Main map (top) shows the location of museum specimens of the four taxa in the Diplodactylus galeatus species complex (‘?’ animals from near Hermannsburg assigned to D. tjoritjarinya sp. nov. southern ESU require genetic validation) in relation to IBRA regions. Background imagery courtesy of ESRI. Animals genotyped in this study are denoted with a white star symbol. Inset map shows the location of records in Australia over a 9-s digital elevation model courtesy of Geoscience Australia. Photographs show habitat for: A Diplodactylus fyfei sp. nov. in the foothills of Beddome Range on New Crown Station, Northern Territory (P. McDonald), and B Diplodactylus tjoritjarinya sp. nov. in Tjoritja National Park, Northern Territory (P. McDonald). Note the presence of small loose or partially embedded rocks in the foreground of image B – both species are frequently observed perched atop rocks at night.