Stiff-spine spiny rat
The stiff-spine spiny-rat, Proechimys echinothrix, or Tefe spiny rat, is a spiny rat species from South America. It is found in Brazil and Colombia.Phylogeny
Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. echinothrix represents one independent evolutionary lineage within the genus Proechimys, without clear phylogenetic affinity for any of the 6 major groups of species.
