Key Earth Science Links
Jurassic Period—Archaeopteryx, the first bird
All About Archaeopteryx. Talk Origins Archives. Great site for understanding the history of Archaeopteryx relative to evolution, as well as explanations concerning bird and dinosaur/reptile features of this "transitional" fossil.
Lecture 19--Solnhofen--Birds Are Dinosaurs. Columbia University. Part of an online lecture series for Dinosaurs and the History of Life. Brief summary of the depositional environment and fossils from the Solnhofen Limestone of Germany, with emphasis on Archaeopteryx. Easy-to-understand diagrams compare the skeletons and shapes of various small theropod dinosaurs to birds.