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armored dinosaur
Ankylosaurus
Say it like this: “ANG-kuh-loh-SOR-uhs”
Ankylosaurus magniventris
Ankylosaurus ate plants and walked on four 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
- 1908 · Brown, B.
- Hip height
- 1.4–1.7 m · 5–6 ft
- Length
- 5.4–6.2 m · 18–21 ft
- Weight
- 9 tonnes
- Found in
- the United States · Hell Creek
- Food and walking
- Herbivore · Four legs
- Kind
- armored dinosaur · Ankylosaur
- Family branch
- Ankylosaurinae
The story in short
In 1908, B. Brown published the name Ankylosaurus.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Hell Creek Formation. It was a herbivore and walked on four legs.
Published estimates put Ankylosaurus at a length near 5.4–6.2 m, hips about 1.4–1.7 m high, and a body mass around 9 tonnes.
On the family tree it sits in Ankylosaurinae, among the armored dinosaurs.
Close relatives
Akainacephalus
Akainacephalus johnsoni
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Anodontosaurus
Anodontosaurus lambei
Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
Bissektipelta
Bissektipelta archibaldi
Late Cretaceous (Turonian) · roughly 93.9 to 89.8 million years ago