First Children Encyclopedia

(Marvins-Underground-K-12) #1

There may have been no marine


dinosaurs, but a frightening


variety of toothed giant reptiles


ruled the seas while the


dinosaurs ruled the land.


Monsters of the deep

Swim away...
An Ichthyosaurus
moves swiftly to
avoid being eaten.
The swimming
ichthyosaurs, including
Ichthyosaurus itself,
were perfectly suited
for chasing fast-moving
prey, such as squid.
However, they
were vulnerable to
attack from larger
marine reptiles.

...from danger!


Watch out!


A Liopleurodon


is attacking the


ichthyosaurs from


behind. Perhaps the


largest sea-based


predator of all time,


Liopleurodon was a


short-necked plesiosaur.


What did Liopleurodon eat?


204


Age of the dinosaurs


Ichthyosaurs had
large eyes.

Elasmosaurus was
air-breathing, just
like whales today.

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Ichthyosaurus

Elasmosaurus
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