Distribution. Central Amazon Basin of Brazil (Amazonas and Para states), from the left bank of the lower Rio Negro to the mouth of the Rio Pitinga N of the Amazon River axis, and from the lower Rio Madeira to lower Rio Tapajos on the S side of the main Amazon trunk. in Echimyidae

Distribution. Central Amazon Basin of Brazil (Amazonas and Para states), from the left bank of the lower Rio Negro to the mouth of the Rio Pitinga N of the Amazon River axis, and from the lower Rio Madeira to lower Rio Tapajos on the S side of the main Amazon trunk.Published as part of Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Echimyidae, pp. 552-604 in Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona :Lynx Edicions on page 583, DOI: 10.5281/zenodo.662364