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Cranial osteology and palaeobiology of the Early Cretaceous bird Jeholornis prima (Aves: Jeholornithiformes)

文献类型：期刊论文

作者Hu, Han7; Wang, Yan6; Fabbri, Matteo5; O'Connor, Jingmai K.3,4,5; Mcdonald, Paul G.2; Wroe, Stephen2; Yin, Xuwei1; Zheng, Xiaoting1,6; Zhou, Zhonghe3,4; Benson, Roger B. J.7
刊名ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
出版日期2022-10-24
页码20
关键词dentition diurnality Jehol Biota neurocranium
ISSN号0024-4082
DOI10.1093/zoolinnean/zlac089
通讯作者Hu, Han(han.hu@earth.ox.ac.uk) ; Wang, Yan(wangyan6696@lyu.edu.cn)
英文摘要Jeholornis is a representative of the earliest-diverging bird lineages, providing important evidence of anatomical transitions involved in bird origins. Although similar to 100 specimens have been reported, its cranial morphology remains poorly documented owing to poor two-dimensional preservation, limiting our understanding of the morphology and ecology of the key avian lineage Jeholornithiformes, in addition to cranial evolution during the origin and early evolution of birds. Here, we provide a detailed description of the cranial osteology of Jeholornis prima, based primarily on high-quality, three-dimensional data of a recently reported specimen. New anatomical information confirms the overall plesiomorphic morphology of the skull, with the exception of the more specialized rostrum. Data from a large sample size of specimens reveal the dental formula of J. prima to be 0-2-3 (premaxillary-maxillary-dentary tooth counts), contrary to previous suggestions that the presence of maxillary teeth is diagnostic of a separate species, Jeholornis palmapenis. We also present evidence of sensory adaptation, including relatively large olfactory bulbs in comparison to other known stem birds, suggesting that olfaction was an important aspect of Jeholornis ecology. The digitally reconstructed scleral ring suggests a strongly diurnal habit, supporting the hypothesis that early-diverging birds were predominantly active during the day.
WOS关键词BASAL BIRD ; EVOLUTION ; SKULL ; MORPHOLOGY ; THEROPOD ; ARCHAEOPTERYX ; NOCTURNALITY ; INFORMATION ; DIVERSITY ; DINOSAURS
资助项目European Union[101024572] ; Shandong Provincial Natural Science Foundation, China ; Linyi Key Research and Development Project[2020ZX028] ; National Natural Science Foundation of China[42288201] ; National Natural Science Foundation of China[41402017] ; National Natural Science Foundation of China[42002016] ; [ZR2020MD026]
WOS研究方向Zoology
语种英语
WOS记录号WOS:000871525400001
出版者OXFORD UNIV PRESS
资助机构European Union ; Shandong Provincial Natural Science Foundation, China ; Linyi Key Research and Development Project ; National Natural Science Foundation of China
源URL[http://119.78.100.205/handle/311034/22000]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Hu, Han; Wang, Yan
作者单位1.Shandong Tianyu Museum Nat, Pingyi, Shandong, Peoples R China
2.Univ New England, Sch Environm & Rural Sci, Zool Div, Armidale, NSW 2351, Australia
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
4.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
5.Field Museum Nat Hist, Negaunee Integrat Res Ctr, Chicago, IL 60605 USA
6.Linyi Univ, Inst Geol & Paleontol, Linyi 276000, Shandong, Peoples R China
7.Univ Oxford, Dept Earth Sci, Oxford OX1 3AN, England
推荐引用方式
GB/T 7714		 Hu, Han,Wang, Yan,Fabbri, Matteo,et al. Cranial osteology and palaeobiology of the Early Cretaceous bird Jeholornis prima (Aves: Jeholornithiformes)[J]. ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,2022:20.
APA Hu, Han.,Wang, Yan.,Fabbri, Matteo.,O'Connor, Jingmai K..,Mcdonald, Paul G..,...&Benson, Roger B. J..(2022).Cranial osteology and palaeobiology of the Early Cretaceous bird Jeholornis prima (Aves: Jeholornithiformes).ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,20.
MLA Hu, Han,et al."Cranial osteology and palaeobiology of the Early Cretaceous bird Jeholornis prima (Aves: Jeholornithiformes)".ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY (2022):20.

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来源：古脊椎动物与古人类研究所

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