Thanatotheristes: Research Database Theropoda · Cretaceous · North America Research Note: Thanatotheristes was a tyrannosaurid theropod from the Cretaceous of North America, providing important data on theropod diversity and evolution. Research Finding Status Grade Year Method Citation Impact Smith & Persons 2015: Thanatotheristes and tyrannosaur diversity in the Cretaceous Cretaceous Research Confirmed A … Read more
Zhuchengtyrannus: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~70–66 MYA) · Asia — China (Shandong, Wangshi Group) Research Note: Zhuchengtyrannus was a tyrannosaurid theropod from the Late Cretaceous of China — one of the largest known land predators. As a tyrannosaurid from Asia, it provides data on the diversity of large-bodied tyrannosaurs in the … Read more
Dynamoterror: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~68-66 MYA) · North America — USA, Montana (Hell Creek Formation) Research Note: Dynamoterror was a large tyrannosaurid theropod from the Late Cretaceous of Montana — one of the last known tyrannosaurids before the end-Cretaceous extinction and an important taxon for understanding tyrannosaurid evolution in the … Read more
Tarbosaurus: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~70 MYA) · Asia — Mongolia (Nemegt Formation) Research Note: Tarbosaurus was a tyrannosaurid from the Late Cretaceous of Mongolia — the apex predator of the Nemegt Formation and one of the largest known tyrannosaurids. Research Finding Status Grade Year Method Citation Impact Smith et … Read more
Albertosaurus: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~70 MYA) · North America — Canada (Alberta, Dinosaur Park Formation) Research Note: Albertosaurus was a tyrannosaurid from the Late Cretaceous of Alberta, Canada — one of the best-known tyrannosaurids with a rich fossil record including mass death sites. Research Finding Status Grade Year Method … Read more
Teratophoneus: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~77–76 MYA) · North America — USA (Mesa Verde Group, Utah) Research Note: Teratophoneus was a medium-sized tyrannosaurid from the Late Cretaceous of Utah, representing the southernmost known member of Tyrannosauridae in North America during the late Campanian. Its name means “marvelous murderer.” As a tyrannosaurid, … Read more