Abstract
Detailed evidence from the skull of Sphenosuchus, and from embryological and other resemblances between birds and crocodiles, suggests that these two groups are much more closely related than has been realized
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WALKER, A. New light on the Origin of Birds and Crocodiles. Nature 237, 257–263 (1972). https://doi.org/10.1038/237257a0
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DOI: https://doi.org/10.1038/237257a0
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