This smallest of all armadillo species is endemic to central Argentina, where it is found in the provinces of Buenos Aires (southern part only), Catamarca, Cordoba, La Pampa, La Rioja, Mendoza, Rio Negro, San Juan and San Luis.
Superina, M., Abba, A.M. & Roig, V. 2010. Chlamyphorus truncatus. In: IUCN 2010 . IUCN Red List of Threatened Species. Version 2010.4 . <www.iucnredlist.org>