![]() ![]() At that time, the most abundant brown bear population was located in what is now California. This prehistoric giant inhabited North America in the Pleistocene epoch from approx. Was a short-faced bear the perfect killing machine? Classification However, some early giant carnivorous mammals such as Andrewsarchus, Sarkastodon, and Megistotherium appear to have been similar or even larger. It was believed to be one of the largest predatory mammals that lived on Earth during the Ice Age. It could be as fast as the best modern racehorses, and with physical strength and charisma, it was able to defeat the saber-toothed tiger or the American lion. 1996 Schultz 1937 Schultz and Howard 1935 Shaw and Cox 2006 Stock and Harris 1992).An animal that, standing on two legs, could reach the first floor. 2 (Harris 1993c) Maricopa (Jefferson 1991b).Ĭonkling 1932 Fiedel 2009 Harris 1987, 1993c Harris and Findley 1964 Jefferson 1991b, 2014 Kurtén 1967 Kurtén and Anderson 1980 Lundelius 1984 Morgan and Lucas 2005 Pajak et al. (Conkling 1932: sp.) Cueva Quebrada (Lundelius 1984) Isleta Cave No. Late Wisconsin: Burnet Cave (Schultz and Howard 1935) Conkling Cavern ![]() Mid/Late Wisconsin: Rancho La Brea (Stock and Harris 1992). Mid Wisconsin: McKittrick (Schultz 1937) U-Bar Cave (Harris 1987). Late Rancholabrean: Big Bear (Morgan and Lucas 2005). 1996).Įarly Rancholabrean: Albuquerque Gravel Pits (Morgan and Lucas 1996) Lake SanĪgustín (Morgan and Lucas 2005) Oso Cave (Richards et al. Rancholabrean: Bitter Springs Playa (Jefferson 2014) Keams Canyon (Richards et al. Irvingtonian: Anza-Borrego (Shaw and Cox 2006) Elsinore: Microtus/Mammuthus (Pajak et al. ![]() Tremarctos is unrecorded from the state.Īrctodus hung on until the end of the Pleistocene Fiedel (2009) gives The localities (apparently the Isleta Caves andĬonkling Cavern) appear to actually pertain to Arctodus simus. Kurtén and Anderson (1980) mapped two localities for Tremarctos floridanus Giant Short-faced Bear specimen from U-Bar Cave. Of the head of the femur: 68.5 mm for Arctodus and 36.5 mm for UrsusĪmericanus. Some idea of size can be seen from the medial-lateral measurement Proximal femur of Ursus americanus (left) and Arctodus simus Identified only from one of the two sites.įig. 2 it has been listed in both, but apparently was It also is not clear at this point whether the site involved was Isleta Cave No. Specimen cannot be found and apparently never returned. The record from the Isleta Caves was based on an identification by Kurtén, but the Sheets as 12,650 ± 350 BP at Lubbock Lake, in the Texas Panhandle. Kurtén and Anderson (1980) gave terminal dates for occurrence south of the ice Kurtén concluded that it was "by far the most powerful predator in the ![]() Rostral breadth that suggested carnivory. The skull was convergent upon those of the great cats, with a short, but very wide, Terrestrial movement but not adaptation for climbing or digging. He suggested that the skeleton indicates adaptation to relatively fast Simus was noted by Kurtén (1967) as an exceptionally long-limbed bear, with theĭifference being especially great for the hind limb, which is notably longer than theįorelimb. Arctotherium simum, Tremarctotherium simum. † Arctodus simus (Cope 1879)-Giant Short-faced ![]()
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