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Pterosaur remains from uppermost Lower Cretaceous (Albian) of China, with comments on the femoral osteological correlates for thigh muscles

文献类型：期刊论文

作者Song, Junyi1,2; Jiang, Shunxing2; Wang, Xiaolin1,2
刊名CRETACEOUS RESEARCH
出版日期2023-10-01
卷号150页码:16
ISSN号0195-6671
关键词Pterosauria Azhdarchoidea Lower Cretaceous Osteological correlates China
DOI10.1016/j.cretres.2023.105588
通讯作者Jiang, Shunxing(jiangshunxing@ivpp.ac.cn)
英文摘要Pterosaurs, an extinct group that ruled Mesozoic skies, flourished during the Cretaceous. Knowledge about their radiation largely comes from several Lagerstaeurotten, especially in China and Brazil. Despite their abundance and diversity in other continents during the latest Early Cretaceous, pterosaurs from East Asia in this period are extremely rare, rendering their evolutionary history still unexplored. Here we redescribe pterosaur remains from the Albian Doushan Formation of Laiyang, Shandong Province, China, to refine such gap. The most completely preserved element, a femur, can be assigned to the Azhdarchoidea, a clade achieving global distribution by the end of the Early Cretaceous, based on combination of derived and plesiomorphic characters including the triangular and anteriorly curved 'greater trochanter', a deep 'intertrochanteric fossa' with a pneumatic foramen, presence of a bulbous ridge and a pulley-like lateral condyle. Moreover, osteological correlates for thigh muscles on the femur are identified here using the Extant Phylogenetic Bracket method. The general pattern of these osteological correlates is conservative when compared with other basal ornithodirans. The pterosaurian 'greater trochanter' is not homologous to the lesser trochanter in other archosaurs as previously suggested. M. femorotibialis internus is subdivided into two parts in some pterosaurs, probably representing a derived trait.& COPY; 2023 Elsevier Ltd. All rights reserved.
WOS关键词WING SKELETON ; SOFT-TISSUES ; MUSCULATURE ; EVOLUTION ; PTERODACTYLOIDEA ; ONTOGENY ; BIRDS ; LINE ; AZHDARCHIDAE ; HOMOLOGY
资助项目National Natural Science Foundation of China[42072028] ; National Natural Science Foundation of China[42288201] ; Strategic Priority Research Program (B) of Chinese Academy of Sciences[XDB26000000] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2019075]
WOS研究方向Geology ; Paleontology
语种英语
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
WOS记录号WOS:001021141100001
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences
源URL[http://119.78.100.205/handle/311034/22715]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Jiang, Shunxing
作者单位1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Song, Junyi,Jiang, Shunxing,Wang, Xiaolin. Pterosaur remains from uppermost Lower Cretaceous (Albian) of China, with comments on the femoral osteological correlates for thigh muscles[J]. CRETACEOUS RESEARCH,2023,150:16.
APA Song, Junyi,Jiang, Shunxing,&Wang, Xiaolin.(2023).Pterosaur remains from uppermost Lower Cretaceous (Albian) of China, with comments on the femoral osteological correlates for thigh muscles.CRETACEOUS RESEARCH,150,16.
MLA Song, Junyi,et al."Pterosaur remains from uppermost Lower Cretaceous (Albian) of China, with comments on the femoral osteological correlates for thigh muscles".CRETACEOUS RESEARCH 150(2023):16.

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来源：古脊椎动物与古人类研究所

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