Euryzygomatomys spinosus (G. Fischer, 1814) . Zoognosia, 3:105.

TYPE LOCALITY: Paraguay, Cordillera, Atira .

DISTRIBUTION: S and E Brazil, NE Argentina, Paraguay.

SYNONYMS: brachyura, catellus, guiara, rufa.

COMMENTS: The use of the names derived from Fischer (1814) is provisional pending clarification of the availability of the work. Should Fischer (1814) become unavailable, the name would be rufa Lichtenstein, 1820 (Abhandl. Preuss. Akad, Wiss., 1818-1819 [1820], p. 192).