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Phylogenetic Exercises with Monophyletic Groups of Sponges

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Taxonomy of Porifera

Part of the book series: NATO ASI Series ((ASIG,volume 13))

Synopsis

The classification of the Porifera is critically evaluated using cladistic principles. The (syn-)apomorphic characters and character states are established for 34 groups of Porifera which are generally accepted as monophyletic. These characters/states are compared with the currently accepted classification of Hartman (1982), resulting in the conclusion that there are many non-parsimonious homoplasies included. Two consecutive attempts to amend this are presented. The first consists of a self-constructed strictly cladistic classification characterized by the assumption of many assumed losses. The second is a computer-based analysis characterized by a neutral construction of a classification with the least number of assumed homoplasies.

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Author information

Authors and Affiliations

  1. Institute of Taxonomic Zoology, University of Amsterdam, P.O. Box 20125, 1000 HC, Amsterdam, The Netherlands

    R. W. M. van Soest

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  1. R. W. M. van Soest
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Editors and Affiliations

  1. Station Marine d’Endoume, Centre d’Océanologie de Marseille, Rue de la Batterie des Lions, 13007, Marseille, France

    Jean Vacelet  & Nicole Boury-Esnault  & 

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© 1987 Springer-Verlag Berlin Heidelberg

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van Soest, R.W.M. (1987). Phylogenetic Exercises with Monophyletic Groups of Sponges. In: Vacelet, J., Boury-Esnault, N. (eds) Taxonomy of Porifera. NATO ASI Series, vol 13. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-70892-3_11

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  • DOI: https://doi.org/10.1007/978-3-642-70892-3_11

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-70894-7

  • Online ISBN: 978-3-642-70892-3

  • eBook Packages: Springer Book Archive

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