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Origin of adaptations to open environments and social behaviour in sabretoothed cats from the northeastern border of the Tibetan Plateau

文献类型：期刊论文

作者Qigao, Jiangzuo5,6,7,8; Werdelin, Lars4; Sanisidro, Oscar3; Yang, Rong2; Fu, Jiao1,6,7; Li, Shijie1,6,7; Wang, Shiqi6,7; Deng, Tao6,7
刊名PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
出版日期2023-04-26
卷号290期号:1997页码:11
关键词Machairodus Amphimachairodus linxia basin Eastern Asia competition
ISSN号0962-8452
DOI10.1098/rspb.2023.0019
通讯作者Qigao, Jiangzuo(jiangzuo@ivpp.ac.cn) ; Deng, Tao(dengtao@ivpp.ac.cn)
英文摘要The iconic sabretooth Homotherium is thought to have hunted cooperatively, but the origin of this behaviour and correlated morphological adaptations are largely unexplored. Here we report the most primitive species of Amphimachairodus (Amphimachairodus hezhengensis sp. nov.), a member of Machairodontini basal to Homotherium, from the Linxia Basin, northeastern border of the Tibetan Plateau (9.8-8.7 Ma). The long snout, laterally oriented and posteriorly located orbit of Amphimachairodus suggest a better ability to observe the surrounding environment, rather than targeting single prey, pointing to an adaptation to the open environment or social behaviour. A pathological forepaw of Amphimachairodus provides direct evidence of partner care. Our analyses of trait evolutionary rates support that traits correlated with killing behaviour and open environment adaptation evolved prior to other traits, suggesting that changes in hunting behaviour may be the major evolutionary driver in the early evolution of the lineage. A. hezhengensis represents one of the most important transitions in the evolution of Machairodontini, leading to adaptation in open environments and contributing to their further dispersal and radiation worldwide. This rapid morphological change is likely to be correlated with increasingly arid environments caused by the rise of the Tibetan Plateau, and competition from abundant large carnivores in this area.
WOS关键词MACHAIRODUS-APHANISTUS FELIDAE ; LATE MIOCENE ; PREDATORY BEHAVIOR ; EVOLUTION ; CARNIVORA ; HOMOTHERIUM ; MAMMALIA ; SKULL ; ANATOMY ; SITE
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA20070203] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[42102001] ; National Natural Science Foundation of China[41872001] ; National Natural Science Foundation of China[41872005] ; National Natural Science Foundation of China[41772018] ; Key Frontier Science Research Program of the Chinese Academy of Sciences[QYZDY-SSW-DQC-22] ; Key Frontier Science Research Program of the Chinese Academy of Sciences[GJHZ1885] ; China Scholarship Council ; Frick Fund, Department of Vertebrate Paleontology, Division of Paleontology, AMNH
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Evolutionary Biology
语种英语
WOS记录号WOS:000974262200005
出版者ROYAL SOC
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Frontier Science Research Program of the Chinese Academy of Sciences ; China Scholarship Council ; Frick Fund, Department of Vertebrate Paleontology, Division of Paleontology, AMNH
源URL[http://119.78.100.205/handle/311034/22505]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Qigao, Jiangzuo; Deng, Tao
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Hezheng Paleozool Museum, Hezheng 731200, Peoples R China
3.Univ Alcala, Dept Ciencias Vida, GloCEE Global Change Ecol & Evolut Res Grp, Alcala De Henares 28801, Spain
4.Swedish Museum Nat Hist, Dept Palaeobiol, Box 50007, S-10405 Stockholm, Sweden
5.Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA
6.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
7.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100871, Peoples R China
8.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Qigao, Jiangzuo,Werdelin, Lars,Sanisidro, Oscar,et al. Origin of adaptations to open environments and social behaviour in sabretoothed cats from the northeastern border of the Tibetan Plateau[J]. PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,2023,290(1997):11.
APA Qigao, Jiangzuo.,Werdelin, Lars.,Sanisidro, Oscar.,Yang, Rong.,Fu, Jiao.,...&Deng, Tao.(2023).Origin of adaptations to open environments and social behaviour in sabretoothed cats from the northeastern border of the Tibetan Plateau.PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,290(1997),11.
MLA Qigao, Jiangzuo,et al."Origin of adaptations to open environments and social behaviour in sabretoothed cats from the northeastern border of the Tibetan Plateau".PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 290.1997(2023):11.

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来源：古脊椎动物与古人类研究所

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