The Archean and Proterozoic Eons -- The Paleozoic Era -- The Mesozoic Era -- The Cenozoic Era.
Summary:
Renowned natural history author, Marianne Taylor, reveals mysteries of the ancient Earth, from the origins of life to the reign of the dinosaurs and the ice age, in a fascinating 3.8 billion year history.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.