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sharp-clawed runner
Gallimimus
Say it like this: “GAL-im-EYE-muhs”
Gallimimus bullatus
Gallimimus ate plants and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Mongolia.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 1972 · Osmólska, H.; Roniewicz, E.; Barsbold, R.
- Hip height
- 1.9 m · 6 ft
- Length
- 6 m · 20 ft
- Weight
- 400–490 kg · 882–1,080 lb
- Found in
- Mongolia · Nemegt
- Food and walking
- Herbivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Ornithomimidae
The story in short
The genus Gallimimus dates to 1972, the year H. Osmólska and colleagues described it.
Fossils referred to Gallimimus date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Mongolia, including the Nemegt Formation. It was a herbivore and walked on two legs.
Published estimates put Gallimimus at a length near 6 m, hips about 1.9 m high, and a body mass around 400–490 kg.
On the family tree it sits in Ornithomimidae, among the theropod dinosaurs.
Close relatives
Aepyornithomimus
Aepyornithomimus tugrikinensis
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Anserimimus
Anserimimus planinychus
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Archaeornithomimus
Archaeornithomimus asiaticus
Late Cretaceous (Coniacian · Santonian · Campanian) · roughly 89.8 to 72.2 million years ago