Explore the history of life on Earth through every type of fossil, from marine invertebrates such as ammonites, to fishes, plants, early amphibians, dinosaurs, birds, mammals, and even humans with DK Eyewitness Fossils.Explore the history of life on Earth through every type of fossil, from marine invertebrates such as ammonites, to fishes, plants, early amphibians, dinosaurs, birds, mammals, and even humans with DK Eyewitness Fossils.