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New insights on the cave bear population from the Ursilor Cave, Romania

Domenii publicaţii > Ştiinţele pământului şi planetare + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Robu, M., Petculescu, A., Panaiotu, C., Doeppes, D., Vlaicu, M., Dragusin, V., Kenesz, M., Moldovan, O.T., and Constantin, S.

Editorial: Quaternaire, 4, p.107-116, 2011.


The first two palaeontological excavation campaigns held in 2010 at the Ursilor Cave, Bihor Mountains, Romania brought
new information concerning the cave occupation by Ursus spelaeus during the Upper Pleistocene. The excavation is located in the Lower Passageway (Scientific Reserve) and extends over 7 m2 with the lowest point reached during the campaigns at ~125 cm below surface. The overwhelming majority of the fossil material extracted belongs to the cave bear of all age categories. The skeletal
elements found in anatomical connection, the analysis of the long bones orientation, and their relatively good preservation indicate that the bones were deposited under a low-energy hydraulic regime and subsequently covered by lacustrine sediments during at least three flooding episodes. The morphodynamic analysis of the fourth cave bear premolars from the uppermost three layers indicates an MIS 3 age. The P4 index however comes in disagreement with the K-index value for the 4th metatarsal which indicates a low
evolutionary level for the cave bear population from Ursilor cave.

Cuvinte cheie: Ursus spelaeus, taphonomy, biochronological estimation, magnetic susceptibility, Upper Pleistocene, Ursilor Cave, Romania