KMS Institute of Vertebrate Paleontology and Paleoanthropology
| An oviraptorid preserved atop an embryo-bearing egg clutch sheds light on the reproductive biology of non-avialan theropod dinosaurs | |
Bi, Shundong1,2; Amiot, Romain3; de Fabregues, Claire Peyre1; Pittman, Michael4; Lamanna, Matthew C.5; Yu, Yilun6; Yu, Congyu7; Yang, Tzuruei8,9; Zhang, Shukang8,9; Zhao, Qi8,9; Xu, Xing8,9
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| 2021-05-15 | |
| 发表期刊 | SCIENCE BULLETIN
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| ISSN | 2095-9273 |
| 卷号 | 66期号:9页码:947-954 |
| 摘要 | Recent studies demonstrate that many avialan features evolved incrementally prior to the origin of the group, but the presence of some of these features, such as bird-like brooding behaviours, remains contentious in non-avialan dinosaurs. Here we report the first non-avialan dinosaur fossil known to preserve an adult skeleton atop an egg clutch that contains embryonic remains. The preserved positional relationship of the adult to the clutch, coupled with the advanced growth stages of the embryos and their high estimated incubation temperatures, provides strong support for the brooding hypothesis. Furthermore, embryos in the clutch are at different developmental stages, suggesting the presence of asynchronous hatching?a derived feature even among crown-group birds?in non-avialan theropods. These findings demonstrate that the evolution of reproductive biology along bird-line archosaurs was a complex rather than a linear and incremental process, and suggest that some aspects of non-avialan theropod reproduction were unique to these dinosaurs. ? 2020 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved. |
| 关键词 | Oviraptorosauria Cretaceous Clutch Brooding Embryos Asynchronous hatching |
| DOI | 10.1016/j.scib.2020.12.018 |
| 关键词[WOS] | CAENAGNATHID DINOSAUR ; BAYAN MANDAHU ; EVOLUTION ; NEST ; INCUBATION ; MONGOLIA ; SKELETON ; REVEALS ; GROWTH |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Natural Science Foundation of China[41688103] ; Yunnan University[2018FY001-005] ; China-Myanmar Joint Laboratory for Ecological and Environmental Conservation ; Double First-Class Joint Program of Yunnan Science and Technology Department[2018FY001-005] ; University of Hong Kong Faculty of Science RAE Improvement Fund ; CNRS Program INSU INTERRVIE |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:000644974600016 |
| 出版者 | ELSEVIER |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/18418 |
| 专题 | 中科院古脊椎所（2000年以后） |
| 通讯作者 | Bi, Shundong; Xu, Xing |
| 作者单位 | 1.Yunnan Univ, Ctr Vertebrate Evolutionary Biol, Inst Palaeontol, Kunming 650091, Yunnan, Peoples R China 2.Indiana Univ Penn, Dept Biol, Indiana, PA 15705 USA 3.Univ Lyon 1, Univ Lyon, CNRS, ENSL,LGL TPE, F-69622 Villeurbanne, France 4.Univ Hong Kong, Div Earth & Planetary Sci, Vertebrate Palaeontol Lab, Hong Kong, Peoples R China 5.Carnegie Museum Nat Hist, Sect Vertebrate Paleontol, Pittsburgh, PA 15213 USA 6.Peking Univ, Yuanpei Coll, Beijing 100871, Peoples R China 7.Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA 8.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China 9.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Bi, Shundong,Amiot, Romain,de Fabregues, Claire Peyre,et al. An oviraptorid preserved atop an embryo-bearing egg clutch sheds light on the reproductive biology of non-avialan theropod dinosaurs[J]. SCIENCE BULLETIN,2021,66(9):947-954. |
| APA | Bi, Shundong.,Amiot, Romain.,de Fabregues, Claire Peyre.,Pittman, Michael.,Lamanna, Matthew C..,...&Xu, Xing.(2021).An oviraptorid preserved atop an embryo-bearing egg clutch sheds light on the reproductive biology of non-avialan theropod dinosaurs.SCIENCE BULLETIN,66(9),947-954. |
| MLA | Bi, Shundong,et al."An oviraptorid preserved atop an embryo-bearing egg clutch sheds light on the reproductive biology of non-avialan theropod dinosaurs".SCIENCE BULLETIN 66.9(2021):947-954. |
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