This small rodent is recorded in north-central and western Colombia, northern Venezuela, and northwestern Ecuador. Its tail is longer than its head and body, and is at least partly bicolored near the base.
The tail is longer than head-and-body length and distinctly bicolored at least near the base. The outer digits on the hindfoot are long.
It inhabits premontane or lower montane forest; HMW 7 reports records from 400–1,750 m.
An extinction-risk assessment has not been added yet.