The mammalian faunas endemic to the Cerrado and the Caatinga Author Gutierrez, Eliecer E. Author Marinho-Filho, Jader text ZooKeys 2017 644 105 157 http://dx.doi.org/10.3897/zookeys.644.10827 journal article http://dx.doi.org/10.3897/zookeys.644.10827 1313-2970-644-105 74090DD89F994A5692654E3255D7538B Calomys tocantinsi Bonvicino, Lima & Almeida, 2003 Distribution. Calomys tocantinsi is endemic to the Cerrado, and has been recorded in the Brazilian states of Mato Grosso and Tocantins ( Bonvicino et al. 2003 , 2010 , Cordeiro-Estrela et al. 2006 , Rocha et al. 2011a ). Conservation status. The red list of the IUCN ver. 3.1 assigned the category "Least Concern" to Calomys tocantinsi (see Bonvicino and Marinho-Filho 2008a ). The species was not included in the official list of threatened species of Brazil ( ICMBIO-MMA 2016 ).