Dromiceiomimus

Say it like this: “drom-i-SEE-o-MIEM-us”

Dromiceiomimus brevitertius

Dromiceiomimus ate plants and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Canada.

Quiz me on Dromiceiomimus

When: Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Named in: 1972 · Russell, D. A.
Hip height: Not established
Length: 3.5 m · 11 ft
Weight: 135 kg · 298 lb
Found in: Canada · Horseshoe Canyon
Food and walking: Herbivore · Two legs
Kind: sharp-clawed runner · Theropod
Family branch: Ornithomimidae

The story in short

Dromiceiomimus was formally named in 1972 by D. A. Russell.

Fossils referred to Dromiceiomimus date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Canada, including the Horseshoe Canyon Formation. It was a herbivore and walked on two legs.

Published estimates put Dromiceiomimus at a length near 3.5 m and a body mass around 135 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