Eleven species of shallow-water Pycnogonida are recorded from the Investigator Group of islands, SouthAustralia. Pseudopallene brevicephala sp. nov. is described. The female of P. reflexa Staples,2005 and the male of P. inflata Staples, 2005 are recorded for the first time. A key to the southern Australian species of Pseudopallene is provided.