Systematics and Paleoecology of Prognathodon- A Mosasaur from the Bearpaw Sea of Alberta

Systematics and Paleoecology of Prognathodon- A Mosasaur from the Bearpaw Sea of Alberta

Royal Tyrrell Museum of Palaeontology via YouTube Direct link

Systematics aneh Paleoecology of

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Systematics aneh Paleoecology of

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Systematics and Paleoecology of Prognathodon- A Mosasaur from the Bearpaw Sea of Alberta

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  1. 1 Intro
  2. 2 Systematics aneh Paleoecology of
  3. 3 Mosasaurs (ca. 98-65 Ma)
  4. 4 Prognathodon: Locality & Horizon
  5. 5 New Specimen 1: TMP 2007.34.01
  6. 6 New Specimen 2: TMP 2002.400.01
  7. 7 Specimen 1: Skull (85 cm L.)
  8. 8 Dental Wear
  9. 9 Crunch, crunch, crunch....
  10. 10 At the same time...
  11. 11 Crenulated carinae (cutting edges) conducive to slicing meat.
  12. 12 Ammonites = 'shelled squids' of the Cretaceous seas
  13. 13 Ammonite lower jaw?
  14. 14 Chemical composition (EDS) analysis
  15. 15 Long suspected...
  16. 16 New guild assignment to P. overtoni
  17. 17 Postcrania and diversification of mosasaurine mosasaurs
  18. 18 Forelimb
  19. 19 Hind limb
  20. 20 Evolutionary Implications
  21. 21 Eremiasaurus heterodontus from ca. 68 Ma, Morocco
  22. 22 Comparison of hind paddle between Prognathodon and Eremiasaurus
  23. 23 Campanian to Maastrichtian = decline in non-mosasaurine diversity

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