotaxonomic grounds; all of the above forms were included in squatnipes by Cabrera, 1961:412-417.

ISIS NUMBER: 5301410008025002001.