Paleozoic FossilsExplore the rich fossil record of the Paleozoic Era, from the Cambrian (545 million years ago) through the Permian (almost 300 million years ago) with 650 high quality color photos and detailed, highly readable text. Following his successful work on the earliest fossils, the author now starts at that time in earth's history when life blossomed into a variety of body plans (phyla), and explores the successive periods of the Paleozoic Era. These include