‘Teenage T. rex’ fossils ‘are different predatory but nimbler dinosaur species’

Fossils thought to belong to teenage Tyrannosaurus rexes are adults of another predatory but more nimble dinosaur species, scientists have said.

A new analysis of the specimens suggests the animals who roamed the Earth 66 million years ago were not fast-growing juveniles but nearly full size, according to a report published in the journal Fossil Studies.

These fossils have been the subject of heated debate for decades after the first full skull was…