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This is a list of the largest rodents. Rank Common name Scientific name Status Maximum body mass [kg (lb)] Image Notes 1: Giant pacarana: Josephoartigasia monesi:
The rodent was first described based on material collected from the Barrancas de San Gregorio, Uruguay, a series of sea cliffs in the San José Department by Kiyú beach.The enormous fossils, catalogue number 28.VI.65.1 SPV-FHC, comprise a left mandibular (lower jaw) fragment which preserves the bottom part of the incisor, the premolar, the first two molars, a cavity corresponding to the third ...
The capybara has a heavy, barrel-shaped body and short head, with reddish-brown fur on the upper part of its body that turns yellowish-brown underneath. Its sweat glands can be found in the surface of the hairy portions of its skin, an unusual trait among rodents. [7] The animal lacks down hair, and its guard hair differs little from over hair ...
Phoberomys insolita is an extinct species of rodent that was known as the largest rodent on earth, before the discovery of Josephoartigasia monesi. Fossil specimens from the Late Miocene period have been discovered in the Ituzaingó Formation of Argentina. [1] [2] It has been synonymized with Phoberomys burmeisteri. [3]
Coryphomys is an extinct genus of rats, known from sub-fossils found on Timor. Its name is Greek for "top-of-the-head mouse" or "summit mouse". Species include Coryphomys buhleri and Coryphomys musseri. [1] Archaeological research on East Timor has revealed the bones of rats weighing up to 6 kilograms (13.2 pounds) when adult [citation needed ...
This rodent weighed approximately 200–500 kg (440–1,100 lb). [2] With a length of more than 2 metres (6 ft 7 in) in T. gigantissimus , it contains two or three of the largest rodents that ever lived, along with Phoberomys , Josephoartigasia , and the giant beaver .
Rodents are animals that gnaw with two continuously growing incisors. Forty percent of mammal species are rodents, and they inhabit every continent except Antarctica. This list contains circa 2,700 species in 518 genera in the order Rodentia. [1]
Cape porcupines are amongst the largest living rodents in the world; a few other rodents appear to be larger in body mass such as the capybara and the Eurasian and North American beavers. [ 2 ] [ 3 ] [ 4 ] They are similar in appearance to, the slightly smaller and close relatives, the crested porcupines .