Gardner's spiny rat

Gardner's spiny-rat (Proechimys gardneri) is a spiny rat species found in Bolivia and Brazil.

Phylogeny
Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. gardneri belongs to the so-called gardneri group of Proechimys species. Within this clade, Proechimys gardneri is more closely related to P. pattoni than to P. kulinae.