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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Extinct species of carnivore
Ursus etruscus (the Etruscan bear ) is an extinct species of bear, endemic to Europe , Asia and North Africa during the Early Pleistocene , living from approximately 2.2 million to around 1.4-1.2 million years ago.[1]
Skull
Taxonomy [ edit ]
Ursus etruscus appears to have evolved from Ursus minimus and gave rise to the modern brown bear, Ursus arctos , and the extinct cave bear, Ursus spelaeus .[2] The range of Ursus etruscus was mostly limited to continental Europe , with specimens also recovered in the Great Steppe region of Eurasia . Fossil evidence for Ursus etruscus was recovered in Palestine , Greece ,[3] Croatia , and Tuscany, Italy .
Some scientists have proposed that the early, small variety of U. etruscus of the middle Villafranchian era survives in the form of the modern Asian black bear .[4]
Morphology [ edit ]
Not unlike the brown bears of Europe in size, it had a full complement of premolars , a trait carried from the genus Ursavus .
Fossil distribution [ edit ]
Sites and specimen ages:
Vassiloudi, Macedonia Greece ~5.3–1.8 Ma.
Obigarm, Tajikistan ~5.3–1.8 Ma.
Ahl al Oughlam, Morocco ~3.6–1.8 Ma.
Pardines, Auvergne, France ~2.5–1.8 Ma.
Dmanisi, Georgia ~1.8–0.8 Ma.
Mestas de Con, Cangas de Onis, Asturias, Spain ~1.8–0.1 Ma.[5]
Strmica, Croatia ~1.8–0.1 Ma.[6]
References [ edit ]
^
de Torres Pérez-Hidalgo, Trinidad José (1992). "The European descendants of Ursus etruscus C. Cuvier (Mammalia, Carnivora, Ursidae)" . Boletín del Instituto Geológico y minero de España . 103 (4 ): 632–642.
^ Koufos, George D.; Konidaris, George E.; Harvati, Katerina (20 December 2018). "Revisiting Ursus etruscus (Carnivora, Mammalia) from the Early Pleistocene of Greece with description of new material" . Quaternary International . The Gates of Europe. 497 : 222–239. Bibcode :2018QuInt.497..222K . doi :10.1016/j.quaint.2017.09.043 . ISSN 1040-6182 . Retrieved 18 January 2024 – via Elsevier Science Direct.
^
Herrero, Stephen (6–9 November 1970). "Aspects of evolution and adaptation in American black bears (Ursus americanus Pallas ) and brown and grizzly bears (U. arctos Linné ) of North America" (PDF) . Bears: Their Biology and Management . Second International Conference on Bear Research and Management. IUCN Publications New Series no. 23. Vol. 2. Calgary, Alberta, Canada: International Association for Bear Research and Management (published 1972). pp. 221–231. doi :10.2307/3872586 . JSTOR 3872586 . Retrieved 12 December 2020 .
^
"Mestas de Con" . Paleobiology Database . Cangas de Onis collection. collection list 49211.
^
"Tiglian fauna" . Paleobiology Database . Strmica collection. collection list 40502. sediments containing Early Pleistocene or Tiglian fauna.
Further reading [ edit ]
t
e
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Ursus_etruscus&oldid=1230071770 "
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