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Castoroides (Latin: "beaver" (castor), "like" (oides) [2]), or the giant beaver, is an extinct genus of enormous, bear-sized beavers that lived in North America during the Pleistocene. Two species are currently recognized, C. dilophidus in the Southeastern United States and C. ohioensis in most of North America.
An extinct beaver species: Western North America: Late Miocene to Early Pleistocene [1] Castoroides: Giant beavers: North America: Up to 100 kg (220 lb) Pleistocene [1] Ceratogaulus: Horned gophers: North America: Smallest horned mammal: Late Miocene to Pliocene [2] Spelaeomys: S. florensis: A large cave rat: Flores-Extinct by 1500 [3] "Giant ...
Skull of a beaver. Castoridae is a family of rodents that contains the two living species of beavers and their fossil relatives. A formerly diverse group, only a single genus is extant today, Castor. Two other genera of "giant beavers", Castoroides and Trogontherium, became extinct in the Late Pleistocene.
Amblyrhiza inundata from the family Heptaxodontidae was a massive animal, it weighed 50–200 kg (110–440 lb). [209] [208] The largest beaver was the giant beaver (Castoroides) of North America. It grew over 2 m in length and weighed roughly 90 to 125 kg (198 to 276 lb), also making it one of the largest rodents to ever exist.
The previously mentioned antarctic blue whale holds the title of the biggest animal on earth. It can weigh up to 400,000 pounds and reach a length of 98 feet. The giant’s heart is the size of a car.
At 90–113 kilograms (198–249 lb), 40% larger than the living capybara, [1] N. pinckneyi is one of the largest rodent species ever discovered, surpassed only by Josephoartigasia monesi, several species of Phoberomys, and possibly the Pleistocene giant beaver. [2] Remains have been found in southern North America, from Arizona to Florida to ...
The creatures were found in “absolutely lightless” areas of forest caves, researchers said. ‘Giant’ cave-dwelling creature — carrying 6 eggs — found in Ecuador. It’s a new species
The artifacts found include Clovis culture material. [5] Along with the artifacts were remains of the now-extinct Late Pleistocene epoch animals, including the giant short-faced bear, stag moose, flat-headed peccary, and the giant beaver. [2] [4] The material in the cave was well-preserved, with organic material like gourds and human feces. [6]