Genera: Codonocarpus - Cypselocarpus - Gyrostemon - Tersonia - Walteranthus
Gyrostemonaceae (Endl.) A. Juss.
* Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 6, May 2005. 
Gyrostemonaceae is a family of plants in order Brassicales. It comprises 6 genera, totalling about 18 species. All are endemic to temperate parts of Australia. They are shrubs or small trees with small, often narrow leaves, and small flowers. They are wind-pollinated.
Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License