Requested reference
Rix, M. G., Raven, R. J. & Harvey, M. S. (2018). Systematics of the giant spiny trapdoor spiders of the genus Gaius Rainbow (Mygalomorphae: Idiopidae: Aganippini): documenting an iconic lineage of the Western Australian inland arid zone. Journal of Arachnology 46(3): 438-472. doi:10.1636/JoA-S-17-079.1 -- Show included taxa