Abstract
Fastosarion Iredale, 1933 is diagnosed. The reproductive anatomy of each of the following species is described and figured: Fastosarion superba (Cox, 1871) (type species of Fastosarion) from Mt Dryander and Clarke Range, between Bowen and Mackay, Fastosarion helenkingae sp. nov. from Mt Elliot, near Townsville, and Fastosarion aquavitae sp. nov. from Brandy Creek, near Proserpine, Queensland.