Phylogeny of Medusozoa and the evolution of cnidarian life cycles

  title={Phylogeny of Medusozoa and the evolution of cnidarian life cycles},
  author={Allen Gilbert Collins},
  journal={Journal of Evolutionary Biology},
  • A. Collins
  • Published 1 May 2002
  • Biology
  • Journal of Evolutionary Biology
To investigate the evolution of cnidarian life cycles, data from the small subunit of the ribosome are used to derive a phylogenetic hypothesis for Medusozoa. These data indicate that Cnidaria is monophyletic and composed of Anthozoa and Medusozoa. While Cubozoa and Hydrozoa are well supported clades, Scyphozoa appears to be paraphyletic. Stauromedusae is possibly the sister group of either Cubozoa or all other medusozoans. The phylogenetic results suggest that: the polyp probably preceded the… 

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  • A. Collins
  • Biology
    Proceedings of the National Academy of Sciences of the United States of America
  • 1998
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