Scientists identify smaller cousin of 9-ton Tyrannosaurus rex

Name: Scientists identify smaller cousin of 9-ton Tyrannosaurus rex
Uploaded: 2019-05-08T17:21:52Z
Duration: 1 min 22 s
Description: The Arizona Museum of Natural History announces the discovery of a mid-Cretaceous Period tyrannosaur.

The Arizona Museum of Natural History announces the discovery of a mid-Cretaceous Period tyrannosaur.