Dinosaur: "Ornithomimus" sedens
Cretaceous: 72.1–66 Ma
| Length*: | 5.8 m | 19.0 ft |
| Weight*: | 420 kg | 926 lb |
| Speed: | 64 km/h | 40 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Maastrichtian
Years: 72.1–66 Ma
Details
Status: nomen dubium
Author: Marsh
Year: 1892
Distribution
Area: North America
Country: USA, Canada
Region: Wyoming, Montana, Saskatchewan, Alberta
Formation: Lance, Hell Creek, Frenchman, Scollard
Sources
Material: Two incomplete skeletons and skull. Referred unguals ?, other postcrania ?
References: Marsh, (1892). Notice of new reptiles from the Laramie Formation.Mortimer - Theropod database (online).
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