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Morphology and ontogeny of the eodiscoid trilobite Pagetia vinusta from the Cambrian (Miaolingian) of South China
Cui, Linhao1,2; Dai, Tao1,2; Zhang, Xingliang1,2; Peng, Shanchi(彭善池)3
2019-06-01
发表期刊PALZ
ISSN0031-0220
卷号93期号:2页码:195-206
摘要

The ontogenetic series of the eodiscoid trilobite Pagetia vinusta is first documented, from the crack-out specimens including numerous articulated individuals and many disarticulated sclerites from the Cambrian (Wuliuan) Kaili Formation, Guizhou, southwestern China. Better descriptions of morphological changes during growth are presented, especially the large spine on the glabella and sixth axial pygidial segment, as well as the prominent pygidial larval notch in meraspid development which became progressively less distinct and disappeared in holaspides. An ontogenetic series is established based on the immature and mature exoskeletons from the protaspid to holaspid period. Two substages can be differentiated in the protaspides. Two holaspid instars are recognized with a new pygidial segment added, indicating that the start of the holaspid phase preceded the onset of the epimorphic phase and, accordingly, its developmental mode is attributed to the protarthrous pattern. On this basis, due to the broad palaeogeographic distribution of Pagetia, its valid species are also thoroughly examined and discussed.

关键词Trilobite Eodiscina Pagetia Ontogeny Cambrian China
DOI10.1007/s12542-018-00446-7
语种英语
关键词[WOS]TRUNK SEGMENTATION ; GROWTH
资助项目National Key Research and Development Program[2017YF0603101] ; Natural Science Foundation of China (NSFC)[41890840] ; Natural Science Foundation of China (NSFC)[41621003] ; Natural Science Foundation of China (NSFC)[41330101] ; Natural Science Foundation of China (NSFC)[41521061] ; Natural Science Foundation of China (NSFC)[41290260] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; 111 Project[D17013] ; Ministry of Science and Technology of China[2015FY310100] ; National Commission on Stratigraphy of China[DD20160120-04] ; key project of the State Key Laboratory of Continental Dynamics[201210128] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[173105] ; Shaanxi Natural Science Basic Research Project[2018JM4038] ; Shaanxi Provincial Education Department[17JK0762] ; China Postdoctoral Foundation[2013M530272] ; China Postdoctoral Foundation[2014T70553] ; Northwest University
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000469406100002
项目资助者National Key Research and Development Program ; Natural Science Foundation of China (NSFC) ; Strategic Priority Research Program of Chinese Academy of Sciences ; 111 Project ; Ministry of Science and Technology of China ; National Commission on Stratigraphy of China ; key project of the State Key Laboratory of Continental Dynamics ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; Shaanxi Natural Science Basic Research Project ; Shaanxi Provincial Education Department ; China Postdoctoral Foundation ; Northwest University
出版者SPRINGER HEIDELBERG
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/38554
专题中国科学院南京地质古生物研究所
通讯作者Dai, Tao
作者单位1.Northwest Univ, State Key Lab Continental Dynam, Xian 710069, Shaanxi, Peoples R China
2.Northwest Univ, Dept Geol, Shaanxi Key Lab Early Life & Environm, Xian 710069, Shaanxi, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714
Cui, Linhao,Dai, Tao,Zhang, Xingliang,et al. Morphology and ontogeny of the eodiscoid trilobite Pagetia vinusta from the Cambrian (Miaolingian) of South China[J]. PALZ,2019,93(2):195-206.
APA Cui, Linhao,Dai, Tao,Zhang, Xingliang,&Peng, Shanchi.(2019).Morphology and ontogeny of the eodiscoid trilobite Pagetia vinusta from the Cambrian (Miaolingian) of South China.PALZ,93(2),195-206.
MLA Cui, Linhao,et al."Morphology and ontogeny of the eodiscoid trilobite Pagetia vinusta from the Cambrian (Miaolingian) of South China".PALZ 93.2(2019):195-206.
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