Chinese Science Bulletin

, Volume 48, Issue 11, pp 1129–1134

A new species ofGobiconodon (Triconodonta, Mammalia) and its implication for the age of Jehol Biota

Reports

DOI: 10.1007/BF03185767

Cite this article as:
Li, C., Wang, Y., Hu, Y. et al. Chin.Sci.Bull. (2003) 48: 1129. doi:10.1007/BF03185767

Abstract

A new species ofGobiconodon is found from the Yixian Formation of western Liaoning, China. The new taxa,G. zofiae sp. nov., has a confluent opening for branches II and III of the trigeminal nerve on the anterior lamina of the petrosal.G. zofiae sp. nov. is similar toRepenomamus in having an ossified Meckel’s cartilage connecting the lower jaws and ear region. The new species, with enlarged I1/I1, posteriorly located infraorbital foramen and four mental foramina, distinctly differs from the other species ofGobiconodon. The new material indicates thatGobiconodon has four, not five, upper molariforms. The presence ofGobiconodon in Jehol Biota makes it possible to correlate Jehol Biota with faunas in eastern Asia and North America, and suggests the age of the Yixian Formation to be Early Cretaceous.

Keywords

Jehol BiotaTriconodontGobiconodoncraniumEarly Cretaceous

Copyright information

© Science in China Press 2003

Authors and Affiliations

  • Chuankui Li
    • 1
  • Yuanqing Wang
    • 1
  • Yaoming Hu
    • 1
    • 2
    • 3
  • Jin Meng
    • 2
  1. 1.Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijingChina
  2. 2.American Museum of Natural HistoryNew YorkUSA
  3. 3.Biology Program (Ecology, Evolutionary Biology, and Behavior), Graduate School and City CollegeCity University of New YorkUSA