A symmoriiform chondrichthyan braincase and the origin of chimaeroid fishes

Michael I. Coates (), Robert W. Gess, John A. Finarelli, Katharine E. Criswell and Kristen Tietjen
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Michael I. Coates: University of Chicago
Robert W. Gess: Rhodes University
John A. Finarelli: UCD School of Biology and Environmental Science, UCD Science Education and Research Centre, University College Dublin
Katharine E. Criswell: University of Chicago
Kristen Tietjen: University of Chicago

Nature, 2017, vol. 541, issue 7636, 208-211

Abstract: The chimaeroids are one of the four principal divisions of the living jawed vertebrates and their evolutionary origins have been hard to discern; here, the study of a skull of the extinct shark Dwykaselachus shows that the chimaeroids nest among the once fairly common and widespread symmoriiforms.

Date: 2017
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DOI: 10.1038/nature20806

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