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dome-headed dinosaur · Disputed
Hanssuesia
Say it like this: “han-SU-see-uh”
Hanssuesia sternbergi
Hanssuesia ate plants and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Canada.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 2003 · Sullivan, R. M.
- Hip height
- Not established
- Length
- Not established
- Weight
- Not established
- Found in
- Canada · Dinosaur Park
- Food and walking
- Herbivore · Two legs
- Kind
- dome-headed dinosaur · Pachycephalosaur
- Family branch
- Pachycephalosauridae
The story in short
In 2003, R. M. Sullivan published the name Hanssuesia. The name honors a person tied to the fossil or its study.
Fossils referred to Hanssuesia date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a herbivore and walked on two legs.
The fossils of Hanssuesia are too incomplete for a responsible length, hip height, or weight, so those fields are left blank on purpose.
On the family tree it sits in Pachycephalosauridae, among the dome-headed dinosaurs.
Close relatives
Amtocephale
Amtocephale gobiensis
Late Cretaceous (Turonian · Coniacian · Santonian) · roughly 93.9 to 83.6 million years ago
Colepiocephale
Colepiocephale lambei
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Stegoceras
Stegoceras validum
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago