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sharp-clawed runner
Struthiomimus
Say it like this: “STROOTH-ee-o-MIEM-us”
Struthiomimus altus
Struthiomimus 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
- 1917 · Osborn, H. F.
- Hip height
- 1.4 m · 5 ft
- Length
- 4.3–4.8 m · 14–16 ft
- Weight
- 150–350 kg · 331–772 lb
- Found in
- Canada · Dinosaur Park
- Food and walking
- Herbivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Ornithomimidae
The story in short
In 1917, H. F. Osborn published the name Struthiomimus. The name means “ostrich mimic.”
It lived in 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.
Published estimates put Struthiomimus at a length near 4.3–4.8 m, hips about 1.4 m high, and a body mass around 150–350 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