Invertebrate relationships : patterns in animal evolution
Part I. Introduction to Animal Phylogeny: 1. Approaches to animal phylogeny 2. Morphological patterns and traditional divisions Part II. Sources of Evidence in Invertebrate Phylogeny: 3. Evidence from the fossil record 4. Evidence from chemistry and genetics 5. Evidence from embryology and larvae 6. Evidence from cell ultrastructure Part III. Phylogeny of Major Groups: 7. The origin of the Metazoa 8. Acoelomates and other lowly worms 9. The pseudocoelomates 10. The phylogenetic position of molluscs 11. Arthropod phylogeny 12. The deuterostomes 13. The Iophophorates 14. A phylogenetic overview of invertebrates References Index.