The Napo spiny rat (Proechimys quadruplicatus) is a spiny rat species found in Brazil, Colombia, Ecuador, Peru and Venezuela. Morphological characters...

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 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...

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...

quadruplicatus - Napo spiny rat Proechimys steerei - Steere's spiny rat Proechimys guyannensis group Proechimys guyannensis - Guyenne spiny rat Proechimys roberti...

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 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 white-faced spiny tree-rat (Echimys chrysurus) is a spiny rat species from South America. It is found in Brazil, French Guiana, Guyana and Suriname...

predators long enough for the spiny rat to escape. Unlike the tails of some species of lizards, however, the tails of spiny rats do not regenerate. Therefore...

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

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

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...

The woolly-headed spiny tree-rat (Mesomys leniceps) is a species of rodent in the family Echimyidae. It is endemic to Peru. The etymology of the species...

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...

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 Boyacá spiny rat (Proechimys chrysaeolus) is a species of rodent in the family Echimyidae. It is endemic to Colombia; it is found primary forest in...

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...

bamboo rat (Dactylomys boliviensis), is a species of spiny rat from South America. The Bolivian bamboo rat is one of the largest species of spiny rat, with...

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 tufted-tailed spiny tree-rat or furtive spiny tree-rat (Mesomys occultus) is a spiny rat species known from Amazonas, northwestern Brazil, where it...

The Plain brush-tailed rat (Isothrix pagurus) is a spiny rat species found in Brazil. Bonvicino, C.R. (2016). "Isothrix pagurus". IUCN Red List of Threatened...

(armored rats), and both form a clade of lowland rainforest terrestrial spiny rats. On the other hand, Callistomys (painted tree-rats) is the sister group...

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...

The Colombian spiny-rat (Proechimys canicollis) is a species of rodent in the family Echimyidae. It is found in Colombia and Venezuela. Morphological...

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

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

The soft-spined Atlantic spiny-rat (Trinomys dimidiatus) is a spiny rat species from South America. It is endemic to Brazil. Bonvicino, C.R.; Catzeflis...

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 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...