The origin of conodonts and of vertebrate mineralized skeletons

Duncan J. E. Murdock, Xi-Ping Dong, John E. Repetski, Federica Marone, Marco Stampanoni and Philip C. J. Donoghue ()
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Duncan J. E. Murdock: School of Earth Sciences, University of Bristol, Wills Memorial Building, Queen’s Road, Bristol BS8 1RJ, UK
Xi-Ping Dong: School of Earth and Space Science, Peking University
John E. Repetski: US Geological Survey, MS 926A, National Center
Federica Marone: Swiss Light Source, Paul Scherrer Institut
Marco Stampanoni: Swiss Light Source, Paul Scherrer Institut
Philip C. J. Donoghue: School of Earth Sciences, University of Bristol, Wills Memorial Building, Queen’s Road, Bristol BS8 1RJ, UK

Nature, 2013, vol. 502, issue 7472, 546-549

Abstract: A study of tooth evolution comparing fossil euconodonts and paraconodonts using X-rays reveals that paraconodonts do not contain vertebrate hard tissues like enamel and dentine and therefore euconodont and vertebrate teeth arose independently and convergently.

Date: 2013
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DOI: 10.1038/nature12645

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