Cuvier's spiny ratCuvier's spiny-rat is a spiny rat species found in Brazil, French Guiana, Guyana, Peru and Suriname.PhylogenyMorphological characters and mitochondrial cytochrome b DNA sequences showed that P. cuvieri belongs to the so-called longicaudatus group of Proechimys species, and shares closer phylogenetic affinities with the other members of this clade: P. longicaudatus and P. brevicauda.