The origin of tetrapods.
Computer-based illustration, 2004. Published in:

  • Clack, J.A. 2004. From Fins to Fingers. Science, 304: 57-58.
  • Convergent separation of the middle ear bones from the mandible in the monotreme and
    therian mammalian lineages.

    Computer-based illustration, 2005. Published in:

  • Martin, T. & Luo, Zhe-Xi. 2005. Homoplasy in the Mammalian Ear. Science, 307: 861-862.

  • www.sciencemag.org
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