Showing 81 - 100 results of 1,283 for search '"Ordovician"', query time: 0.20s Refine Results
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    Lithofacies of Upper Ordovician Wufeng Formation in Sichuan Basin and its periphery by Wei DU, Zongquan HU, Guangxiang LIU, Tong ZHU, Haikuan NIE, Caina YAN, Guanping WANG

    Published 2020-05-01
    “…The Upper Ordovician Wufeng Formation was divided into the shale and Guanyinqiao sections. …”
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  4. 84

    Kokchetau-Issykkul terrain of the Kazakhstan Paleozoic continent and the Ordovician latitude of the continent by V. S. Burtman, A. V. Dvorova

    Published 2019-09-01
    “…The geodynamic position of the Kokchetau-Issykkul terrain was determined by analysing samples of Ordovician rocks collected across 11 sites using the paleomagnetism method. …”
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    Age of the Ordovician sedimentary succession in Lumparn Bay, Åland Islands, Finland by Leho Ainsaar, Tõnu Meidla

    Published 2023-06-01
    “…Ordovician sections in the Lumparn Bay are com­posed of two distinct lithological units. …”
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  8. 88

    Unraveling the phylogenetic relationships of the Eccoptochilinae, an enigmatic array of ordovician cheirurid trilobites. by I Wesley Gapp, Curtis R Congreve, Bruce S Lieberman

    Published 2012-01-01
    “…This paper focuses on the relationships of one of those subfamilies, the Ordovician Eccoptochilinae. We analyze sixteen species from six genera within the traditionally defined group, using the pilekiid Anacheirurus frederici as an outgroup. …”
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  9. 89

    Phylogeny and evolutionary modularity of a trilobite family over the Ordovician Radiation by Ernesto E. Vargas-Parra, Melanie J. Hopkins

    Published 2023-06-01
    “…For instance, the trilobite family Pterygometopidae diversified during the Middle and Late Ordovician in Baltica, Avalonia, Laurentia, and Siberia. …”
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    The late Katian Elkhorn event: precursor to the Late Ordovician mass extinction by Patrick I. McLaughlin, Thijs R. A. Vandenbroucke, Cristiana J. P. Esteves, Alyssa M. Bancroft, Timothy R. Paton, Mark Williams, Carlton E. Brett, Cole Farnam, Poul Emsbo

    Published 2023-06-01
    “…The late Katian Elkhorn event is a biogeochemical perturbation preceding the Late Ordovician mass extinction (LOME) with an exceptional record in the United States (U.S.). …”
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    Pathways and mechanisms of Late Ordovician (Katian) faunal migrations of Laurentia and Baltica by Adriane R. Lam, Alycia L. Stigall

    Published 2015-02-01
    “…Late Ordovician strata within the Cincinnati Basin record a mass faunal migration event during the C4 and C5 depositional sequences. …”
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  14. 94

    Ordovician opabiniid-like animals and the role of the proboscis in euarthropod head evolution by Stephen Pates, Joseph P. Botting, Lucy A. Muir, Joanna M. Wolfe

    Published 2022-11-01
    “…Here, the authors describe two opabiniid-like euarthropods with anterior proboscises from the Middle Ordovician Castle Bank Biota, Wales, UK. Phylogenetic analysis suggests that these specimens may be sister to radiodonts and deuteropods.…”
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    The Digital Atlas of Ordovician Life: digitizing and mobilizing data for paleontologists and the public by Alycia L. Stigall, Jennifer E. Bauer, Hannah-Maria R. Brame

    Published 2014-12-01
    “…A new online resource, “The Digital Atlas of Ordovician Life: Exploring the Fauna of the Cincinnati Region” (www.OrdovicianAtlas.org), provides a tool for exploring the diversity, systematics, biogeography and stratigraphy of Late Ordovician fossils of the Cincinnati, Ohio region. …”
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    The earliest giant Osprioneides borings from the Sandbian (late ordovician) of Estonia. by Olev Vinn, Mark A Wilson, Mari-Ann Mõtus

    Published 2014-01-01
    “…The earliest Osprioneides kampto borings were found in bryozoan colonies of Sandbian age from northern Estonia (Baltica). The Ordovician was a time of great increase in the quantities of hard substrate removed by single trace makers. …”
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