Everything we know about non-avian dinosaurs is based on fossils, which include bones, teeth, footprints, tracks, eggs, and skin impressions. For centuries, people throughout the world have discovered amazing fossilized bones and footprints.

Dinosaur trace fossils are records of the activity of a living dinosaur. Most dinosaur trace fossils are footprints. Dinosaur tracks and body fossils are not usually found preserved in the same rocks, but there are some exceptions.

Types of Dinosaurs Learn how many species have been discovered, and see photos and information about over 40 types of dinosaurs. Dinosaur Bones Discover what scientists can learn by studying fossils and how these fossils are stored in the Museum’s collections.

Dinosaurs are among the most popular and iconic fossil organisms, and dinosaur bones and tracks are favorite attractions at several National Park Service units. Body and trace fossils of non-avian dinosaurs have been documented from at least 21 NPS areas.

2025年1月7日 · The creature, named Ahvaytum bahndooiveche, is now the oldest known Laurasian dinosaur, and with fossils estimated to be around 230 million years old, it’s comparable in age to the earliest known Gondwanan dinosaurs. UW–Madison scientists and their research partners detail their discovery Jan. 8, ...

Dinosaurs & Fossils. Why Lucy has been the face of human evolution for 50 years. Science; Why Lucy has been the face of human evolution for 50 years.

2025年1月23日 · The origins of the dinosaurs are shrouded in mystery – but new research might have revealed the best places to look for clues. At the moment, the oldest known definitive dinosaurs are 230-million-year-old fossils from Argentina and Brazil, including species such as Eoraptor and Herrerasaurus.However, these animals are already recognisably dinosaurs, …

Our picture of dinosaurs owes a lot to the fossils they described from these rocks in the West: Allosaurus, Apatosaurus, Brontosaurus, Camarasaurus, Camptosaurus, Ceratosaurus, Diplodocus, and Stegosaurus are some of the most famous dinosaurs they named over a span of about 20 years.

2025年1月25日 · As a result, most dinosaur fossils are known from lowland environments, usually floodplains, deltas, lake beds, stream bottoms, and even some marine environments, where their bones apparently washed in after death.

Although dinosaurs lived many millions of years ago, we know that they existed because some of them turned into fossils when they died. Watch our animation to discover how this happened, and explore the process in more detail below.