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Diapsida

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  1. Part 8 Diapsida Non-Avian Reptiles

  2. Diapsida (living)

  3. Parareptiles Turtles Crocodilians Reptiles Pterosaurs Archosaurs Ornithischian dinosaurs Dinosaurs Saurischian dinosaurs other than birds Diapsids Saurischians Birds Plesiosaurs ANCESTRAL AMNIOTE Ichthyosaurs Tuataras Lepidosaurs Squamates Diapsida (all)

  4. Diapsida (all)

  5. Post-Paleozoic is the age of amniotes

  6. Mesozoic Age of Reptiles (diapsids)

  7. Diapsid Diversity (all)

  8. Diapsid Diversity (living)

  9. Diapsida Turtles Lepidosaurs Archosaurs †Other

  10. Diapsida

  11. Diapsida(living) Turtles

  12. Turtles Order Testudines (Chelonia)

  13. Turtles Diapsida (living)

  14. Triassic Turtle – 220 mya Odontochelys

  15. What’s unique about the turtle line? Loss of temporal fossae Primitive Diapsid Fossil turtle Anapsid condition

  16. What’s unique about the turtle line? Shell derived from dermal bone

  17. What’s unique about the turtle line? Shell derived from dermal bone

  18. What’s unique about the turtle line? Shell derived from dermal bone

  19. What’s unique about the turtle line? Loss of teeth (living forms)

  20. Triassic turtles

  21. Diversity and random bits of biology

  22. Sea turtles

  23. Freshwater turtles

  24. Land Tortoises

  25. Endothermy?

  26. Social and courtship behaviors

  27. Reproduction

  28. Migrations

  29. Pets Trachemys scripta elegans

  30. Conservation

  31. A Ventura County Native Actinemysmarmorata

  32. Diapsida(living) Lepidosaurs

  33. Lepidosaurs

  34. Lepidosaurs

  35. Lepidosaurs Diapsida (living)

  36. What’s unique about lepidosaurs? Transverse cloaca

  37. What’s unique about lepidosaurs? skin shed in one piece

  38. Lizards and Snakes Order Squamata

  39. Squamata Diapsida (living)

  40. Order Squamata Lizards and Snakes Is it really this simple?

  41. Order Squamata two living lineages Snakes, monitors True lizards

  42. What is unique about Squamates? Hemipeneson males

  43. Kinetic Skull

  44. Suborder Sauria lizards

  45. Tail regeneration

  46. Australia Convergent Evolution Moloch N. America Phrynosoma

  47. PhrynosomaHatchling

  48. Ophisaurus “Glass snakes”