A supertree of temnospondyli: cladogenetic patterns in the most species-rich group of early tetrapods.

ABSTRACT: As the most diverse group of early tetrapods, temnospondyls provide a unique opportunity to investigate cladogenetic patterns among basal limbed vertebrates. We present five species-level supertrees for temnospondyls, built using a variety of methods. The standard MRP majority rule consensus including minority components shows slightly greater resolution than other supertrees, and its shape matches well several currently accepted hypotheses of higher-level phylogeny for temnospondyls as a whole. Also, its node support is higher than those of other supertrees (except the combined standard plus Purvis MRP supertree). We explore the distribution of significant as well as informative changes (shifts) in branch splitting employing the standard MRP supertree as a reference, and discuss the tempo

SUBMITTER: Ruta M 

PROVIDER: S-EPMC2293949 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature