Fig. 4

Dated phylogeny of Atrax O. Pickard-Cambridge, 1877 based on BEAST analysis of 75 terminals and three genetic markers (COI, 16S and 28S) for a total of 3814 aligned bp. Divergence dates and 95% HPD bars indicated at nodes. Geological time scale includes the following periods: Permian, Triassic, Jurassic, Cretaceous, Paleogene and Neogene/Quaternary (Neo/Quat)