Eric Walker added Pterosaurs to Pterosauromorpha, and added Pterosauromorpha to Ornithodira

Eric Walker added Dinosauriformes and Dinosauromorpha - Wikipedia to Dinosauromorpha, and added Dinosauromorpha to Ornithodira

Eric Walker added Dinosauromorpha and Pterosauromorpha to Ornithodira, and added Ornithodira to Avemetatarsalia

Eric Walker added Ornithodira and Avemetatarsalia - Wikipedia to Avemetatarsalia, and added Avemetatarsalia to Archosauria