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Showing results for tags 'lobopodian'.
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525-Million-Year-Old Fossil Solves Debate Over Brain Evolution
Oxytropidoceras posted a topic in Fossil News
525-Million-Year-Old Fossil Solves Debate Over Brain Evolution University of Arizona, November 25, 2022 https://scitechdaily.com/science-textbooks-wrong-525-million-year-old-fossil-defies-common-explanation-for-brain-evolution/ https://www.sciencedaily.com/releases/2022/11/221125132137.htm https://www.technologynetworks.com/neuroscience/news/525-million-year-old-fossil-solves-debate-over-brain-evolution-367879 The paywalled paper is: Nicholas J. Strausfeld, Xianguang Hou, Marcel E. Sayre, and Frank Hirth, 2022, The lower Cambrian lobopodian Cardiodictyon resolves the origin of euarthropod brains. Science, 378 (6622), pp. 905-909. 905 DOI: 10.1126/science.abn6264 https://www.science.org/doi/10.1126/science.abn6264 Yours, Paul H.-
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518 mya in the Cambrian period, a worm like creature named Facivermis ("torch worm") adapted to a tube dwelling lifestyle that lost it's need for it's lower limbs. This article describes how Facivermis is the earliest known animal to lose body parts ('secondary loss'). They also place Facivermis as a Lobopodian. https://www.sciencedaily.com/releases/2020/02/200227114446.htm The journal article can be found here for anyone interested (open access) - https://www.cell.com/current-biology/fulltext/S0960-9822(20)30119-6?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982220301196%3Fshowall%3Dtrue
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Phosphatized Musculature of a Cambrian Lobopodian, China
Oxytropidoceras posted a topic in Fossil News
World's oldest muscle-fibre fossil reveals the origin of legs September 28, 2016 by Martin R. Smith, The Conversation http://phys.org/news/2016-09-world-oldest-muscle-fibre-fossil-reveals.html The paper is: Zhang, X.-G., M. R. Smith, J. Yang, and J.-B. Hou, 2016, Onychophoran-like musculature in a phosphatized Cambrian lobopodian. Biology Letters. Published 27 September 2016.DOI: 10.1098/rsbl.2016.0492 http://rsbl.royalsocietypublishing.org/content/12/9/20160492 Yours, Paul H