The oldest articulated osteichthyan reveals mosaic gnathostome characters

  title={The oldest articulated osteichthyan reveals mosaic gnathostome characters},
  author={M. Zhu and W. Zhao and Liantao Jia and J. Lu and Tuo Qiao and Qingming Qu},
  • M. Zhu, W. Zhao, +3 authors Qingming Qu
  • Published 2009
  • Medicine, Biology
  • Nature
  • The evolutionary history of osteichthyans (bony fishes plus tetrapods) extends back to the Ludlow epoch of the Silurian period. However, these Silurian forms have been documented exclusively by fragmentary fossils. Here we report the discovery of an exceptionally preserved primitive fish from the Ludlow of Yunnan, China, that represents the oldest near-complete gnathostome (jawed vertebrate). The postcranial skeleton of this fish includes a primitive pectoral girdle and median fin spine as in… CONTINUE READING

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