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Which reptiles ruled the seas?
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Some 150 million years ago, the seas were ruled by ichthyosaurs and plesiosaurs. Both had streamlined bodies and paddle-shaped limbs. Ichthyosaurus resembled a cross between a fish and a dolphin. Some plesiosaurs, such as Cryptocleidus, had long necks; others, like Peloneustes, were whale-like. Ichthyosaurs and plesiosaurs ate mainly fish, but some plesiosaurs also ate one another.
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Previous:
Back
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Book:
Best Ever Q&A
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Section:
Nature
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Chapter:
Prehistoric Life
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