Page 109 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Allosauroids

The remains of this dinosaur Nineteen curved,
were uncovered in North America—from serrated teeth lined
snout to tail, it may have reached each side of the upper jaw.
a length of 43 ft (13 m).

Acrocanthosaurus

Allosaurus may have used its
tall, narrow skull like a toothed
ax to hack into its victims.
Allosaurus

Over 40
skeletons

of Allosaurus have
been found at a
fossil site in
Utah. Saurophaganax

The arms were short but
strong, adapted for clinging
to prey during an attack.
Allosaurus was armed
with a massive killer claw.

Like all theropod
dinosaurs, these fast, agile
hunters ran on their toes.
Allosaurus Saurophaganax

The main enemies of plant-eating same type of weaponry evolved, including the
dinosaurs during the Jurassic Period colossal Saurophaganax. This heavyweight
were fearsome hunters like Allosaurus. hunter would have been able to overpower
This 28 ft (8.5 m) giant had a mouthful of teeth gigantic sauropods like the 75-ft- (23-m-) long
like steak knives, ideal for slicing through flesh. Apatosaurus, whose fossils have been found in
Over time, even bigger predators with the the same North American rocks. 107

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