Steere's spiny rat (''Proechimys steerei'') is a spiny rat species found in

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

and

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

Phylogeny

Morphological characters and mitochondrial cytochrome b DNA sequences showed that ''P. steerei'' belongs to the so-called ''goeldii'' group of ''Proechimys'' species, and shares closer phylogenetic affinities with the other members of this clade: '' P. quadruplicatus'' and '' P. goeldii''.

References

Proechimys Mammals described in 1911 Taxa named by Edward Alphonso Goldman {{Echimyidae-stub