UsefulLinks
Biology
Paleontology
Vertebrate Paleontology
1. Foundations of Vertebrate Paleontology
2. The Fossil Record and Geological Time
3. Field and Laboratory Methods
4. Vertebrate Anatomy and Systematics
5. Early Vertebrate Evolution
6. Gnathostome Origins and Early Jawed Fishes
7. Osteichthyan Diversification
8. The Water-to-Land Transition
9. Amphibian Evolution
10. Amniote Origins and Early Evolution
11. Synapsid Evolution and Mammalian Origins
12. Sauropsid Radiation
13. Mesozoic Marine Reptiles
14. Lepidosauromorph Evolution
15. Archosauromorph Dominance
16. Crocodylomorph Evolution
17. Pterosaur Evolution and Flight
18. Dinosaur Origins and Early Evolution
19. Sauropodomorph Evolution
20. Theropod Evolution and Diversity
21. Ornithischian Diversity
22. Avian Origins and Early Evolution
23. Cenozoic Mammalian Radiation
24. Primate and Human Evolution
25. Macroevolutionary Patterns and Processes
22.
Avian Origins and Early Evolution
22.1.
Bird Characteristics
22.1.1.
Feathers
22.1.2.
Flight Adaptations
22.1.3.
Respiratory System
22.1.4.
Reproductive Features
22.2.
Feather Evolution
22.2.1.
Integumentary Structures
22.2.2.
Theropod Feathers
22.2.3.
Functional Transitions
22.2.4.
Developmental Pathways
22.3.
Flight Origins
22.3.1.
Arboreal Hypothesis
22.3.2.
Cursorial Hypothesis
22.3.3.
Wing-assisted Incline Running
22.4.
Archaeopteryx
22.4.1.
Transitional Features
22.4.2.
Flight Capabilities
22.4.3.
Ecological Context
22.4.4.
Specimen Diversity
22.5.
Early Avian Radiation
22.5.1.
Confuciusornithiformes
22.5.2.
Enantiornithes
22.5.3.
Euornithes
22.6.
Mesozoic Bird Diversity
22.6.1.
Hesperornithiformes
22.6.2.
Ichthyornithiformes
22.6.3.
Gobipterygiformes
22.6.4.
Songlingornithiformes
22.7.
Avian Survival
22.7.1.
K-Pg Boundary Crossing
22.7.2.
Small Body Size Advantage
22.7.3.
Ecological Flexibility
22.8.
Crown Group Birds
22.8.1.
Paleognathae
22.8.2.
Neognathae
22.8.3.
Molecular Phylogeny
22.8.4.
Cenozoic Radiation
Previous
21. Ornithischian Diversity
Go to top
Next
23. Cenozoic Mammalian Radiation