Dinosaur: Tyrannosaurus regina
| Length*: | 11.8 m | 38.7 ft |
| Weight*: | 8.2 tons | 18,078 lb |
ESR: 4 / 4 (estimated size reliability)
Period
Epoch: Late Cretaceous
Stage: Latest Maastrichtian
Details
Status: valid /S > Tyrannosaurus rex
Autor: Paul, Persons & Van Raalte
Year: 2022
Area: North America
Country: USA, Canada
Region: Montana, Colorado, North Dakota, South Dakota, Wyoming, Alberta, Saskatchewan
Formation: Hell Creek, Lance, Ferris, Denver, Frenchman, Willow Creek, Scollard
Other
Material: At least more than 8 individuals (include skulls and almost complete skeletons).
References: Paul GS, Persons WS, Van Raalte J (2022). "The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus".
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