期刊
GEOBIOS
卷 48, 期 2, 页码 131-136出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.geobios.2015.02.004
关键词
Mammalia; Gobiconodontidae; Zhangheotherian; Kiyatherium sp.; Early Cretaceous; Ilek Formation; Siberia
类别
资金
- Tomsk State University Academic D.I. Mendeleev Fund Program
- Russian Foundation for Basic Research [13-04-01401]
Two new mammal localities have been discovered in the Lower Cretaceous Ilek Formation of West Siberia, Russia. The Smolenskii Yar locality in the Chebula District of Kemerovo Province produced an upper molariform tooth (M2) of a Gobiconodontidae indet. The Ust'-Kolba locality in the Tisul' District of Kemerovo Province yielded a lower molar (m2) of the zhangheotherian Kiyatherium sp. These are the ninth and tenth Mesozoic mammal localities for Russia. The Kiyatherium-bearing vertebrate assemblage from the Shestakovo 3 and Ust'-Kolba localities is likely to be the youngest within the Ilek Formation, reflecting the time after the extinction of the Tritylodontidae. (C) 2015 Elsevier Masson SAS. All rights reserved.
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