We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTunicates and not cephalochordates are the closest living relatives of vertebrates.AuthorsDelsuc, Frédéric; Brinkmann, Henner; Chourrout, Daniel; Philippe, HervéPublicationNature, 2006, Vol 439, Issue 7079, p965ISSN0028-0836Publication typearticleDOI10.1038/nature04336