| Gongylanthus Nees, 1836 |
| Gongylanthus ericetorum (Raddi) Nees, 1836 |
| Gongylanthus liebmannianus (Lindenb. & Gottsche) Steph., 1906 |
| Gongylanthus muelleri (Gottsche) Steph., 1906 |
| Gongylanthus pringlei (Underw.) Steph., 1906 |
| Southbya Spruce, 1849 |
| Southbya crenulata (Mitt.) Bernet, 1888 |
| Southbyaceae Váña, Crand.-Stotl., Stotler & D.G. Long, 2012 |