Beipiaosaurus - "The Lizard of Beipia" Beipiaosaurus received its species name inexpectus because it had some surprising features. While late therizinosaurs had all four toes well developed and thus in contact with the ground, Beipiaosaurus had the inner toes underdeveloped. The most outstanding feature, however, was the presence of two different types of feathers. First, […]