Ornatotholus

Ornatotholus

Ornatotholus is a genus of pachycephalosaur dinosaur from southern Alberta. Prior to the discovery of D. hogwartsia in South Dakota, it was the only known North American pachycephalosaur with a flat skull roof. It appears to share many similarities with Stegoceras, and may represent a juvenile form, making it a nomen dubium.

References

  • T.E. Williamson and T.D. Carr. 2002. A new genus of derived Pachycephalosaurian from Western North America. Journal of Vertebrate Paleontology 22: 779–801.

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