books.google.com - 00 Sauropod dinosaurs were the largest animals ever to walk the earth, and they represent a substantial portion of vertebrate biomass and biodiversity during the Mesozoic Era. The story of sauropod evolution is told in an extensive fossil record of skeletons and footprints that span the globe and 150...http://books.google.com/books/about/The_Sauropods.html?id=X5j2lqAZqwIC&utm_source=gb-gplus-shareThe Sauropods
