Ichthyosaurus
Wilson, Ron
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Prehistoric Animals Ichthyosaurus Juvenile Literature
Introduces the ichthyosaur, or fish lizard, a reptile that swam like a fish, which first appeared during the Triassic period 250 million years ago.
Introduces the ichthyosaur, or fish lizard, a reptile that swam like a fish, which first appeared during the Triassic period 250 million years ago.