1. GEOL 240 The Dinosaurs: Theropods

2. What are dinosaurs? zTechnically: no such thing as dinosaurs zClassification: yClass – Reptilia (reptiles) yOrder – Archosauria ySuborders xSaurischia – lizard hips xOrnithischia – bird hips Dinosaurs in popular sense

3. Two Major Groups

4. Order Saurischia zCharacterized by 3 part hip structure similar to that of lizards

5. Who were the Theropods Scientific Name: Gallimimus Phylum: Chordata Class: Dinosauria Theropoda

6. Who were the Theropods zShow up as fossils first zContained all of the carnivorous dinosaurs zAlso contained some plant eaters having remarkable characteristics

7. Coelurosaurs Classification of the Theropoda

8. Clawed Hand Sacrum of at Least 5 Vertebrae Narrow Compact Hind Foot 3 Functional Digits Bowed Femur Broadly Exposed Lachrymal Bone Typical Features of Theropods 20 cm Theropod Anatomical Features

9. Theropod Skull

10. Claws Front foot Femur Hind foot 2 cm Theropod Foot

11. Theropod Bird Ornithopod Mammal Theropod Foot

12. Dilophosaurus Theropod Skeleton

13. Coelophysidae

15. Allosaurus Theropod Skeleton

16. Struthiomimus Theropod Skeleton

17. Deinonychus 20 cm Theropod Skeleton

18. Oviraptor 20 cm Theropod Skeleton

19. Troodontid 20 cm Theropod Skeleton

20. Veolociraptor (Jurassic Park) Scientific Name: Velociraptor Phylum: Chordata Class: Dinosauria Theropoda

21. And T-Rex Scientific Name: Tyrannosaurus rex Phylum: Chordata Class: Dinosauria Theropoda

22. Earliest forms of Theropods zCoelurosauria Maybe…?This is what we have to work with.

23. Typical Coelurosauria: Saltopus

24. Coeleurosaurs zVery common Lower Mesozoic fossil

25. Archaeopteryx Fossil Maybe…?

26. Where are Archaeopteryx found? Mostly in Germany

27. Cretaceous Coelurosaurs zSome species became very specialized

28. Struthiomimus Or an even scarier version… Mmmmmm...dragonfly. In later years, you will see me on Sesame Street… Found in Upper Cretaceous Lance Formation on the Hanson Ranch

29. Dromaeosaurus: The "raptors" One version…

30. Or? Dromaeosaurus: The "raptors"

31. 2 nd Theropod Group zFlesh-like spectacular forms zFamous because of their starring role in Japanese movies

32. Teratosaurus zEarliest species - Triassic

33. Teratosaurs

34. Tyrannosaurides (T-Rex)