Syntarsus
Theropod  - African Predator
Also known as Megapnosaurus
Migrated across southwest U.S.

Placerias
Triassic Period - Herbivore
Fossils found near Petrified Forest in Arizona - 8 ft. long

Daspletosaurus
Tyrannosaur, cousin to T-Rex 
45 ft. long, 6 tons - Carnivore
Late Cretaceous Period

Edmontosaurus
Hadrosaur - Herbivore
Late Cretaceous Period “duckbill”
30 ft. long, 4 Tons

Postosuchus
Archosaur – Triassic Period
Largest known Herbivore of its time!
Fossils found in Post Quarry - Texas

Kritosaurus
Hadrosaur - Herbivore
Late Cretaceous Period “duckbill”
30 ft. long, 3 tons

Compsognathus
Theropod -Carnivore
Late Jurassic Period
“Compies” in Jurassic Park

Dimetrodon
Pelycosaur - Carnivore
Largest reptile of Permian period
11 ft. long, 500 lbs.