Explore the history of life on Earth through every type of fossil 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. Find out what fossils are, how they were formed, and what they tell us about how long-vanished animals lived millions of years ago. DK Eyewitness Fossils also includes a giant fold-out wall chart full of facts, perfect for bedrooms or classrooms. Stunning real-life photographs of the spectacular remains of ancient lives offer a unique eyewitness view - see pearls that are 50 million years old, a remarkable preserved foot of the extinct Moa from New Zealand, and the fossilised jaws of a terrifying T-rex.