KMS Institute of Vertebrate Paleontology and Paleoanthropology
| Dietary adaptations and palaeoecology of Lophialetidae (Mammalia, Tapiroidea) from the Eocene of the Erlian Basin, China: combined evidence from mesowear and stable isotope analyses | |
Gong, Yanxin1,2,3; Wang, Yuanqing1,2,3 ; Wang, Yang4,5,6; Mao, Fangyuan1,3,7; Bai, Bin1,3; Wang, Haibing1,3; Li, Qian1,3; Jin, Xun1,3; Wang, Xu8; Meng, Jin7
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| 2019-12-18 | |
| 发表期刊 | PALAEONTOLOGY
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| ISSN | 0031-0239 |
| 卷号 | 63期号:4页码:18 |
| 摘要 | Lophialetidae is an extinct group of endemic Asiatic tapiroids that are widely distributed in the Eocene sediments of Asia. Schlosseria magister and Lophialetes expeditus are the most abundant species in this family. However, their dietary and ecological characteristics are largely unknown. For the first time, we reconstruct the palaeodiet and habitat of these two lophialetids using a combination of mesowear and stable carbon isotope analysis of fossil teeth excavated from the Erlian Basin, China. Mesowear analysis (n = 141) suggests that the dietary structure of S. magister and L. expeditus shifted from less to more abrasive diets from 52 to 42 Ma. Stable carbon isotope analysis (n = 137) suggests that the habitats of S. magister and L. expeditus became drier and/or more open through time. The dietary shifts of the two lophialetids are consistent with evident changes in habitat. The changes in the diet and habitat were probably related to global climate change during that time period. The gradual drop in global temperatures during the early-middle Eocene led to a drier and more open terrestrial ecosystem in the Erlian Basin, probably resulting in changes in floral composition of the environment inhabited by S. magister and L. expeditus. Hence, herbivores highly susceptible to vegetation modification had to develop new resource exploitation strategies to adapt to these changes. Schlosseria magister, considered to be the sister-group of L. expeditus and with a low level of ecological flexibility, was unable to adapt to the habitat changes finally becoming extinct at 45 Ma. |
| 关键词 | Inner Mongolia ungulate palaeodiet palaeoecology mesowear stable carbon isotope |
| DOI | 10.1111/pala.12471 |
| 关键词[WOS] | LATE MIOCENE ; UNGULATE MAMMALS ; LATE PLEISTOCENE ; FEEDING ECOLOGY ; TIBETAN PLATEAU ; CARBON ISOTOPES ; FOSSIL MAMMALS ; BONE APATITE ; TOOTH ; EXTINCT |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41672014] ; National Natural Science Foundation of China[41572021] ; National Science Foundation[DMR-1644779] ; State of Florida ; 'Joint PhD Training Program' in UCAS |
| WOS研究方向 | Paleontology |
| WOS类目 | Paleontology |
| WOS记录号 | WOS:000503103000001 |
| 出版者 | WILEY |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/16866 |
| 专题 | 中科院古脊椎所（2000年以后） |
| 通讯作者 | Gong, Yanxin; Wang, Yuanqing |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 3.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China 4.Florida State Univ, Dept Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA 5.Natl High Magnet Field Lab, Tallahassee, FL 32306 USA 6.Jinan Univ, Inst Groundwater & Earth Sci, Guangzhou 510632, Guangdong, Peoples R China 7.Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA 8.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gong, Yanxin,Wang, Yuanqing,Wang, Yang,et al. Dietary adaptations and palaeoecology of Lophialetidae (Mammalia, Tapiroidea) from the Eocene of the Erlian Basin, China: combined evidence from mesowear and stable isotope analyses[J]. PALAEONTOLOGY,2019,63(4):18. |
| APA | Gong, Yanxin.,Wang, Yuanqing.,Wang, Yang.,Mao, Fangyuan.,Bai, Bin.,...&Meng, Jin.(2019).Dietary adaptations and palaeoecology of Lophialetidae (Mammalia, Tapiroidea) from the Eocene of the Erlian Basin, China: combined evidence from mesowear and stable isotope analyses.PALAEONTOLOGY,63(4),18. |
| MLA | Gong, Yanxin,et al."Dietary adaptations and palaeoecology of Lophialetidae (Mammalia, Tapiroidea) from the Eocene of the Erlian Basin, China: combined evidence from mesowear and stable isotope analyses".PALAEONTOLOGY 63.4(2019):18. |
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