Dinosaur: Acrocanthosaurus atokensis
| Length*: | 11.5 m | 37.7 ft |
| Weight*: | 5.8 tons | 12,787 lb |
| Speed: | 25 km/h | 16 mph |
*The largest known specimen
Period
Epoch: Early Cretaceous
Stage: Aptian-Albian
Years: 113-110 Ma
Details
Status: valid
Author: Stovall & Langston
Year: 1950
Distribution
Area: North America
Country: USA
Region: Oklahoma, Texas, Maryland, Utah, Arizona, Wyoming
Formation: Antlers, Arundel, Cedar Mountain, Turney Ranch, Paluxy, Trinity Group, Twin Mountains, Cloverly, Woodbine
Sources
Material: Few partial skeletons (also with skulls) and many referred single bones.
References: Stovall and Langston, (1950). Acrocanthosaurus atokensis, a new genus and species of Lower Cretaceous Theropoda from Oklahoma. The American Midland Naturalist.Melstrom and Demic, (2011). Acrocanthosaurus atokensis (Dinosauria: Theropoda) from the Cloverly Formation of Wyoming: Implications for Early Cretaceous North American ecosystems. Journal of Vertebrate Paleontology.Eddy and Clarke, (2008). A re-evaluation of a well-preserved skull of Acrocanthosaurus atokensis supports its carcharodontosaurid affinities.
Locations
