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Science and Space
Main Health and Human Body Earth Space Prehistoric World A-Z

Mammal Evolution

A series of prehistoric creature illustrations demonstrates the evolution of mammals though the ages. More fact than fiction, these wild characters followed transitional Jurassic period animals that sported mammalian skull traits and reptilian teeth (composite at top left). A more familiar design, humans (bones at top right), mark the present.

Artwork by Kennis and Kennis