Molecular Systematics and Evolution: Theory and Practice pp 85-101

Part of the EXS 92 book series (EXS, volume 92)

Relationships among metazoan phyla as inferred from 18S rRNA sequence data: a methodological approach

  • Gonzalo Giribet


The relationships among the phyla of Metazoa have been investigated by several authors. Different genes have been applied to this problem, but only the ribosomal gene 18S rRNA has been investigated for enough phyla so as to attempt an answer to the question of how the current living forms are related to each other (only one phylum, the Loricifera, is missing). In this chapter, I propose an alternative way to analyze the data obtained from ribosomal genes, or other non-coding genes that show sequence length variation.


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Copyright information

© Springer Basel AG 2002

Authors and Affiliations

  • Gonzalo Giribet
    • 1
  1. 1.Department of Organismic and Evolutionary BiologyHarvard University, Museum of Comparative ZoologyCambridgeUSA

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