The Origins of Larvae / Edition 2

The Origins of Larvae / Edition 2

by D. Williamson
ISBN-10:
1402015143
ISBN-13:
9781402015144
Pub. Date:
12/31/2003
Publisher:
Springer Netherlands
ISBN-10:
1402015143
ISBN-13:
9781402015144
Pub. Date:
12/31/2003
Publisher:
Springer Netherlands
The Origins of Larvae / Edition 2

The Origins of Larvae / Edition 2

by D. Williamson
$169.99 Current price is , Original price is $169.99. You
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Overview

Many biological facts are irreconcilable with the assumption that larvae and adults evolved from the same genetic sk. 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.


Product Details

ISBN-13: 9781402015144
Publisher: Springer Netherlands
Publication date: 12/31/2003
Edition description: 2nd revised ed. 2003
Pages: 261
Product dimensions: 8.27(w) x 11.69(h) x 0.03(d)

Table of Contents

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 Hemichordates.- 10. Echinoderms: Metamorphosis.- 11. Echinoderms: Sea-Urchins and Brittle-Stars.- 12. Echinoderms: Fossil Record.- 13. Urochordates.- 14. Arthropods.- III. Solutions.- 15. Hybrids.- IV. Conclusions.- 16. Toward a New Zoology.
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