Ornatotholus

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Ornatotholus
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: Ornithischia Suborder: Cerapoda Family: Pachycephalosauridae Genus: Ornatotholus Galton & Sues, 1983 Species: O. browni
Binomial name
Ornatotholus browni (Wall & Galton, 1979)

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.

[edit] 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.