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    Fossil record of stem groups employed in evaluating the chronogram of insects (Arthropoda: Hexapoda)

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    Engel_2016.pdf (1.102Mb)
    Issue Date
    2016-12-13
    Author
    Wang, Yanhui
    Engel, Michael S.
    Rafael, José A.
    Wu, Haoyang
    Rédei, Dávid
    Xie, Qiang
    Wang, Gang
    Liu, Xiaoguang
    Bu, Wenjun
    Publisher
    Nature Publishing Group
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
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    Abstract
    Insecta s. str. (=Ectognatha), comprise the largest and most diversified group of living organisms, accounting for roughly half of the biodiversity on Earth. Understanding insect relationships and the specific time intervals for their episodes of radiation and extinction are critical to any comprehensive perspective on evolutionary events. Although some deeper nodes have been resolved congruently, the complete evolution of insects has remained obscure due to the lack of direct fossil evidence. Besides, various evolutionary phases of insects and the corresponding driving forces of diversification remain to be recognized. In this study, a comprehensive sample of all insect orders was used to reconstruct their phylogenetic relationships and estimate deep divergences. The phylogenetic relationships of insect orders were congruently recovered by Bayesian inference and maximum likelihood analyses. A complete timescale of divergences based on an uncorrelated log-normal relaxed clock model was established among all lineages of winged insects. The inferred timescale for various nodes are congruent with major historical events including the increase of atmospheric oxygen in the Late Silurian and earliest Devonian, the radiation of vascular plants in the Devonian, and with the available fossil record of the stem groups to various insect lineages in the Devonian and Carboniferous.
    URI
    http://hdl.handle.net/1808/22667
    DOI
    https://doi.org/10.1038/srep38939
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    • Ecology & Evolutionary Biology Scholarly Works [1497]
    Citation
    Wang, Y., Engel, M. S., Rafael, J. A., Wu, H., Rédei, D., Xie, Q., … Bu, W. (2016). Fossil record of stem groups employed in evaluating the chronogram of insects (Arthropoda: Hexapoda). Scientific Reports, 6, 38939. http://doi.org/10.1038/srep38939

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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