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Abstract

The greater naked-tailed armadillo (Cabassous tatouay) is the largest armadillo in the Cabassous genus. It can be distinguished from other species in the genus by its large body size and large ears with granular edges that extend above the top of the head. The presence of C. tatouay in some regions of Brazil and in some Brazilian biomes, such as the Pantanal wetland, was not previously confirmed. This paper presents 12 new records of C. tatouay obtained by camera traps (n = 7), direct observations (n = 1), and roadkills (n = 4) in Mato Grosso do Sul (MS), Brazil. However, two camera trap records were only 14 minutes apart and could potentially represent the same individual. Photographic records are compared with C. squamicaudis to highlight important characteristics that differentiate the species. Finally, these records of C. tatouay extend its range to western Brazil and for the first time into the Pantanal wetland near the transition to the Cerrado savanna.