| Throughout the Late Cretaceous, tyrannosaurs diversified into several species, all with large heads, powerful bodies, and two-fingered hands. |
| Today's bullies of the Serengeti plains, lions and spotted hyenas, were paralleled by tyrannosaurs in Jurassic and Cretaceous ecosystems. |
| Recent studies have agreed that T. rex and the tyrannosaurs belong with the coelurosaurs, not with the carnosaurs as was originally believed. |
| Holtz ultimately concludes that ornithomimosaurs and tyrannosaurs probably form a monophyletic group, although his calculations do not yield a clean separation. |
| With a mouthful of this murderous fruitlike dentition, tyrannosaurs had a whopping bite, which might have made up for their reduced forelimbs. |
| In fact, he's headed to Montana this August to excavate tyrannosaurs and triceratops. |
