<p>The maxillary canal system in <i>Cynognathus</i> and <i>Diademodon</i> is described. The hypothesis that expansion of the maxillary sinus represents a synapomorphy of the clade Cynognathia is supported. A trend towards the reduction of the inferior palpebral ramus is proposed.</p>

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The maxillary canal in Cynognathus and Diademodon (Cynodontia, Cynognathia)

  • Julien Benoit,
  • Valentin Buffa,
  • Michael O. Day

摘要

The maxillary canal system in Cynognathus and Diademodon is described. The hypothesis that expansion of the maxillary sinus represents a synapomorphy of the clade Cynognathia is supported. A trend towards the reduction of the inferior palpebral ramus is proposed.