| Common Names - None found | Synonyms - |
| Authority - Small | Total Number of genera - 27 |
| Gymnosperm or Angiosperm? - Angiosperm | Total Number of species - 85 |
| Plant forms - Tree | |
| World Distribution - New Guinea, Australia, New Caledonia, Madagascar, continental Africa, Tropical America. | |
| Comments - This family was previously known as the subfamily Oldfieldioideae of the Euphorbiaceae.It now is allowed to stand on its own as a family. Genera are: ---------- Androstachys Aristogeitonia Austrobuxus Canaca[disambiguation needed] Celaenodendron Choriceras Dissiliaria Hyaenanche Kairothamnus Longetia Micrantheum Mischodon Neoroepera Oldfieldia Parodiodendron Petalostigma Picrodendron Piranhea Podocalyx Pseudanthus Scagea Stachyandra Stachystemon Tetracoccus Voatamalo Whyanbeelia | |
| 1 - Androstachys. 2 - Austrobuxus. 3 - Celaenodendron = Piranhea. 4 - Dissiliaria. 5 - Longetia. 6 - Mischodon. 7 - Oldfieldia. 8 - Piranhea. |