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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.
Giant pacarana: Josephoartigasia monesi: Fossil: 500 kg (1,100 lb) [1] 2: Phoberomys pattersoni: Fossil: 250–700 kg (550–1,540 lb) [2] 3: Capybara: Hydrochoerus hydrochaeris: Extant: 91.2 kg (201 lb) [3] 4: North American beaver: Castor canadensis: Extant: 50 kg (110 lb) 5: Lesser capybara: Hydrochoerus isthmius: Extant: 45.4 kg (100 lb) 6 ...
Topographic map of Texas. This is a list of mammals of Texas. Mammals native to or immediately off the coast of the U.S. state of Texas are listed first. Introduced mammals, whether intentional or unintentional, are listed separately. The varying geography of Texas, the second largest state, provides a large variety of habitats for mammals.
Giant beaver may refer to: Castoroides, an extinct Pleistocene genus of beavers from North America; Trogontherium, an extinct Pleistocene genus of beavers from Eurasia
Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis †Onchopristis †Onchosaurus †Ophiomorpha †Ophiopsis – tentative report †Opis †Ornithomimus †Ostlingoceras; Ostrea †Otischalkia – type locality for genus †Otischalkia elderae – type locality for species †Oxyrhina †Pachycheilosuchus – type locality for ...
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.
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Minnesota: The giant beaver was proposed in 2022. [3] New Hampshire: The American mastodon (Mammut americanum) was considered in 2015. [4] Texas: There is no state fossil though the state dinosaur is Sauroposeidon proteles. [5]