Abstract
The bird Cathayornis from the Early Cretaceous period gives the first evidence for a post-Jurassic survival of an Archaeopteryx -like skull in birds. This skull combines short, toothed premaxillaries, nasals meeting at the midline and submaxillary fossae in the antorbital fenestra.
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Martin, L., Zhou, Z. Archaeopteryx -like skull in Enantiornithine bird. Nature 389, 556 (1997). https://doi.org/10.1038/39228
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DOI: https://doi.org/10.1038/39228
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