We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA stem batrachian from the Early Permian of Texas and the origin of frogs and salamanders.AuthorsAnderson JS; Reisz RR; Scott D; Fröbisch NB; Sumida SSPublicationNature, 2008, Vol 453, Issue 7194, p515ISSN1476-4687Publication typearticleDOI10.1038/nature06865