The Origins of Larvae by Donald WilliamsonThe Origins of Larvae by Donald Williamson

The Origins of Larvae

byDonald Williamson

Paperback | December 1, 2010

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Many biological facts are irreconcilable with the assumption that larvae and adults evolved from the same genetic stock. The author of this book draws attention to these, and presents his alternative hypothesis that larvae have been transferred from one taxon to another.In his previous book (Larvae and Evolution, 1992), the author used larval transfer to explain developmental anomalies in eight animal phyla. In the present book, he claims that the basic forms of all larvae and all embryos have been transferred from foreign taxa. This leads to a new, comprehensive theory on the origin of embryos and larvae, replacing the discredited 'recapitulation' theory of Haeckel (1866). Metamorphosis, previously unexplained, represents a change in taxon during development.
Title:The Origins of LarvaeFormat:PaperbackDimensions:279 pages, 8.78 × 5.98 × 0 inPublished:December 1, 2010Publisher:Springer NetherlandsLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9048163773

ISBN - 13:9789048163779

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Table of Contents

Foreword.- Preface to the First Edition.- Preface to the Second Edition.-Acknowledgements.- 1. Introduction.- I Overview. 2. Larvae. 3. The issues in context.- II Examples. 4. Blastulas, Gastrulas and the first animals. 5. Coelenterate Animals. 6. Trochophorate animals: polychaetes, echiurans, sipunculans, molluscs. 7. Near-Trochophorate animals: flatworms, nemerteans, bryozoans, lophophorates. 8. Echinoderms: adults and larvae. 9. Echinoderms and hermichordates. 10. Echinoderms: metamorphosis. 11. Echinoderms: sea-urchings and brittle-stars. 12. Echinoderms: fossil record. 13. Urochordates. 14. Arthropods.- III Solutions. 15. Hybrids.- IV Conclusions. 16. Towards a new zoology.- Bibliography.- Glossary.- Index.