Page 15 - DINOSOUR ATLAS
P. 15
Jurassic World
Serrated teeth
could slice
through skin
and flesh
, allosaurus
The small theropod dinosaurs of the Triassic
gave rise to much bigger, more powerful
predators like Allosaurus. Its strength and
Strong hind legS massive jaws may even have enabled it to
supported its body kill and eat giant sauropods like Diplodocus.
three main toeS
had long claws
kentrosaurus .
The Jurassic was the era of the
stegosaurs—plant-eaters with
rows of plates and spikes along
their backs. These provided
protection from hunters like
Allosaurus. Since they had a good
blood supply, the plates and spikes may
also have helped the animal lose or gain
heat and regulate its body temperature.
u liopleurodon
At up to 50 ft (15 m) long, Liopleurodon was a
massive marine carnivore that could have swallowed
an Ichthyosaurus whole. It was one of the pliosaurs—
long front teeth short-necked, streamlined oceanic hunters that
were splayed out “flew” through the water using their long flippers.
for seizing prey
Jurassic plants .
The Jurassic undergrowth
resembled that of the Triassic
Period, with many ferns,
horsetails, mosses, and
similar nonflowering plants.
There was still no grass.
foSSil fernS
are common in
Jurassic rocks
the continentS
are more spread
out today
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