Page 112 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Tyrannosaurs Alioramus

Tarbosaurus

The jaw was very rigid,
enabling it to hold on
to struggling prey.

Tarbosaurus had Daspletosaurus
the smallest arms
of any tyrannosaur. The deep snout helped
to resist the stress created
from biting through bone.

Albertosaurus
had bony horns in
front of its eyes.

The heavy tail balanced the
weight of Albertosaurus’s
massive head and jaws.

The lightweight crest
Albertosaurus
was probably brightly
colored for display.

The long legs were
built for speed, allowing
Albertosaurus to
charge into an attack. Guanlong

Guanlong Tyrannosaurus

The tyrannosaurs (“tyrant lizards”) were the the ultimate heavyweight killer. Their weapons
most powerful land predators to walk the were their specialized teeth. Unlike other
Earth. These theropods first appeared about theropods, which had mouths full of sharp but
160 million years ago and thrived until the age of fragile, knifelike teeth, the tyrannosaurs had
the dinosaurs came to an end 66 million years ago. stout spikes backed by powerful jaw muscles.
110 The biggest of them all was Tyrannosaurus— This gave them the strength to bite straight

US_110-111_Tyrannosaurs.indd 110 10/04/18 3:34 PM