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sharp-clawed runner
Archaeornithoides
Say it like this: “AHR-kee-OR-ni-THOI-deez”
Archaeornithoides deinosauriscus
Archaeornithoides ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Mongolia.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 1992 · Elżanowski, A.; Wellnhofer, P.
- Hip height
- Not established
- Length
- 0.5 m · 2 ft
- Weight
- Not established
- Found in
- Mongolia · Djadokhta
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Maniraptora
The story in short
In 1992, A. Elżanowski and P. Wellnhofer published the name Archaeornithoides.
Fossils referred to Archaeornithoides date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Mongolia, including the Djadokhta Formation. It was a carnivore and walked on two legs.
Published estimates put Archaeornithoides at a length near 0.5 m.
On the family tree it sits in Maniraptora, among the theropod dinosaurs.