AverostraAvetheropodaCoelurosauriaDaspletosauriniDinosauriaEusaurischiaEutyrannosauriaLate CretaceousNeotheropodaNorth AmericaOrionidesPantyrannosauriaSaurischiaTetanuraeTheropodaTyrannoraptoraTyrannosauridaeTyrannosaurinaeTyrannosauroidea

Thanatotheristes degrootorum

Dinosaur: Thanatotheristes degrootorum

Type: Theropod

Length*: 7.2 m 23.6 ft
Weight*: 1.4 tons 3,086 lb
*The largest known specimen

ESR: 2 / 4 (estimated size reliability)


Material: Incomplete skull, referred maxillary fragment.
References: Voris, J. T., Therrien, F., Zelenitsky, D. K., & Brown, C. M. (2020). A new tyrannosaurine (Theropoda:Tyrannosauridae) from the Campanian Foremost Formation of Alberta, Canada, provides insight into the evolution and biogeography of tyrannosaurids.


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