Sucre spiny rat
The Sucre spiny-rat is a species of rodent in the family Echimyidae. It is endemic to Venezuela.Phylogeny
Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. urichi belongs to the so-called trinitatus group of Proechimys species, and shares closer phylogenetic affinities with the other members of this clade: P. trinitatus, P. mincae, P. guairae, P. poliopus, P. magdalenae, P. chrysaeolus, and P. hoplomyoides.