Across the Bridge
Understanding the Origin of the Vertebrates
- Contents
- Review Quotes

1.2 What Makes a Vertebrate?
1.3 Breaking Branches
1.4 Summary
2.2 Evolution and Ancestors
2.3 Summary
3.2 Genes and Phylogeny
3.3 Summary
4.2 The Geoffroy Inversion
4.3 The Phylotypic Stage
4.4 The Meaning of Homology
4.5 Summary
Chapter Six: Echinoderms
Chapter Seven: Hemichordates
Chapter Eight: Amphioxus
Chapter Nine: Tunicates
Chapter Ten: Vertebrates
Chapter Eleven: Some Non-deuterostomes
Chapter Twelve: Vertebrates from the Outside, In
12.2 The Organizer
12.3 The Notochord
12.4 Somitogenesis
12.5 Segmentation and the Head Problem
12.6 The Nervous System
12.7 Neural Crest and Cranial Placodes
12.8 The Skeleton
12.9 Summary
13.2 The Enteric Nervous System
13.3 The Head and the Heart
13.4 The Urogenital System
13.5 The Gut and Its Appendages
13.6 Immunity
13.7 The Pituitary Gland
13.8 Summary
14.2 Meiofaunal Beginnings
14.3 Cambroernids
14.4 Vetulicystids
14.5 Vetulicolians
14.6 Yunnanozoans
14.7 Pikaia
14.8 Cathaymyrus
14.9 The Earliest Fossil Vertebrates
14.10 Conodonts
14.11 Ostracoderms and Placoderms
14.12 Summary
15.2 Ambulacraria
15.3 Echinoderms
15.4 Hemichordates
15.5 Chordates
15.6 Amphioxus
15.7 The Common Ancestry of Tunicates and Vertebrates
15.8 Tunicates
15.9 Vertebrates
15.10 Cyclostomes
15.11 Gnathostomes
15.12 The Evolution of the Face
15.13 Crossing the Bridge
15.14 Conclusions
References
Index
Biological Sciences: Biology--Systematics | Evolutionary Biology | Paleobiology, Geology, and Paleontology | Physiology, Biomechanics, and Morphology
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