Dinosaur: Allosaurus fragilis
| Length*: | 9.5 m | 31.2 ft |
| Weight*: | 2.2 tons | 4,850 lb |
ESR: 4 / 4 (estimated size reliability)
Period
Epoch: Late Jurassic
Stage: Kimmeridgian-Tithonian
Details
Status: valid
Autor: Marsh
Year: 1877
Area: North America
Country: USA
Region: Colorado, Montana, New Mexico, Oklahoma, South Dakota, Utah, Wyoming
Formation: Morrison
Other
Material: Many skeletons also with skulls (juvenile and adult).
References: Madsen, J.H.Jr. (1993) [1976]. Allosaurus fragilis: A Revised Osteology.Paul, G.S. (1988). "Genus Allosaurus". Predatory Dinosaurs of the World.Glut, Donald F. (1997). "Allosaurus". Dinosaurs: The Encyclopedia.
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