Dinosaur: "Madsenius trux"
Jurassic: 149.2–145 Ma
| Length*: | 8 m | 26.2 ft |
| Weight*: | 1.4 tons | 3,086 lb |
| Speed: | 29 km/h | 18 mph |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Early Tithonian
Years: 149.2–145 Ma
Details
Status: nomen nudum > Allosaurus fragilis
Author: Williams
Year: 2004
Distribution
Area: North America
Country: USA
Region: Utah
Formation: Morrison
Sources
Material: Large part of skeleton with skull.
References: Mortimer - Theropod database (online).
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