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Trunk regionalization and functional morphology of the globally distributed trilobite Bathynotus from Cambrian Series 2 of China
Yang, Kaiyu1,2; Dai, Tao1,2; Zhang, Xingliang1,2; Peng, Shanchi(彭善池)3
2021-06-02
Source PublicationPALZ
ISSN0031-0220
Pages13
Abstract

This study presents a case in trunk regionalization and functional morphology of redlichiid trilobites, based on a globally distributed Bathynotus, collected from the base of the Kaili Formation in the late Cambrian Series 2 of China. This micropygous trilobite processed a body pattern with four types of thoracic tergites within two batches at maturity: a homonymous morphotype with similar thoracic tergite structure throughout the anterior portion of the thorax, and a heteronomous morphotype in the posterior portion of the thorax, with a pair of macropleurae in the 11th thoracic tergite and two pairs of tiny pleurae (micropleurae) in the 12th and 13th thoracic tergites. The unique morphology by regionalization in Bathynotusis considered closely related to its articulation structures and the ability to perform encapsulated enrolment, permitting the posterior trunk tergites with long pleural spines to fully cover the ventral cephalic shield during dorsal flexure. The regional integration of trunk tergites into structural regions provides the opportunity to trace the origin of their functional morphology and behavior in the evolutionary process of trilobite caudalization.

KeywordTrilobite Redlichiids Cambrian Body plan Enrolment Bathynotus
DOI10.1007/s12542-021-00557-8
Indexed BySCI
Language英语
WOS KeywordKAILI FORMATION ; ENROLLMENT ; EVOLUTION ; ORDOVICIAN ; CLASSIFICATION ; SEGMENTATION ; EXUVIATION ; REVISION ; SHALE
Funding ProjectNational Key Research and Development Program[2017YFC0603101] ; Natural Science Foundation of China[42072021] ; Natural Science Foundation of China[41890844] ; Natural Science Foundation of China[41890840] ; Natural Science Foundation of China[41621003] ; Natural Science Foundation of China[41330101] ; Natural Science Foundation of China[41521061] ; Natural Science Foundation of China[41290260] ; 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] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; Key Scientific, Technological Innovation Team Project in Shaanxi Province, State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[20191101] ; project The Stratigraphic and Magmatic History of Early Paleozoic Equatorial Gondwana and its associated Evolutionary Dynamics[IGCP 668]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000657220900002
Funding OrganizationNational Key Research and Development Program ; Natural Science Foundation of China ; 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 ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Scientific, Technological Innovation Team Project in Shaanxi Province, State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; project The Stratigraphic and Magmatic History of Early Paleozoic Equatorial Gondwana and its associated Evolutionary Dynamics
PublisherSPRINGER HEIDELBERG
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/38268
Collection中国科学院南京地质古生物研究所
Corresponding AuthorDai, Tao
Affiliation1.Northwest Univ, Shaanxi Key Lab Early Life & Environm, State Key Lab Continental Dynam, Xian 710069, Peoples R China
2.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Yang, Kaiyu,Dai, Tao,Zhang, Xingliang,et al. Trunk regionalization and functional morphology of the globally distributed trilobite Bathynotus from Cambrian Series 2 of China[J]. PALZ,2021:13.
APA Yang, Kaiyu,Dai, Tao,Zhang, Xingliang,&Peng, Shanchi.(2021).Trunk regionalization and functional morphology of the globally distributed trilobite Bathynotus from Cambrian Series 2 of China.PALZ,13.
MLA Yang, Kaiyu,et al."Trunk regionalization and functional morphology of the globally distributed trilobite Bathynotus from Cambrian Series 2 of China".PALZ (2021):13.
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