What dinosaurs are closely related to the Tyrannosaurus rex?

The largest carnivore that ever walked the planet – Tyrannosaurus rex – is more closely related to the modern chicken than it is to living reptiles such as the alligator or crocodile, a study of the dinosaur's fossilised protein has found. read more

Types of Tyrannosaur dinosaurs The Tyrannosaur family belongs to the Ceolurosauria clade. This clade of theropods is more closely related to birds than other clade of large theropods, the Carnisours (such as Carcharodontosaurus, and Gigantosaurus). read more

T. rex is the only tyrannosaur known from the late Maastrichtian Age (i.e., the latest Cretaceous Period) in North America. As is mentioned above, Tarbosaurus is a slightly earlier and very similar form from the latest Cretaceous of Mongolia. read more