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New Material of Sinopterus (Pterosauria, Tapejaridae) from the Early Cretaceous Jehol Biota of China
Zhang, Xinjun1,2,3; Jiang, Shunxing1,2; Cheng, Xin1,4; Wang, Xiaolin1,2,3
2019
发表期刊ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
ISSN0001-3765
卷号91期号:0页码:19
摘要Tapejaridae is a Glade of toothless pterosaurs typically characterized by a large nasoantorbital fenestra and a premaxillary crest that extends from the anterior to the posterior part of the skull. Sinopterus dongi was the first reported Chinese tapejarid. Another genus "Huaxiapterus" was described, but it was later on determined that "huaxiapterus" is in fact an invalid name. Here, we report on a new juvenile specimen of Sinopterus atavismus from the Jiufotang Formation of western Liaoning, China, and revise the diagnosis of this species. Sinopterus atavismus does not present a square-like crest. Moreover the feature that groove in the ventral part of the second or third phalanx of manual digit IV is not diagnostic of the species. In the new material, the skull preserves a pointed process in the middle part of the dorsal margin of the premaxillary crest, which is different from other Chinese tapejarids. Considering the new specimen is known from a large skeleton that differed from the holotype, this difference may be related to ontogeny, as the premaxillary crest of the holotype is short and does not extend as long as that of the new specimen.
关键词Sinopterus atavismus ontogeny Jiufotang Formation Liaoning China
DOI10.1590/0001-376520192018756
关键词[WOS]HUAXIAPTERUS PTEROSAURIA ; JIUFOTANG FORMATION ; PTERODACTYLOIDEA ; ONTOGENY
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41688103] ; Chinese Academy of Sciences[XDB18000000] ; Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41572020] ; National Natural Science Foundation of China[41602011] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[183113] ; Fundacao Cearense de Apoio ao Desenvolvimento Cientifico e Tecnologico (FUNCAP)[DCR-0024-02039.01.00/]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000473791100001
出版者ACAD BRASILEIRA DE CIENCIAS
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/9998
专题中科院古脊椎所(2000年以后)
通讯作者Wang, Xiaolin
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
2.CAS Ctr Excellence Life & Paleoenvironm, 142 Xizhimenwai St,POB 643, Beijing 100044, Peoples R China
3.Univ Chinese Acad Sci, Yuquan Rd, Beijing 100049, Peoples R China
4.Univ Reg Cariri, Lab Paleontol, Rua Coronel Antonio Luis 1161, BR-63195000 Crato, CE, Brazil
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Zhang, Xinjun,Jiang, Shunxing,Cheng, Xin,et al. New Material of Sinopterus (Pterosauria, Tapejaridae) from the Early Cretaceous Jehol Biota of China[J]. ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS,2019,91(0):19.
APA Zhang, Xinjun,Jiang, Shunxing,Cheng, Xin,&Wang, Xiaolin.(2019).New Material of Sinopterus (Pterosauria, Tapejaridae) from the Early Cretaceous Jehol Biota of China.ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS,91(0),19.
MLA Zhang, Xinjun,et al."New Material of Sinopterus (Pterosauria, Tapejaridae) from the Early Cretaceous Jehol Biota of China".ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS 91.0(2019):19.
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