Patton's spiny rat
Patton's spiny-rat, Proechimys pattoni, is a spiny rat species from South America. It is found in Brazil and Peru.Phylogeny
Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. pattoni belongs to the so-called gardneri group of Proechimys species. Within this clade, Proechimys pattoni is more closely related to P. gardneri than to P. kulinae.