Non-monophyly of most supraspecific taxa of calcareous sponges (Porifera, Calcarea) revealed by increased taxon sampling and partitioned Bayesian analysis of ribosomal DNA.

@article{Dohrmann2006NonmonophylyOM,
  title={Non-monophyly of most supraspecific taxa of calcareous sponges (Porifera, Calcarea) revealed by increased taxon sampling and partitioned Bayesian analysis of ribosomal DNA.},
  author={Martin Dohrmann and Oliver Voigt and Dirk Erpenbeck and Gert W{\"o}rheide},
  journal={Molecular phylogenetics and evolution},
  year={2006},
  volume={40 3},
  pages={830-43}
}
Calcareous sponges (Porifera, Calcarea) play an important role for our understanding of early metazoan evolution, since several molecular studies suggested their closer relationship to Eumetazoa than to the other two sponge 'classes,' Demospongiae and Hexactinellida. The division of Calcarea into the subtaxa Calcinea and Calcaronea is well established by now, but their internal relationships remain largely unresolved. Here, we estimate phylogenetic relationships within Calcarea in a Bayesian… CONTINUE READING

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