Dinosaurs

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Dinosaurs Instructor Jason Lederer MW 930
1045
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Paleontology
Ross Geller - Friends

• The study of ancient life
• Paleontologists are geologists
• Often come to different conclusions when working
  with the same evidence

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Warm blooded or cold blooded?

• What is the evidence?

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Time and the Fossil Record
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Geologic Time Scale
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When did dinosaurs live?
Millions of Years
First People
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Cenozoic
Last Dinosaur
Tertiary
65
Cretaceous
145
Mesozoic
Jurassic
208
First Dinosaur
Triassic
250
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Groups of Dinosaurs
Archosauria - dinosaurs, crocodiles, flying
reptiles (pterosaurs) and their relatives.
Therapsids - mammal-like reptiles
Probainognathus
Garjainia triplicostata
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So what happened to dinosaurs?
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Fossilization
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i.e.) Karoo reptile
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