This site presents the idea that birds developed from pterosaurs.
This is a credible alternative to the current, mainstream idea that birds developed from land-based dinosaurs.
Friday, December 3, 2010
Here are some additional fossils. http://www.oceansofkansas.com/Pteranodon.html Notice the pteroid bone. In both pictures the pteroid bone is shown pointing back toward the body. It is more likely it pointed away from the body.