中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal

文献类型:期刊论文

作者Mao, Fangyuan1,2,3; Hu, Yaoming2; Li, Chuankui2,3; Wang, Yuanqing2,3; Chase, Morgan Hill4; Smith, Andrew K.4; Meng, Jin1,5
刊名SCIENCE
出版日期2020-01-17
卷号367期号:6475页码:305-+
ISSN号0036-8075
DOI10.1126/science.aay9220
通讯作者Mao, Fangyuan(maofangyuan@ivpp.ac.cn) ; Meng, Jin(jmeng@amnh.org)
英文摘要On the basis of multiple skeletal specimens from Liaoning, China, we report a new genus and species of Cretaceous stem therian mammal that displays decoupling of hearing and chewing apparatuses and functions. The auditory bones, including the surangular, have no bone contact with the ossified Meckel's cartilage; the latter is loosely lodged on the medial rear of the dentary. This configuration probably represents the initial morphological stage of the definitive mammalian middle ear. Evidence shows that hearing and chewing apparatuses have evolved in a modular fashion. Starting as an integrated complex in non-mammaliaform cynodonts, the two modules, regulated by similar developmental and genetic mechanisms, eventually decoupled during the evolution of mammals, allowing further improvement for more efficient hearing and mastication.
WOS关键词OSSEOUS INNER-EAR ; MIDDLE-EAR ; YIXIAN FORMATION ; EVOLUTIONARY DEVELOPMENT ; FEATHERED DINOSAURS ; LIAONING PROVINCE ; WESTERN SIBERIA ; JEHOL BIOTA ; CHINA ; AGE
资助项目National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41404022] ; Chinese Academy of Sciences[XDB26000000] ; Youth Innovation Promotion Association CAS[2019076] ; Kalbfleisch Fellowship, Richard Gilder Graduate School, American Museum of Natural History
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000509802700041
出版者AMER ASSOC ADVANCEMENT SCIENCE
资助机构National Natural Science Foundation of China ; Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Kalbfleisch Fellowship, Richard Gilder Graduate School, American Museum of Natural History
源URL[http://119.78.100.205/handle/311034/17065]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Mao, Fangyuan; Meng, Jin
作者单位1.Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA
2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
3.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
4.Amer Museum Nat Hist, Microscopy & Imaging Facil, New York, NY 10024 USA
5.CUNY, Grad Ctr, Earth & Environm Sci, New York, NY 10016 USA
推荐引用方式
GB/T 7714
Mao, Fangyuan,Hu, Yaoming,Li, Chuankui,et al. Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal[J]. SCIENCE,2020,367(6475):305-+.
APA Mao, Fangyuan.,Hu, Yaoming.,Li, Chuankui.,Wang, Yuanqing.,Chase, Morgan Hill.,...&Meng, Jin.(2020).Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal.SCIENCE,367(6475),305-+.
MLA Mao, Fangyuan,et al."Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal".SCIENCE 367.6475(2020):305-+.

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来源:古脊椎动物与古人类研究所

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