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meaning: "Swollen head"
Named By: T. Maryanska and H. Osmolska in 1974
Time Period: Late Campanian, 80-70 Ma
Location: Mongolia - Barun Goyot Formation
Size: About 1.4 meters long
Diet: Herbivore
Fossil(s): Partial remains of an individual
Classification: | Chordata | Reptilia | Dinosauria | Ornithischia | Pachycephalosauria | Pachycephalosauridae |

Tylocephale (meaning "swollen head", from the Greek tule meaning 'callus' or 'hard swelling' and kephale meaning 'head') is a genus of pachycephalosaurid dinosaur from the Late Cretaceous period. It was a herbivorous dinosaur estimated to have been about 1.4 metres (4.6 ft) in length. It had the tallest dome of any known pachycephalosaur.

Tylocephale lived during the Campanian stage, around 75 million years ago. It was discovered in the Khulsan region of Mongolia. The type species is T. gilmorei, described by Maryanska and Osmolska in 1974.

The pachycephalosaurids evolved in Asia and then migrated into North America, thus it is likely that Tylocephale migrated back into Asia. It is closely related to Prenocephale

Read more about Tylocephale at Wikipedia
PaleoCodex is a weekend hack by Saurav Mohapatra