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Aurornis xui
References
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Aurornis xui

fossil animal
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The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • Archaeopteryx skeleton
    Archaeopteryx

    zhengi and Aurornis xui, species thought to have lived some 5 million and 10 million years before Archaeopteryx, respectively, as well as others. Thus, these paleontologists claim that Archaeopteryx cannot in fact be the world’s most primitive bird, and many of the features used to describe birds


    Read More

    zhengi and Aurornis xui, species thought to have lived some 5 million and 10 million years before Archaeopteryx, respectively, as well as others. Thus, these paleontologists claim that Archaeopteryx cannot in fact be the world’s most primitive bird, and many of the features used to describe birds


    Read More