Phylum Nemertea, class Nemertinea, order Hoplonemertea, family Plectonemertidae. See Mesibov, R. 1994. Colourful but puzzling. Invertebrata 1 (where the genus name is spelt 'Argonemertes').
Argononemertes australiensis is listed in the following regions:
Maps
Bodalla State Forest