Maximum Likelihood tree of Stumpffia spp. based on analysis of a 621 bp fragment of the mitochondrial 16S rRNA gene. MUSCLE alignment, General Time Reversible model plus Gamma distribution, all sites used, × 1000 bootstraps, SPR level 5, no variant sites. Purple labels mark the other red-bellied Stumpffia species. Photographs Mark D. Scherz and Frank Glaw.