Chinese Science Bulletin

, Volume 58, Issue 19, pp 2370–2378

A new early cretaceous dinosaur track assemblage and the first definite non-avian theropod swim trackway from China

  • LiDa Xing
  • Martin G. Lockley
  • JianPing Zhang
  • Andrew R. C. Milner
  • Hendrik Klein
  • DaQing Li
  • W. Scott PersonsIV
  • JieFang Ebi
Open AccessArticle Geology

DOI: 10.1007/s11434-013-5802-6

Cite this article as:
Xing, L., Lockley, M.G., Zhang, J. et al. Chin. Sci. Bull. (2013) 58: 2370. doi:10.1007/s11434-013-5802-6

Abstract

The trackway of a swimming theropod (ichnogenus Characichnos) is reported from the Lower Cretaceous Feitianshan Formation of Sichuan, China. These swim tracks help confirm that non-avian theropods were capable of forging moderately deep bodies of water. The trackway occurs on the same surface as a typical walking trackway of a sauropod (ichnogenus Brontopodus). Both occurrences are the first reported from the Cretaceous of Sichuan, and the swim tracks are the first well-preserved example of a Characichnos trackway from China. Additionally, a theropod walking trackway and several ornithopod walking trackways (similar to the ichnogenus Caririchnium) occur in the same horizon. The ornithopod trackways show a parallel orientation, suggesting gregarious behavior of the trackmakers, which may have been iguanodontiforms and/or hadrosauriforms. The co-occurrence of theropod swim tracks and theropod walking tracks suggests a fluctuation of water depth within a distinct time span.

Keywords

theropod swim trackssauropod tracksornithopod tracksFeitianshan FormationEarly Cretaceous
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Copyright information

© The Author(s) 2013

Authors and Affiliations

  • LiDa Xing
    • 1
    • 2
  • Martin G. Lockley
    • 3
  • JianPing Zhang
    • 1
  • Andrew R. C. Milner
    • 4
  • Hendrik Klein
    • 5
  • DaQing Li
    • 6
  • W. Scott PersonsIV
    • 2
  • JieFang Ebi
    • 7
  1. 1.School of the Earth Sciences and ResourcesChina University of GeosciencesBeijingChina
  2. 2.Department of Biological SciencesUniversity of AlbertaEdmontonCanada
  3. 3.Dinosaur Tracks MuseumUniversity of Colorado DenverDenverUSA
  4. 4.St. George Dinosaur Discovery Site at Johnson FarmSt. GeorgeUSA
  5. 5.Saurierwelt Paläontologisches MuseumNeumarktGermany
  6. 6.Geological Museum of GansuLanzhouChina
  7. 7.Zhaojue County Bureau of Culture, Multimedia, Press & Sport TourismZhaojueChina