Rag1 phylogeny focusing on South American salamanders. The 50% majority-rule phylogenetic tree of Rag1 inferred from Bayesian analyses. Posterior probabilities are located at nodes or above branches. Clades referred to in the text and derived from the combined analysis are noted in vertical. See Table 1 and Figure 1 for more information on sample localities.
Elmer et al. BMC Evolutionary Biology 2013 13:59 doi:10.1186/1471-2148-13-59