Molecular Phylogeny of the Order Haplosclerida
2011

Phylogenetic Relationships of Marine Haplosclerida Sponges

Sample size: 39 publication Evidence: high

Author Information

Author(s): Redmond Niamh E., Raleigh Jean, van Soest Rob W. M., Kelly Michelle, Travers Simon A. A., Bradshaw Brian, Vartia Salla, Stephens Kelly M., McCormack Grace P.

Hypothesis

The order Haplosclerida needs revision at all taxonomic levels based on molecular data.

Conclusion

The study provides a comprehensive view of the phylogenetic relationships of marine Haplosclerida, suggesting the presence of four clades.

Supporting Evidence

  • The study analyzed multiple gene regions to understand sponge relationships.
  • Phylogenetic trees indicated the presence of four distinct clades.
  • Findings suggest that traditional classifications of sponges may need to be revised.

Takeaway

Scientists studied a group of sponges to understand how they are related to each other, and they found four main groups.

Methodology

The study used DNA sequences from the 28S rRNA, nad1, and cox1 genes to analyze phylogenetic relationships.

Limitations

The study's findings may be limited by the number of species sampled and the evolutionary rates of the genes used.

Digital Object Identifier (DOI)

10.1371/journal.pone.0024344

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