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

TYPE LOCALITY: Paraguay, Cordillera, Atira .

DISTRIBUTION: S. and E. Brazil; N.E. Argentina; Paraguay.

COMMENT: The use of the names derived from Fischer, 1814, is provisional pending clarification of the availability of the work; see comments under Reithrodon physodes (Cricetidae) .

ISIS NUMBER: 5301410029006001001.