AverostraAvetheropodaCoelurosauriaDaspletosauriniDinosauriaEusaurischiaEutyrannosauriaLate CretaceousNeotheropodaNorth AmericaOrionidesPantyrannosauriaSaurischiaTetanuraeTheropodaTyrannoraptoraTyrannosauridaeTyrannosaurinaeTyrannosauroidea

Thanatotheristes degrootorum

Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page.


Dinosaur: Thanatotheristes degrootorum

Cretaceous: 83.6–72.1 Ma
Type: Theropod

Length*:7.2 m23.6 ft
Weight*:1.4 t3,086 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen



Locations


Sources

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.

________________________

If you are interested in Excel Professional version of Dinosaur or Pterosaur Database, write to us


Pterosaur Database