The inner ear morphology of the ‘condylarthran’ Hyopsodus lepidus

  title={The inner ear morphology of the ‘condylarthran’ Hyopsodus lepidus},
  author={Anthony Ravel and Maeva J. Orliac},
  journal={Historical Biology},
  pages={957 - 969}
We describe the bony labyrinth morphology of the Eocene ‘archaic ungulate’ Hyopsoduslepidus (Bridgerian, North America) reconstructed from micro computed tomography scan data. Comparisons with the inner ear of the Eocene early diverging artiodactyl Diacodexis and perissodactyl Xenicohippus allow refining the picture of the ancestral inner ear morphology of Euungulates. These taxa are very close morphologically and mostly differ by slight differences in their semicircular canal angulations and… 

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