Archaeopteryx is one of the most important fossils ever discovered. It is a bird from the Upper Jurassic, about 150 millionyears ago. It shows the evolutionary link between reptiles and birds. The first Archaeopteryx was found in 1860 near Solnhofen in Bavaria, Germany. Today, nine skeletons and one feather of Archaeopteryx have been found.Archaeopteryx looks like a reptile with wings and feathers. It had a mouth with teeth, claws at the hands and a long tail likedinosaurs or reptiles. Today, it is known that some dinosaurs looked like birds and that some had feathers. When they are born, today's South American hoatzin have claws on their wings when they are young, just like Archaeopteryx.