Arctodus (Short faced bear)

Ark-toe-dus.
Published on

Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Arctodus (Bear tooth).

Phonetic

Ark-toe-dus.

Named By

Classification

Chordata,‭ ‬Mammalia,‭ ‬Carnivora,‭ ‬Ursidae,‭ ‬Tremarctinae,‭ ‬Tremarctini.

Diet

Omnivore.

Species

Size

About 1.6 to 1.8‭ ‬meters tall at the shoulder,‭ ‬when on all fours.‭ ‬Weight estimated at up to‭ ‬800‭ ‬kg.

Known locations

Throughout North America.

Time Period

Pleistocene.

Fossil representation

Multiple specimens.

In Depth

Further Reading

– A new record of giant short-faced bear, Arctodus simus, from western North America with a re-evaluation of its paleobiology. – Contributions in Science, Natural History Museum of Los Angeles County 371:1-12. – S. D. Emslie & N. J. Czaplewski – 1985. – The short-faced bear Arctodus simus from the late Quaternary in the Wasatch Mountains of central Utah. – Journal of Vertebrate Paleontology 12(1):107-112. – D. D. Gillette & D. B. Madsen – 1992. – Arctodus simus from the Alaskan Arctic Slope. – Canadian Journal of Earth Sciences 30(5):1007-1013, collected by A. V. Morgan – C. S. Churcher, A. V. Morgan & L. D. Carter – 1993. – Distribution and size variation in North American short-faced bears, Arctodus simus. – Paleoecology and paleoenvironments of Late Cenozoic mammals 191-246. – R. Richards, C. S. Churcher & W. D. Turnbull – 1996. – What size were Arctodus simus and Ursus spelaeus (Carnivora: Ursidae)? – Annales Zoologici Fennici 36: 93–102. – Per Christiansen – 1999. – A partial short-faced bear skeleton from an Ozark cave with comments on the paleobiology of the species. – Journal of Cave and Karst Studies 65(2):101-110. – B. W. Schubert and J. E. Kaufmann – 2003. – Ecomorphological correlates of craniodental variation in bears and paleobiological implications for extinct taxa: an approach based on geometric morphometrics – Journal of Zoology Volume 277, Issue 1, pages 70–80 – B. Figueirido, P. Palmqvist & J. A. P�rez-Claros – 2010. – Demythologizing Arctodus simus, the ‘short-faced. – Journal of Vertebrate Paleontology 30 (1): 262–275. – Borja Figueirido, Juan A. P�rez-Claros, Vanessa Torregrosa, Alberto Mart�n-Serra & Paul Palmqvist – 2010. – Giant short-faced bear (Arctodus simus) from late Wisconsinan deposits at Cowichan Head, Vancouver Island, British Columbia – Canadian Journal Earth Sciences, v. 47:1029-1036 – Martina L. Steffen & C. R. Steffen – 2010. – Cursorial Adaptations in the Forelimb of the Giant Short-Faced Bear, Arctodus simus, Revealed by Traditional and 3D Landmark Morphometrics – EAST TENNESSEE STATE UNIVERSITY, 247 pages – Eric R. Lynch M. S. – 2012. – 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. doi:10.1371/journal.pone.0077531. – Shelly L. Donohue, Larisa R. G. DeSantis, Blaine W. Schubert, Peter S. Ungar – 2013. – Dental caries in the fossil record: A window to the evolution of dietary plasticity in an extinct bear. – Scientific Reports. 7 (1): 17813. – Borja Figueirido, Alejandro Perez, Blaine W Schubert, Francisco Jos� Serrano, Aisling Farrell, Francisco Pastor, Aline A Neves & Alejandro Romero – 2017. – Ancient genomes reveal hybridisation between extinct short-faced bears and the extant spectacled bear (Tremarctos ornatus).- Alexander T Salis, Graham Gower, Blaine W. Schubert, Leopoldo H. Soibelzon, Holly Heiniger, Alfredo Prieto, Francisco J. Prevosti, Julie Meachen, Alan Cooper & Kieren J. Mitchell – 2021. – Dietary niche separation of three Late Pleistocene bear species from Vancouver Island, on the Pacific Northwest Coast of North America. – Journal of Quaternary Science: jqs.3451. – Cara Kubiak, Vaughan Grimes, Geert Van Biesen, Grant Keddie, Mike Buckley, Reba Macdonald & M. P. Richards – 2022.

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