中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
TWO EOBAATARID (MULTITUBERCULATA; MAMMALIA) GENERA FROM THE LOWER CRETACEOUS SHAHAI AND FUXIN FORMATIONS, NORTHEASTERN CHINA

文献类型:期刊论文

作者Kusuhashi, Nao1,2; Hu, Yaoming1; Wang, Yuanqing1; Setoguchi, Takeshi2; Matsuoka, Hiroshige2; nkusu@sci.ehime-u.ac.jp
刊名JOURNAL OF VERTEBRATE PALEONTOLOGY
出版日期2009-12-12
卷号29期号:4页码:1264-1288
ISSN号0272-4634
关键词Sihetun Vertebrate Age Boundary Bearing Mongolia Montana
文献子类Article
英文摘要Two eobaatarid multituberculate genera including three species front the Lower Cretaceous (Aptian-Albian) Shahai and Fuxin formations in Liaoning Province, northeastern China are described here: Sinobaatar xiei sp. nov., S. fuxinensis sp. nov., and Liaobaatar changi gen. et sp. nov. Sinobaatar xiei is characterized by in I with cusp formula 3:2 (labial:lingual), P4 with cusp formula 2:4. blade-like P5 with three cusps anteroposteriorly arranged, M I with cusp formula 4:4, and M2 with cusp formula 3:4. P1 to P3 of S. xiei lack distinct posterior cingulum. Sinobaatar fuxinensis has a more distinct posterior cingulum on P1 to P3, and its M2 has cusp formula 3:3. Sinobaatar xiei is within the size range of most other eobaatarids, and S. fuxinensis is slightly larger than S. xiei. Liaobaatar changi is clearly larger than other eobaatarids. The ratio of p4 length and height of L. changi and S. xiei (L./S.) are 1.9 and 1.7, respectively. Liaobaatar changi is also characterized by nil with cusp formula 3:3. A specimen of S. fuxinensis indicates that tooth replacement in eobaatarids occurred in the typical backward sequence seen in Late Cretaceous-Tertiary multituberculates.
WOS关键词SIHETUN VERTEBRATE ; AGE ; BOUNDARY ; BEARING ; MONGOLIA ; MONTANA
WOS研究方向Paleontology
语种英语
WOS记录号WOS:000272861400022
公开日期2013-11-27
源URL[http://119.78.100.205/handle/311034/4674]  
专题古脊椎动物与古人类研究所_图书馆1
古脊椎动物与古人类研究所_古低等脊椎动物研究室
通讯作者nkusu@sci.ehime-u.ac.jp
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
2.Kyoto Univ, Dept Geol & Mineral, Grad Sch Sci, Kyoto 6068502, Japan
推荐引用方式
GB/T 7714
Kusuhashi, Nao,Hu, Yaoming,Wang, Yuanqing,et al. TWO EOBAATARID (MULTITUBERCULATA; MAMMALIA) GENERA FROM THE LOWER CRETACEOUS SHAHAI AND FUXIN FORMATIONS, NORTHEASTERN CHINA[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2009,29(4):1264-1288.
APA Kusuhashi, Nao,Hu, Yaoming,Wang, Yuanqing,Setoguchi, Takeshi,Matsuoka, Hiroshige,&nkusu@sci.ehime-u.ac.jp.(2009).TWO EOBAATARID (MULTITUBERCULATA; MAMMALIA) GENERA FROM THE LOWER CRETACEOUS SHAHAI AND FUXIN FORMATIONS, NORTHEASTERN CHINA.JOURNAL OF VERTEBRATE PALEONTOLOGY,29(4),1264-1288.
MLA Kusuhashi, Nao,et al."TWO EOBAATARID (MULTITUBERCULATA; MAMMALIA) GENERA FROM THE LOWER CRETACEOUS SHAHAI AND FUXIN FORMATIONS, NORTHEASTERN CHINA".JOURNAL OF VERTEBRATE PALEONTOLOGY 29.4(2009):1264-1288.

入库方式: OAI收割

来源:古脊椎动物与古人类研究所

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