Quantum redactiones paginae "Bilateria" differant

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* Olga I. Raikova, M. Reuter, Ulf Jondelius, Margaretha K. S. Gustafsson, (2000). An immunocytochemical and ultrastructural study of the nervous and muscular systems of ''Xenoturbella westbladi'' (Bilateria inc. sed.), ''Zoomorphology'' '''120'''(2): 107-118.
* Baguñà, J. & Riutort, M. 2004. The dawn of bilaterian animals: the case of acoelomorph flatworms. BioEssays 26: 1046-1057.
* Brusca, R.C. & Brusca, G.J. 1990. Invertebrates. Sinauer Associates, Sunderland.
* Cavalier-Smith, T. 1998. A revised six-kingdom system of life. Biol. Rev. 73: 203-266.
* Giribet, G., Distel, D.L., Polz, M., Sterrer, W. & Wheeler, W.C. 2000. Triploblastic Relationships with Emphasis on the Acoelomates and the Position of Gnathostomulida, Cycliophora, Plathelminthes, and Chaetognatha: A Combined Approach of 18S rDNA Sequences and Morphology. Syst. Biol. 49(3): 539-562.