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  4. 古哺乳动物研究室
EVOLUTION OF PROTANANCUS (PROBOSCIDEA, MAMMALIA) IN EAST ASIA

文献类型：期刊论文

作者Wang, Shiqi1,5; Deng, Tao1; Tang, Tao1,5; Xie, Guangpu2; Zhang, Yuguang3; Wang, Duoqing4
刊名JOURNAL OF VERTEBRATE PALEONTOLOGY
出版日期2015-01-02
卷号35期号:1
英文摘要Interspecific competition and species replacement explain many evolutionary successions, but these processes are difficult to test. According to recent paleontological research, amebelodontines were predominant proboscideans in faunas of the early to middle Miocene of East Asia. In addition to the abundant Platybelodon, other amebelodontines are known, but they have been largely neglected by researchers. Here we describe two species of Protanancus, Pr. tobieni and Pr. brevirostris, sp. nov., from China. The former was present during the middle Miocene in Tongxin and Qin'an and was previously attributed to Amebelodon or Serbelodon; the latter was present during the early Miocene in the Linxia Basin. Cladistic analysis indicates that the two species appear to represent primitive members of Protanancus. However, the phylogenetic relationship among Protanancus, Platybelodon, and Amebelodon remains unresolved because of their strong parallel evolution. Our study suggests intensive competition between Protanancus and Platybelodon based on similarities in their mandibular morphologies and dental microwear patterns, with the former genus disappearing from East Asia by the late middle Miocene. This scenario is supported by a mechanical model, in which lower tusks with dentinal tubules, as occur in Platybelodon, show greater resistance to the adverse effects of both a heavy load and abrasion than those with concentric laminae, present in Protanancus. The model aids in interpreting the evolution of the inner structure of the lower tusks of amebelodontines, which may have provided a competitive advantages for these species.http://zoobank.org/urn:lsid:zoobank.org:pub:4D33BD71-CB05-4058-B9DD-337060B0B7CBSUPPLEMENTAL DATASupplemental materials are available for this article for free at www.tandfonline.com/UJVP
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Paleontology
研究领域[WOS]Paleontology
关键词[WOS]SHOVEL-TUSKED GOMPHOTHERES ; MIDDLE MIOCENE ; LINXIA BASIN ; PLATYBELODON ; CHINA
收录类别SCI
语种英语
WOS记录号WOS:000356911500007
公开日期2015-04-23
源URL[http://119.78.100.205/handle/311034/5383]  
专题古脊椎动物与古人类研究所_古哺乳动物研究室
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China
2.Gansu Prov Museum, Lanzhou 730050, Gansu, Peoples R China
3.Beijing Nat Hist Museum, Beijing 100050, Peoples R China
4.Qinan Museum, Qinan 741600, Gansu, Peoples R China
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Shiqi,Deng, Tao,Tang, Tao,et al. EVOLUTION OF PROTANANCUS (PROBOSCIDEA, MAMMALIA) IN EAST ASIA[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2015,35(1).
APA Wang, Shiqi,Deng, Tao,Tang, Tao,Xie, Guangpu,Zhang, Yuguang,&Wang, Duoqing.(2015).EVOLUTION OF PROTANANCUS (PROBOSCIDEA, MAMMALIA) IN EAST ASIA.JOURNAL OF VERTEBRATE PALEONTOLOGY,35(1).
MLA Wang, Shiqi,et al."EVOLUTION OF PROTANANCUS (PROBOSCIDEA, MAMMALIA) IN EAST ASIA".JOURNAL OF VERTEBRATE PALEONTOLOGY 35.1(2015).

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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