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clade · 4 represented species

Ornithomimosauria

Ornithomimosauria is a lineage of lightly built, mostly long-legged coelurosaurs often called ostrich dinosaurs.

Explore this branch Parent: Coelurosauria

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Ornithomimosauria

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Representative silhouette for Ornithomimosauria
2Direct child groups
3Countries represented
73–66 MaDataset range

Branch structure

Direct branches in this dataset

family

Ornithomimidae

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Deinocheiridae

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Representative taxa

Dinosaurs in this branch

Life reconstruction of Mexidracon longimanusArt by Connor Ashbridge · CC BY 4.0

Cretaceous

Mexidracon longimanus

A long-handed ornithomimid from northern Mexico whose metacarpals were unusually longer than its metatarsals, known from one headless partial skeleton.

omnivore~2.7 m
Feathered life reconstruction of Gallimimus bullatusArt by PaleoNeolitic · CC BY 4.0

Cretaceous

Gallimimus bullatus

A large, toothless Mongolian ornithomimid with a small head, long neck and powerful running legs, known from several skeletons spanning different growth stages.

omnivore~6 m
Feathered side-view reconstruction of OrnithomimusArt by TotalDino · CC BY-SA 4.0

Cretaceous

Ornithomimus edmontonicus

A long-legged Canadian ornithomimid known from complete skeletons and fossils preserving a shaggy coat and adult wing-like arm feathers.

omnivore~3.8 m
Side-view life reconstruction of Deinocheirus mirificusArt by PaleoNeolitic · CC BY 4.0

Cretaceous

Deinocheirus mirificus

A giant, deep-bodied Mongolian ornithomimosaur with enormous arms, a toothless duck-like beak, tall back spines and a broad-footed build unlike any other known theropod.

omnivore~11 m

Distribution

Geographic record

Mexico · Mongolia · Canada

Country-level summary of represented seed records, not a complete range map.

Sources

Further reading

Introduction to the DinosauriaDinosaur Paleobiology