This bristly mouse occurs in the Amazon region. The fur description and some habitat records cited here apply specifically to the carceleni form treated in the taxonomic revision.
The revision describes the carceleni form as orange-brown above and white below. This coloration is not generalized to the whole species.
The carceleni form is recorded in secondary forest and cultivated areas in the Amazon region. A separate study collected the nominate form in a transition zone between the Cerrado and Amazon.
An extinction-risk assessment has not been added yet.