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dome-headed dinosaur
Alaskacephale
Say it like this: “a-LASS-kuh-SEF-uh-lee”
Alaskacephale gangloffi
Alaskacephale ate plants and walked on two legs. It lived in the Late Cretaceous. Bones have been found in the United States.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 2006 · Sullivan, R. M.
- Hip height
- Not established
- Length
- 1.5 m · 5 ft
- Weight
- 10 kg · 22 lb
- Found in
- the United States · Prince Creek
- Food and walking
- Herbivore · Two legs
- Kind
- dome-headed dinosaur · Pachycephalosaur
- Family branch
- Pachycephalosaurinae
The story in short
The genus Alaskacephale dates to 2006, the year R. M. Sullivan described it. The name honors a person tied to the fossil or its study.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Prince Creek Formation. It was a herbivore and walked on two legs.
Published estimates put Alaskacephale at a length near 1.5 m and a body mass around 10 kg.
On the family tree it sits in Pachycephalosaurinae, among the dome-headed dinosaurs.
Close relatives
Acrotholus
Acrotholus audeti
Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago
Brontotholus
Brontotholus harmoni
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Foraminacephale
Foraminacephale brevis
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago