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  1. SpringerBriefs in Earth System Sciences:

    Avian Ancestors

    av Federico Agnolin, Fernando E Novas

    Häftad, Engelska, 2013-03-15
    546
    Köp
    Skickas från oss inom 5-8 vardagar.
    Avian Ancestors

    Although consensus exists among researchers that birds evolved from coelurosaurian theropods, paleontologists still debate the identification of the group of coelurosaurians that most closely approaches the common ancestor of birds. The last 20 ye...

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