We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAnimal phylogeny and the ancestry of bilaterians: inferences from morphology and 18S rDNA gene sequences.AuthorsPeterson KJ; Eernisse DJPublicationEvolution & development, 2001, Vol 3, Issue 3, p170ISSN1520-541xPublication typearticleDOI10.1046/j.1525-142x.2001.003003170.x