Page 188 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Powerful predators

Andrewsarchus

Barbourofelis

The jaw had
flesh-piercing teeth
at the front,
but bone-crushing
teeth at the back.

Big plates of bone Each foot had four
extending from the lower toes tipped with
jaw protected the very small, blunt hooves.
long, fragile canine teeth.

Arctodus

At about 111/4 ft (3.4 m)
long, Arctodus was the
largest bear ever known.

Ursus spelaeus

Also known as the cave bear,
Ursus spelaeus lived at the
same time as ice-age humans,
and was probably one of their
most dangerous predators.

The giant herbivores that took the place of its time. But by about 11 million years ago,
extinct plant-eating dinosaurs were preyed these animals had been displaced by the true
upon by a variety of big, heavily armed carnivores—the group that now includes cats,
hunters. The earliest of these were doglike dogs, bears, and hyenas. The most fearsome
animals called creodonts like Hyaenodon, of these hunters—Barbourofelis and the
186 which was probably the fastest predator of saber-toothed cat Smilodon—had long,

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