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Dinosaur: Allosaurus jimmadseni
| Length*: | 7.6 m | 24.9 ft |
| Weight*: | 1.2 t | 2,646 lb |
| Speed: | 34 km/h | 21 mph |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian
Years: 154.8–149.2 Ma
Details
Status: valid
Author: Chure & Loewen
Year: 2020
Distribution
Area: North America
Country: USA
Region: Utah, Wyoming, Colorado, South Dakota
Formation: Morrison
Locations
Sources
Material: At least several individuals (include almost complete skeletons and skulls).
References: Chure, (2000). A new species of Allosaurus from the Morrison Formation of Dinosaur National Monument (Utah-Colorado) and a revision of the theropod family Allosauridae.Chure DJ, Loewen MA. (2020). Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America.
