Australia has two genera listed in this family. Semmons et al (1995) listed only a single Tasmanian species; Cryptorhamphus orbus
Genus Gonystus
There are numerous Tasmanian sightings of this genus on the ALA
References;
Atlas of Living Australia website at http://www.ala.org.au. https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/f0c994ff-ca83-4ea9-958e-43967c384e71#overview Accessed 24 July 2025.
Semmens, T. D., McQuillan, P. B., & Hayhurst G. 1992. Catalogue of the Insects of Tasmania. Department of Primary Industry Tasmania.