The Brazilian lesser long-nosed armadillo is the smallest species in its genus. Its shell has six or seven movable bands.
The middle of its shell has six or seven movable bands, and the top profile of its skull is flattened.
The Brazilian Lesser Long-nosed Armadillo is a small South American armadillo. Feijó and colleagues examined 2,126 specimens from 39 museum collections to revise Dasypus. Their work recognized this animal as one of eight living species in the genus. Comparing specimens helped match physical traits with species names and geographic records.
It is the smallest member of its genus, with an average total length of about 45 centimetres. Its shell has six or seven movable bands. The published range extends from 0° to 39° south across Brazil, eastern Paraguay, Bolivia, Uruguay, and parts of Argentina. Brazilian records include the Atlantic Forest, Cerrado, Caatinga, and eastern Amazon, placing the armadillo across several distinct South American regions.
An extinction-risk assessment has not been added yet.
The specimen-based revision places the species' range from 0° to 39° south. Records in Brazil span the Atlantic Forest, Cerrado, Caatinga, and eastern Amazon, mapping the broad regional scope relevant to conservation work.