[4] Its physical appearance ranges from dark brown to light orange coloration and the typical size is small to medium.

[6][3] For several decades, the placement of this species was uncertain and fairly recently changed to Juliomys pictipes to fit under the subfamily of Sigmodontinae rodents.

[3] In addition, the skull has identifying features including having a short rostrum and rounded braincase.

[8] It is found in northeastern Argentina and southeastern Brazil and limited to the tropical and subtropical moist forests of those countries.

[11] But, threats that increase mortality or decrease quality of life include livestock farming, ranching, and wood harvesting.