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Phylogenetic diversity through deep time: an exploration using Mesozoic dinosaurs

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Talk given at Evolution (Austin, 2016).

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Phylogenetic diversity through deep time: an exploration using Mesozoic dinosaurs

  1. 1. Phylogenetic diversity through deep time: an exploration using Mesozoic dinosaurs Graeme T. Lloyd @GraemeTLloyd David W. Bapst @dwbapst Matt Friedman @Friedman_Lab Katie E. Davis @drkatiedavis
  2. 2. Caveat emptor
  3. 3. Caveat emptor
  4. 4. Biodiversity
  5. 5. Biodiversity Suezichthys n. sp.
  6. 6. Biodiversity Suezichthys n. sp.
  7. 7. Palaeobiodiversity
  8. 8. Palaeobiodiversity Time (Ma) Sepkoski 2002
  9. 9. Palaeobiodiversity Time (Ma) Sepkoski 2002; Foote 1994
  10. 10. The problem
  11. 11. The problem
  12. 12. = The problem 5 spp. 5 spp.
  13. 13. PD as a solution?
  14. 14. PD as a solution? Fritz and Purvis 2010
  15. 15. Limiting factor
  16. 16. Largest fossil-only phylogenies Pisani et al. 2002; Lloyd et al. 2008
  17. 17. Updated phylogenetic hypothesis
  18. 18. Updated phylogenetic hypothesis 100 trees
  19. 19. Temporal data
  20. 20. Results
  21. 21. Results: DinosauriaPD(m.y.) Time (Ma)
  22. 22. Results: OrnithischiaPD(m.y.) Time (Ma)
  23. 23. Results: TheropodaPD(m.y.) Time (Ma)
  24. 24. Results: SauropodomorphaPD(m.y.) Time (Ma)
  25. 25. Roots: Ornithischia
  26. 26. Roots: Theropoda
  27. 27. Roots: Sauropodomorpha
  28. 28. Roots: Dinosauria
  29. 29. Roots: Dinosauria K-Pg reset
  30. 30. Correlation with richness
  31. 31. Correlation with richness
  32. 32. Correlation with richness Mean = 0.92
  33. 33. Correlation with richness Mean = 0.92
  34. 34. Correlation with richness Mean = 0.92
  35. 35. Still to do
  36. 36. Still to do cal3
  37. 37. Still to do cal3
  38. 38. Still to do cal3
  39. 39. Still to do cal3
  40. 40. Conclusions
  41. 41. Conclusions
  42. 42. Conclusions
  43. 43. Conclusions
  44. 44. Conclusions

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