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Evolution of Saurischian Dinosaurs / Evolution of Ornithischian Dinosaurs
Tyrannosaurus
Triceratops
Pachycephalo
saurus
Citipati
Microraptor
Archaeopteryx
Hypacrosaurus
Herrerasaurus
Prestosuchus
Apatosaurus
Stegosaurus
Scolosaurus
Deinonychus
Bambiraptor