HISTORY OF LIFE

1. The Origin of Life
   
2. Earth's Earliest Life
   
3. Sex and Nuclei: Eukaryotes
   
4. The Evolution of Animals
   
5. Life in a Changing World
   
6. Extinction
   
7. The Early Vertebrates
   
8. Leaving the Water
   
9. Amphibians and Reptiles
   
10. Reptiles and Thermoregulation
    
11. Triassic Takeover
    
12. Dinosaurs
    
13. Warm-Blooded Dinosaurs?
    
14. The Evolution of Flight
    
15. The Origin of Mammals
    
16. Marine Reptiles
    
17. Why Flowers are Beautiful
    
18. The End of the Dinosaurs
    
19. Cenozoic Mammals
    
20. Geography and Evolution
    
21. Primates
    
22. Evolving Toward Humans
    
23. The Ice Age
    
24. Humans and the Ice Age
    

The Triassic Takeover

The Diapsid Reptiles

• UC Berkeley's Introduction to the Diapsids
• An Overview of the Fossil Diapsids from the Russian Dinosaur Exposition Website in St. Louis
• Tree of Life Website Guide to the Diapsids
• Lecture Notes Explaining those Confusing Patterns of Temporal Fenestrae
• Unranked Indented Classification of Reptiles with Emphasis on Lepidosauromorpha
• Another Tuatara Image and Striking Snake from Manifesto for Herpetology at the University of Texas at Austin
  
  
• UC Berkeley's Introduction to the Diapsid Archosauromorphs
• The Permian Gliding Weigeltisaur Diapsid, Sharovipteryx
• Evidence of the Gondwanaland Supercontinent from Fossils of the Marine Diapsid Reptile, Mesosaurus First Argued by Alfred Wegener
  

The Triassic Diapsid Takeover: The Pattern

• Lecture Notes on the Triassic World
• Yale's Peabody Museum Panorama from the Triassic
• Excellent Background Details from the Triassic Panorama
• Triassic Paleogeography of the Southwestern US
• Ages of the Mesozoic

Respiration, Metabolism, and Locomotion

• Richard Cowen's Locomotion and Respiration in Marine Air-Breathing Vertebrates

Thecodonts

• Cladistic Reclassification of "Thecodonts" (Archosauromorphs that are not Crocodiles, Pterosaurs, or Dinosaurs)
• Images of Late Permian Predatory Thecodonts, the Most Ancient Known Thecodont, Archosaurus, and the Lion-sized Garjainia (With a Description of the Interaction Between these Agile Predators and the Large but Slow Dicynodonts)

Rhynchosaurs

• New Article on Rhynchosaurs
• Rhynchosaurs from Shropshire, Wales
• Home Page of Michael Benton

Dinosaur Ancestors

• Introduction to an Early (225 Ma) South African Near-Dinosaur, Euparkeria
• Skull of Ancient Near-Dinosaur, Herrerasaurus, or Many Excellent Details Here
• One of North America's Oldest (210 Mya) Known Dinosaurs was a Fierce Predator: Coelophysis
• GiantPhylogenetic Classification and Genus Index of the Dinosaurs
• T. Mike Keesey's Selected Dinosaur Links