An ancestral turtle from the Late Triassic of southwestern China

  title={An ancestral turtle from the Late Triassic of southwestern China},
  author={C. Li and X. Wu and O. Rieppel and L. Wang and Li-jun Zhao},
  • C. Li, X. Wu, +2 authors Li-jun Zhao
  • Published 2008
  • Medicine, Biology
  • Nature
  • The origin of the turtle body plan remains one of the great mysteries of reptile evolution. The anatomy of turtles is highly derived, which renders it difficult to establish the relationships of turtles with other groups of reptiles. The oldest known turtle, Proganochelys from the Late Triassic period of Germany, has a fully formed shell and offers no clue as to its origin. Here we describe a new 220-million-year-old turtle from China, somewhat older than Proganochelys, that documents an… CONTINUE READING
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