Dinosaur: Pachycephalosaurus wyomingensis
| Length*: | 4.8 m | 15.7 ft |
| Weight*: | 500 kg | 1,102 lb |
| Speed: | 40 km/h | 25 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Maastrichtian
Details
Status: valid (nomen protectum)
Autor: Brown & Schlaikjer
Year: 1943
Area: North America
Country: USA, Canada
Region: Montana, Wyoming, South Dakota, North Dakota, Alberta
Formation: Lance, Hell Creek, Ferris, Scollard
Other
Material: More than 50 individuals ? (problematic).
References: Sullivan, Robert M. (2006). "A taxonomic review of the Pachycephalosauridae (Dinosauria:Ornithischia)".Evans, D C., Vavrek, M.J. & Larsson, H.C. (2015) "Pachycephalosaurid (Dinosauria: Ornithischia) cranial remains from the latest Cretaceous (Maastrichtian) Scollard Formation of Alberta, Canada".
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