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Book chapter

Ankylosaurs (Dinosauria: Ornithischia) of the Cedar Mountain Formation, Utah, and their stratigraphic distribution

Carpenter, K.; Kirkland, J. I.; Burge, D.; Bird, J. (1999)

Citation

Carpenter, K.; Kirkland, J. I.; Burge, D.; Bird, J. (1999). Ankylosaurs (Dinosauria: Ornithischia) of the Cedar Mountain Formation, Utah, and their stratigraphic distribution. Vertebrate Paleontology in Utah (Gillette, D. D., ed.) 99-1: 243-251.

Names first published here

Cited by genera

  • Animantarx

    Dates the member by a radiometric age of 98.39 Ma, early Cenomanian on the ICS chart v2024/12, though it reads the fauna as Late Albian or Early Cenomanian.

  • Eolambia

    Gives the Animantarx holotype, from the same site, as "just above the base of the Mussentuchit Member".

  • Silvisaurus

    Compares Animantarx with "Silvisaurus from the Early Cenomanian of Kansas" in dating the Mussentuchit Member, giving no source for the age.