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Encyclopedia > Giant Beaver
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Giant Beaver
Castoroides ohioensis, Field Museum
Castoroides ohioensis, Field Museum
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Castoridae
Genus: Castoroides
Species: C. ohioensis
Binomial name
Castoroides ohioensis

The Giant Beaver (Castoroides ohioensis) was a huge species of rodent, with a length up to 2.5 m (8.2 feet) and an estimated weight of 220 kg (485 lbs). It lived in North America during the Pleistocene epoch, and went extinct during the last Ice Age, 10,000 years ago. The arrival of humans in the Americas is thought to be a factor in its extinction. It was one of the abundant Pleistocene megafauna - a wide variety of very large mammals that lived during the Pleistocene. Image File history File linksMetadata Download high-resolution version (2112x1176, 543 KB) Giant beaver (Castoroides ohioensis) skeleton on display at the Field Museum of Natural History in Chicago, Illinois. ... Field Museum of Natural History, Chicago The Field Museum of Natural History, in Chicago, Illinois, USA, sits on Lake Shore Drive next to Lake Michigan, part of a scenic complex called known as the Museum Campus which includes Soldier Field, the football stadium that is the home of the Chicago... The conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. ... An ammonite fossil Eocene fossil fish of the genus Knightia Petrified wood fossil formed through permineralization. ... For other uses, see Scientific classification (disambiguation). ... Animalia redirects here. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... I smoke weed im growing a blue penis dude#REDIRECT penises are cool ... Suborders Sciuromorpha Castorimorpha Myomorpha Anomaluromorpha Hystricomorpha Rodentia is an order of mammals also known as rodents. ... Genera †Eocastoroides †Steneofiber †Neatocastor †Asiacastor †Youngofiber †Trogontherium †Eucastor †Schreuderia †Dipoides †Boreofiber †Romanocastor †Zamolxifiber †Procastoroides †Castoroides †Paradipoides †Agnotocastor †Capacikala †Pseudopalaeocastor †Fossorcastor †Euhapsis †Propalaeocastor †Palaeomys †Palaeocastor †Hystricops Castor The family Castoridae contains the two living species of beaver and their fossil relatives. ... Castoroides is an extinct genus of giant beavers that lived in North America during the Pleistocene. ... In biology, binomial nomenclature is the formal method of naming species. ... The Pleistocene epoch (IPA: ) is part of the geologic timescale. ... Variations in CO2, temperature and dust from the Vostok ice core over the last 400 000 years For the animated movie, see Ice Age (movie). ... Pleistocene megafauna is the term used to describe the larger species of mammals, birds and reptiles that lived on earth during the Pleistocene era. ...

Fossils 70,000 years old were found in Toronto, Canada. Its fossils are concentrated around the Midwestern United States in states like Ohio, Minnesota, Indiana, and Wisconsin. Official language(s) None Capital Columbus Largest city Columbus Largest metro area Cleveland Area  Ranked 34th  - Total 44,825 sq mi (116,096 km²)  - Width 220 miles (355 km)  - Length 220 miles (355 km)  - % water 8. ... Capital Saint Paul Largest city Minneapolis Area  Ranked 12th  - Total 87,014 sq mi (225,365 km²)  - Width 250 miles (400 km)  - Length 400 miles (645 km)  - % water 8. ... Official language(s) English Capital Indianapolis Largest city Indianapolis Area  Ranked 38th  - Total 36,418 sq mi (94,321 km²)  - Width 140 miles (225 km)  - Length 270 miles (435 km)  - % water 1. ... Official language(s) None Capital Madison Largest city Milwaukee Area  Ranked 23rd  - Total 65,498 sq mi (169,790 km²)  - Width 260 miles (420 km)  - Length 310 miles (500 km)  - % water 17  - Latitude 42°30N to 47°3N  - Longitude 86°49W to 92°54W Population  Ranked...

One of the big differences between the Giant Beaver and modern beaver species other than size is their teeth. Modern beavers have chisel-like teeth for gnawing on wood. The teeth of the Giant Beaver are bigger and broader, and grew to about 15 centimeters (6 inches) long. In addition, the tail of the Giant Beaver must have been narrower, and its hind legs shorter. Its great bulk might have restricted its movement on land (although large squat-legged hippopotamuses can move well on land with little difficulty). Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ... Binomial name Hippopotamus amphibius Linnaeus, 1758 The Hippopotamus (Hippopotamus amphibius), from the Greek ‘ιπποπόταμος (hippopotamos, hippos meaning horse and potamos meaning river), is a large, plant-eating African mammal, one of only two extant, and three or four recently extinct, species in the family Hippopotamidae. ...

The first Giant Beaver fossils were discovered in 1837 in a peat bog in Ohio, hence its species epithet ohioensis. Nothing is known on whether or not the Giant Beaver built lodges like modern beavers. In Ohio, there have been claims of a possible Giant Beaver lodge four feet high and eight feet in diameter, formed from small saplings.

External links

  • Canadian Museum of Nature: Giant beaver
  • Beringia: Giant beaver
  • Picture of a giant beaver
  • Pic 2

  Results from FactBites:
Yukon Beringia Interpretive Centre - Giant Beaver (1011 words)
Giant beaver cheek teeth also differ from those of modern beavers in their larger size and simpler enamel configuration.
Giant beavers seem to have flourished in the region south of the Great Lakes toward the close of the last glaciation.
Giant beavers seem to have preferred lakes and ponds bordered by swamps as their habitat, because their remains have been found in ancient swamp deposits so often.
Beaver - info and games (1088 words)
Beavers also gnaw the bark of birch, poplar and willow trees; but during the summer a more varied herbage, with the addition of berries, is consumed.
Beavers on the Comeback: The European Beaver (Castor fiber) was hunted almost to extinction in Europe, both for fur, and for castoreum, a secretion of its scent gland believed to have medicinal properties.
British Beavers: The beaver finally became extinct in Great Britain in the sixteenth century: Giraldus Cambrensis reported in 1188 (Itinerarium ii.iii) that it was to be found only in the Teifi in Wales and in one river in Scotland, though his observations are clearly first hand.
  More results at FactBites »



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