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Encyclopedia > Arctodus
iArctodus
Conservation status
Prehistoric
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Ursidae
Subfamily: Tremarctinae
Genus: Arctodus

Arctodus, also known as the Short-Faced Bear, is a genus of extinct bear. One species, the Giant Short-Faced Bear (Arctodus simus), is believed to be the largest bear that ever lived. Standing 5.5 feet at the shoulder (over 11 feet when standing on hind legs) and equipped with powerful jaws this bear would have been an intimidating sight. From the fossils found, Giant short-faced bear was estimated to weigh 2000 pounds (900 kg) However, it was leaner in build than the Brown Bear. The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Parazoa Porifera (sponges) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus) Chordata (vertebrates, etc. ... {{{subdivision_ranks}}} See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Orders Subclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals primarily characterized by the presence of mammary... Families 17, See classification The diverse and interesting order Carnivora IPA: (from Latin carō (stem carn-) flesh, + vorāre to devour) includes over 260 placental mammals. ... For other meanings, see Bear (disambiguation). ... Genera Ailuropoda Ailurus Helarctos Melursus Ursus Tremarctos Arctodus (extinct) A bear is a large mammal in the family Ursidae of the order Carnivora. ... Arctodus, also known as the Short-Faced Bear, is a genus of extinct bear. ...


Arctodus seems to have been an omnivore, as the jaw structure and teeth resemble those of the modern bears, but with a bias toward eating much more meat than do modern bears. It was, by far the biggest land predator during the Ice Age in North America. It may have attacked bison, deer, elk, camel and other large herbivores, but probably partly lived, like many other large carnivores like lions, as a scavenger. Compared to modern brown bears it had much longer limbs and was generally more slender. It had a very short, broad muzzle which gives rise to its name, and which gave it a very powerful bite. Its long legs were adapted for a faster running-style than modern bears. This trait enabled Arctodus to range far and wide in search of prey and carrion, while its powerful bite enabled it to crack open bones to reach rich marrow. Pigs are omnivores. ... This snapping turtle is trying to make a meal of a Canada goose, but the goose is too wary. ... 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). ... World map showing North America A satellite composite image of North America. ... Species B. antiquus B. bison B. bonasus B. priscus Bison is a taxonomic genus containing six species of large even-toed ungulates within the subfamily Bovinae. ... Subfamilies Capreolinae Cervinae Hydropotinae Muntiacinae A deer is a ruminant mammal belonging to the family Cervidae. ... Binomial name Cervus canadensis New species designate Elk (Cervus canadensis), are the second largest species of deer in the world, after the Moose (Alces alces). ... Species Camelus bactrianus Camelus dromedarius Camels are even-toed ungulates in the genus Camelus. ... Harvestman eating the tail of a five-lined skink The word scavenger, in zoology, refers to animals that consume already dead organic life-forms. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Titan arum For other uses, see Carrion (disambiguation). ... Marrow can mean bone marrow, the interior of long bones vegetable marrow a vegetable like squash, or a large courgette or zucchini This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ...


The largest known skull of Arctodus was found by a Yukon gold miner. Another fossil from southern Saskatchewan indicates that Arctodus lived there more than 70,000 years ago. Arctodus simus, the largest species, ranged the high grasslands of western North America from Alaska to Mexico, while a lighter-built species (Arctodus pristinus) with smaller teeth inhabited the more heavily wooded Atlantic coastal region. It has been suggested that temporal fenestra be merged into this article or section. ... Motto: none Official languages English, French Flower Fireweed Tree Subalpine Fir Bird Common Raven Capital Whitehorse Largest city Whitehorse Commissioner Geraldine Van Bibber Premier Dennis Fentie (Yukon Party) Parliamentary representation  - House seat  - Senate seats 1 1 Area Total  - Land  - Water  (% of total)  Ranked 9th 482,443 km² 474,391 km... An ammonite fossil Eocene fossil fish of the genus Knightia Petrified wood fossil formed through permineralization. ... Motto: Multis E Gentibus Vires (Latin: From many peoples, strength) Official languages English Flower Western Red Lily Tree Paper Birch Bird Sharp-tailed Grouse Capital Regina Largest city Saskatoon Lieutenant-Governor Gordon Barnhart Premier Lorne Calvert (NDP) Parliamentary representation  - House seats  - Senate seats 14 6 Area Total  - Land  - Water  (% of... An Inner Mongolian Grassland. ... Official language(s) English Capital Juneau Largest city Anchorage Area  Ranked 1st  - Total 663,267 sq mi (1,717,854 km²)  - Width 808 miles (1,300 km)  - Length 1,479 miles (2,380 km)  - % water 13. ... The Atlantic Ocean is Earths second-largest ocean, covering approximately one_fifth of its surface. ...


The short-faced bear belongs to a group of bears known as the Tremarctine bears, which are of New World origin. The earliest member of the Tremarctinae is Plionarctos, which lived in Texas during the Pliocene Epoch (about 5-2 million years ago). It is likely that this genus is ancestral to the Spectacled Bear (Tremarctos) and the short-faced bear. Although the early history of Arctodus is poorly known, it evidently became widespread in North America by the Kansan age (about 800,000 years ago). Official language(s) See: Languages of Texas Capital Austin Largest city Houston Area  Ranked 2nd  - Total 268,581 sq mi (695,622 km²)  - Width 773 miles (1,244 km)  - Length 790 miles (1,270 km)  - % water 2. ... The Pliocene epoch (spelled Pleiocene in some older texts) is the period in the geologic timescale that extends from 5. ... A division of geologic time less than a period and greater than an age. ... Binomial name Tremarctos ornatus (Cuvier, 1825) The Spectacled Bear (Tremarctos ornatus), also known as the Andean Bear, has black fur with a distinctive beige-coloured marking across its face and upper chest. ... Kansan Glaciation List of Kansan people This is a disambiguation page — a list of articles associated with the same title. ...


The short-faced bear became extinct some 12,000 years ago, perhaps partly because some of its large prey died out earlier, and partly because of competition with the smaller, more herbivorous brown bears that entered North America from Eurasia. Since its demise coincides with the development of the Clovis technology and improved hunting techniques by humans in North America, hunting may also have contributed to its extinction both directly and due to the depletion of other large mammals on which it depended for food. A deer and two fawns feeding on some foliage A herbivore is often defined as any organism that eats only plants[1]. By that definition, many fungi, some bacteria, many animals, about 1% of flowering plants and some protists can be considered herbivores. ... Eurasia African-Eurasian aspect of Earth Eurasia is the landmass composed of Europe and Asia. ... The Clovis culture (also Llano culture) is a prehistoric Native American culture that first appears in the archaeological record of North America around 13,500 years ago, at the end of the last ice age. ...


External links

  • An artist's impression of Arctodus

  Results from FactBites:
 
Arctodus at AllExperts (534 words)
Arctodus seems to have been an omnivore, as the jaw structure and teeths resemble those of the modern bears, but with a bias toward eating much more meat than do modern bears.
Arctodus simus, the largest species, ranged the high grasslands of western North America from Alaska to Mexico, while a lighter-built species (Arctodus pristinus) with smaller teeth inhabited the more heavily wooded Atlantic coastal region.
Although the early history of Arctodus is poorly known, it evidently became widespread in North America by the Kansan age (about 800,000 years ago).
  More results at FactBites »

 
 

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