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Chaetomys subspinosus. (Olfers, 1818) The bristle-spined rat (Chaetomys subspinosus) is an arboreal rodent from the Atlantic forest in eastern Brazil. Also known as the bristle-spined porcupine or thin-spined porcupine, it is the only member of the genus Chaetomys and the subfamily Chaetomyinae. [2] It was officially described in 1818, but ...
Echimyidae is the family [2] of neotropical spiny rats and their fossil relatives. [3] This is the most species-rich family of hystricognath rodents. [4] It is probably also the most ecologically diverse, with members ranging from fully arboreal to terrestrial to fossorial to semiaquatic habits. [4]
Plesiadapis is one of the oldest known primate -like mammal genera which existed about 58–55 million years ago in North America and Europe. [2][3] Plesiadapis means "near-Adapis", which is a reference to the adapiform primate of the Eocene period, Adapis. Plesiadapis tricuspidens, the type specimen, is named after the three cusps present on ...
Dormice are small rodents, with body lengths between 6 and 19 cm (2.4 and 7.5 in), and weight between 15 and 180 g (0.53 and 6.35 oz). [5] They are generally mouse -like in appearance, but with furred tails. They are largely arboreal, agile, and well adapted to climbing. Most species are nocturnal.
Acomys chudeaui - Chudeau's spiny mouse. Acomys cilicicus - Asia Minor spiny mouse. Acomys cineraceus - grey spiny mouse. Acomys dimidiatus - Eastern spiny mouse. Acomys ignitus - fiery spiny mouse. Acomys johannis - Johan's spiny mouse. Acomys kempi - Kemp's spiny mouse. Acomys louisae - Louise's spiny mouse.
The Machu Picchu arboreal chinchilla rat ( Cuscomys oblativus) is a large species of South American chinchilla rats, known from skeletal remains found by members of the Peruvian Expedition of 1912. The animals were buried alongside people in ancient Inca tombs at Machu Picchu in Peru. [2] It was considered extinct by the IUCN in 2008, [1] but ...
Tree squirrels are the members of the squirrel family (Sciuridae) commonly just referred to as "squirrels". They include more than 100 arboreal species native to all continents except Antarctica and Oceania. [1][2][3][a] They do not form a single natural, or monophyletic, group; they are variously related to others in the squirrel family ...
The adult long-tongued arboreal mouse weighs in the range 25 to 35 g (0.88 to 1.23 oz) and has a tail that is nearly as long as the head-and-body length. The fur is short and dense, and consists of a mixture of long slender hairs and spines, giving the mouse a bristly appearance. The upper parts are olive-brown and the underparts are buffish ...