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A ceratopsian dinosaur from China and the early evolution of Ceratopsia

Author

Listed:
  • Xing Xu

    (Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences)

  • Peter J. Makovicky

    (The Field Museum)

  • Xiao-lin Wang

    (Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences)

  • Mark A. Norell

    (American Museum of Natural History)

  • Hai-lu You

    (Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences)

Abstract

Ceratopsians (horned dinosaurs) represent one of the last and the most diverse radiations of non-avian dinosaurs1,2,3,4. Although recent systematic work unanimously supports a basal division of Ceratopsia into parrot-like psittacosaurids and frilled neoceratopsians, the early evolution of the group remains poorly understood, mainly owing to its incomplete early fossil record. Here we describe a primitive ceratopsian from China. Cladistic analysis posits this new species as the most basal neoceratopsian. This new taxon demonstrates that some neoceratopsian characters evolved in a more incremental fashion than previously known and also implies mosaic evolution of characters early in ceratopsian history.

Suggested Citation

  • Xing Xu & Peter J. Makovicky & Xiao-lin Wang & Mark A. Norell & Hai-lu You, 2002. "A ceratopsian dinosaur from China and the early evolution of Ceratopsia," Nature, Nature, vol. 416(6878), pages 314-317, March.
    • Handle: RePEc:nat:nature:v:416:y:2002:i:6878:d:10.1038_416314a
    DOI: 10.1038/416314a
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