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Initial radiation of jaws demonstrated stability despite faunal and environmental change

Author

Listed:
  • Philip S. L. Anderson

    (University of Bristol, Bristol BS8 1RJ, UK)

  • Matt Friedman

    (University of Oxford, Oxford OX1 3AN, UK)

  • Martin D. Brazeau

    (Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University in Berlin, 10115 Berlin, Germany
    Present address: NCB Naturalis, 2300 RA Leiden, The Netherlands.)

  • Emily J. Rayfield

    (University of Bristol, Bristol BS8 1RJ, UK)

Abstract

Jawed dominance a long time coming The first jawed vertebrates, or gnathostomes, were vastly outnumbered by their jaw-less relatives. Today, more than 99% of vertebrates have jaws. It is therefore tempting to conclude that the evolution of jaws was key to the rise of the vertebrates. But matters might have been more complicated, according to a quantitative biomechanical analysis of early gnathostome mandibles. Anderson et al. show that early vertebrates had many jaw designs, but ended up with a few tried-and-tested conservative forms long before the jaw-less vertebrates went into decline.

Suggested Citation

  • Philip S. L. Anderson & Matt Friedman & Martin D. Brazeau & Emily J. Rayfield, 2011. "Initial radiation of jaws demonstrated stability despite faunal and environmental change," Nature, Nature, vol. 476(7359), pages 206-209, August.
    • Handle: RePEc:nat:nature:v:476:y:2011:i:7359:d:10.1038_nature10207
    DOI: 10.1038/nature10207
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    Cited by:

    1. Xindong Cui & Matt Friedman & Tuo Qiao & Yilun Yu & Min Zhu, 2022. "The rapid evolution of lungfish durophagy," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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