Dinosaurs A to Z
Ornithomimidae

Sinornithomimus

Generic theropod body-plan outline
You 1.8 m (5.9 ft) tall
Sinornithomimus 2.5 m (8.2 ft) long
as long as 2 people standing fingertip to fingertip
generic theropod body plan, scaled to length — not a silhouette of Sinornithomimus
Length
2.5 m (8.2 ft)
Period
Late Cretaceous (100–66 Mya)
Place
China · Mongolia
Food
Omnivore
Clade
Ornithomimidae

Sinornithomimus is a genus of ornithomimid dinosaur that lived in the Late Cretaceous Ulansuhai Formation of Alshanzuo Banner, Inner Mongolia, northern China. The first remains were found in 1997 and described six years later in 2003 as the new genus and species Sinornithomimus dongi.

What we know

  • Named by Kobayashi & Lü, 2003.
  • Body length estimated at about 2.5 m.
  • Fossils found in China and Mongolia.

What we guess

The reconstruction notes for Sinornithomimus — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.