Phylogeny

• Balavoine, G. & Adoutte, A. 1998. One or three Cambrian radiations? Science 280: 397–398. DOI: 10.1126/science.280.5362.397
• Hejnol, A. et al. 2009 (online). Assessing the root of bilaterian animals with scalable phylogenomic methods. Proceedings of the Royal Society (B) DOI: 10.1098/rspb.2009.0896
• Jondelius, U., Ruiz-Trillo, I., Baguñà, J. & Riutort, M. 2002. The Nemertodermatida are basal bilaterians and not members of the Platyhelminthes. Zoologica scripta 31: 201–215. DOI: 10.1046/j.1463-6409.2002.00090.x
• Lartillot, N. & Philippe, H. 2008. Improvement of molecular phylogenetic inference and the phylogeny of Bilateria. Philosophical transactions of the Royal Society (B) 363: 1463–1472. DOI: 10.1098/rstb.2007.2236
• Paps, J., Baguñà, J. & Riutort, M. 2009. Bilaterian phylogeny: a broad sampling of 13 nuclear genes provides a new Lophotrochozoa phylogeny and supports a paraphyletic basal Acoelomorpha. Molecular biology and evolution 26(10): 2397–2406. DOI: 10.1093/molbev/msp150
• Rieger, R. & Ladurner, P. 2001. Searching for the stem species of the Bilateria. Belgian journal of zoology 131(supplement 1): 27–34. PDF.
• Wallberg, A., Curini-Galletti, M., Ahmadzadeh, A. & Jondelius, U. 2007. Dismissal of Acoelomorpha: Acoela and Nemertodermatida are separate early bilaterian clades. Zoologica scripta 36: 509–523. DOI: 10.1111/j.1463-6409.2007.00295.x
• Zrzavý, J. 2002. Gastrotricha and metazoan phylogeny. Zoologica scripta 32: 61–81. DOI: 10.1046/j.1463-6409.2003.00104.x