Proechimys cuvieri (Cuvier's Spiny Rat)
Proechimys cuvieri Petter, 1978
Patton (2007) presents a taxonomic key to distinguish the families of Neotropical hystricomorph rodents; below we present some characters used by this author to separate echimyids: they have 20 teeth (dental formula: incisors= 1/1, canines= 0/0, premolars 1/1, Molars= 3/3 x 2); they are…