Swalla, Billie J Deciphering deuterostome phylogeny: molecular, morphological and palaeontological perspectives. [electronic resource] - Philosophical transactions of the Royal Society of London. Series B, Biological sciences Apr 2008 - 1557-68 p. digital Publication Type: Journal Article; Review ISSN: 0962-8436 Standard No.: 10.1098/rstb.2007.2246 doi Subjects--Topical Terms: AnimalsBody PatterningEvolution, MolecularFossilsGenes, HomeoboxInvertebrates--classificationPaleontologyPhylogenyVertebrates--classification