Ichthyosaurs
S
Susan H. GrayNeither fish nor lizards, ichthyosaurs swam ancient seas for nearly 150 million years. This title reveals how more than 80 species of these dolphinlike reptiles commanded Earth's prehistoric waters at the same time dinosaurs walked on land.
Publication
2011
Pages
36
Format
Publisher
The Child's World
Collection
Exploring Dinosaurs and Prehistoric Creatures
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