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Dinosaur: Arkansaurus fridayi

Length*: | 4.5 m | 14.8 ft |
Weight*: | 200 kg | 441 lb |
*The largest known specimen
Period
Epoch: Early Cretaceous
Stage: Aptian-Albian
Years: 121.4–100.5 Ma
Details
Status: valid
Author: Hunt & Quinn
Year: 2018
Distribution
Area: North America
Country: USA
Region: Arkansas
Formation: Trinity Group
Locations
Sources
Material: Partial right pes, including metatarsals II, III, and IV, pedal phalanges II-1, III-1, III-2, and IV-1, and three pedal unguals.
References: Hunt, R. K., & Quinn, J. H. (2018). A new ornithomimosaur from the Lower Cretaceous Trinity Group of Arkansas.