Goeldi's spiny-rat (Proechimys goeldii) is a spiny rat species found in Brazil. Morphological characters and mitochondrial cytochrome b DNA sequences showed...

Tome's spiny rat (Proechimys semispinosus), also known as Tomes' spiny rat or the Central American spiny rat, is a species of spiny rat distributed from...

Myocastor has since been included within Echimyidae, the family of the spiny rats. The nutria lives in burrows alongside stretches of water and feeds...

The Atlantic spiny rats are all found in the genus Trinomys. They are a group of South American spiny-rats in the family Echimyidae. Based on Natureserve...

Owl's spiny rat (Carterodon sulcidens) is a rodent species in the family Echimyidae found in Brazil. It is the only species in the genus Carterodon. Owl's...

Ferreira's spiny tree-rat (Mesomys hispidus) is a spiny rat species found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname...

The short-tailed spiny-rat (Proechimys brevicauda) or Huallaga spiny rat, is a spiny rat species found in Bolivia, Brazil, Colombia, Ecuador and Peru...

The Trinidad spiny rat (Proechimys trinitatis) is a species of rodent in the family Echimyidae. It is found in Trinidad and Tobago and northern Venezuela...

The broad-headed spiny rat (Clyomys laticeps) is a spiny rat species from South America. The etymology of the species name is the Latin word laticeps...

The painted tree-rat (Callistomys pictus) is a species of spiny rat from Brazil, restricted to north-eastern Bahia in eastern Brazil. It is the only species...

The Guaira spiny-rat (Proechimys guairae) is a species of rodent in the family Echimyidae. It is endemic to Venezuela. It is commonly referred to as 'casiragua'...

The rufous soft-furred spiny-rat (Diplomys labilis), known as ratón espinoso meaning "spiny" or "thorny" rat in Spanish, is a species of rodent in the...

The Guyanan spiny-rat (Proechimys hoplomyoides) is a spiny rat species found in Brazil, Guyana and Venezuela. The species was first described by George...

The stiff-spine spiny-rat (Proechimys echinothrix) or Tefe spiny rat, is a spiny rat species found in Brazil and Colombia. Morphological characters and...

long-tailed spiny rat (Proechimys longicaudatus) is a spiny rat species found in Bolivia, Brazil and Paraguay. The long-tailed spiny rat is a large rat with...

The hairy Atlantic spiny rat (Trinomys setosus) is a spiny rat species from South America. It is endemic to Brazil. Bonvicino, C.R.; Catzeflis, F. (2016)...

Simons's spiny rat (Proechimys simonsi) is a spiny rat species found in Bolivia, Brazil, Colombia, Ecuador and Peru. It was named for American scientific...

Robert's spiny-rat (Proechimys roberti) or Para spiny rat, is a spiny rat species found in Brazil. This species is named after the collector Alphonso Robert...

Steere's spiny rat (Proechimys steerei) is a spiny rat species found in Bolivia, Brazil and Peru. Morphological characters and mitochondrial cytochrome...

The Pacific spiny rat (Proechimys decumanus) is a species of rodent in the family Echimyidae. It is found in Ecuador and Peru. Morphological characters...

O'Connell's spiny-rat (Proechimys oconnelli) is a species of rodent in the family Echimyidae. It is endemic to Colombia. Morphological characters and...

The Colombian soft-furred spiny-rat (Diplomys caniceps), or arboreal soft-furred spiny-rat, is a species of rodent in the family Echimyidae. It is found...

The tuft-tailed spiny tree rat (Lonchothrix emiliae) is a spiny rat species from Brazil south of the Amazon River, where it has been found in grassland...

Yonenaga's Atlantic spiny-rat (Trinomys yonenagae) or torch-tail spiny rat is a spiny rat species endemic to Brazil. Locally, it is known as rabo de facho...

The Magdalena spiny rat (Proechimys magdalenae) is a species of rodent in the family Echimyidae. It is endemic to Colombia. Morphological characters and...

neither is a valid derivation of the species name. "Gracile Atlantic spiny-rat" is inappropriate because the word gracile has nothing to do with the...

of the armored rat range from black to reddish brown, and has a pure white underside. They are similar in appearance to Tome's spiny-rat, but the eyes...

The speckled spiny tree-rat (Pattonomys semivillosus) is a species of rodent in the family Echimyidae. It is found in northern Colombia and Venezuela....

The red-crested tree-rat or Santa Marta toro (Santamartamys rufodorsalis) is a species of tree-rat found in the monotypic genus Santamartamys in the family...

The mouse-tailed Atlantic spiny-rat (Trinomys myosuros) is a spiny rat species from South America. It is found in Brazil. Brito, D.; Leite, Y. & Patterson...