Tematica Animali preistorici

Arctodus pristinus Leidy, 1854

Phylum: Chordata Haeckel, 1874

Subphylum: Vertebrata Cuvier, 1812

Classe: Mammalia Linnaeus, 1758

Ordine: Carnivora Bowdich, 1821

Famiglia: Ursidae Fischer, 1817

Genere: Arctodus Leidy, 1854

Descrizione

Era più piccolo e più onnivoro del cugino Arctodus simus il quale era completamente carnivoro. Questa specie probabilmente si è estinta a causa della rivalità con l'orso nero americano e l'orso Grizzly.

Diffusione

America del Nord nel Pleistocene.

Bibliografia

–Brown, Gary (1996). Great Bear Almanac. p. 340. ISBN 978-1558214743.
–Figueirido; et al. (2010). "Demythologizing Arctodus simus, the 'short-faced' long-legged and predaceous bear that never was". Journal of Vertebrate Paleontology. 30 (1): 262-275.
–C. S. Churcher, A. V. Morgan, and L. D. Carter. 1993. Arctodus simus from the Alaskan Arctic Slope. Canadian Journal of Earth Sciences 30(5):1007-1013, collected by A. V. Morgan.
–Cassiliano M. L. (1999). "Biostratigraphy of Blancan and Irvingtonian mammals in the Fish Creek-Vallecito Creek section, southern California, and a review of the Blancan-Irvingtonian boundary". Journal of Vertebrate Paleontology. 19 (1): 169-186.
–Cope E. D. (1879). "The cave bear of California". American Naturalist. 13: 791.
–Brian G. Redmond, PhD., Curator of Archaeology (March 2006). "Before the Western Reserve: An Archaeological History of Northeast Ohio" (PDF). The Cleveland Museum of Natural History. p. 2. Retrieved January 28, 2020.
–Willard, S. "Rochester's Giant Bear Gets Famous". fultoncountyhistory.org. Retrieved 2017-07-17.
–I. Ferrusquia-Villafranca. 1978. Bol Univ Nac Aut Mex Inst Geol 101:193-321.
–Nancy Sisinyak. "The Biggest Bear ... Ever". Alaska Fish and Wildlife News. Retrieved 2008-01-12.
–"Yukon Beringia Interpretive Centre". Archived from the original on 31 March 2014. Retrieved 17 April 2014.
–"North American Bear Center". Extinct Short-faced Bear. Retrieved 17 April 2014.
–Brown, Gary (December 3, 2013). The Bear Almanac, 2nd: A Comprehensive Guide to the Bears of the World. Lyons Press. p. 8. ISBN 978-0762788064.
–"Bear Claw Marks". Riverbluff Cave - The Official Website. Retrieved 17 April 2014.
–"Cave Animals". Riverbluff Cave - The Official Website. Retrieved 17 April 2014.
–Bocherens, H.; Emslie, S. D.; Billiou, D.; Mariotti A. (1995). "Stable isotopes (13C, 15N) and paleodiet of the giant short-faced bear (Arctodus simus)". C R Acad Sci. 320: 779-784.
–National Geographic Channel, 16 September 2007, Prehistoric Predators: Short-faced bear,’’ interview with Dr. Paul Matheus.
–"Ecomorphology of the giant short-faced bears Agriotherium and Arctodus". ResearchGate. Retrieved 2020-03-16.
–Donohue, Shelly L.; DeSantis, Larisa R. G.; Schubert, Blaine W.; Ungar, Peter S. (2013). "Was the giant short-faced bear a hyper-scavenger? A new approach to the dietary study of ursids using dental microwear textures". PLOS One. 8 (10): e77531.
–US National Park Service paleontologist Greg McDonald.
–ScienceDaily, 13 April 2009."Prehistoric bears ate everything and anything, just like modern cousins". ScienceDaily. Retrieved 2009-04-13.
–Nowak, Ronald M. (1999). Walker's mammals of the world (Sixth ed.). Baltimore: Johns Hopkins University Press. ISBN 0-8018-5789-9.

	Data: 05/05/2016 Emissione: Animali preistorici Stato: Djibouti