| Ixonanthaceae | |
Brewstera
| M. Roem. | Fam. Nat. Syn. Monogr. 1: 132, 141 | 1846 |
| Ixonanthaceae | |
Cyrillopsis
| Kuhlm. | Arch. Jard. Bot. Rio de Janeiro 4: 356 | 1925 |
| Ixonanthaceae | |
Discogyne
| Schltr. | Bot. Jahrb. Syst. 52: 123 | 1914 |
| Ixonanthaceae | ** |
Emmenanthes
| Hook. f. & Arn. | Bot. Beechey Voy. 217 | 1837 |
| Ixonanthaceae | |
Emmenanthus
| Hook. & Arn. | Bot. Beechey Voy. 217 | 1841 [1837] |
| Ixonanthaceae | ** |
Ixionanthes
| Endl. | Gen. Pl. 1055 | 1840 |
| Ixonanthaceae | |
Ixonanthes
| Jack | Malayan Misc. 2(7): 51 | 1822 |
| Ixonanthaceae | |
Ochthocosmus
| Benth. | London J. Bot. 2: 366 | 1843 |
| Ixonanthaceae | |
Phyllocosmus
| Klotzsch | Abh. Königl. Akad. Wiss. Berlin 1856: 232 | 1857 |
| Ixonanthaceae | |
Pierotia
| Blume | Mus. Bot. 1: 179 | 1850 |