Disambiguation Links – Pachycephalosaurus wyomingensis (S/F) / Pachycephalosaurus wyomingensis (C/N)
The “thickhead reptile” was described by Gilmore in 1931. Pachycephalosaurus lived during the Late Cretaceous Period about 67 to 65.5 million years ago. It was about 4 meters (13 ft) in length, 1 and half meters (5 ft) in height and 800 pounds (365 kilos) in weight.
