| Cyclanthaceae | ** |
Cyclanthus angustifolius
| Linden & Van Houtte ex Otto | Allg. Gartenzeitung 23: 3 | 1855 |
| Cyclanthaceae | |
Cyclanthus bifolius
| Perr. | Mém. Soc. Linn. Paris 3: 112 | 1825 |
| Cyclanthaceae | ! |
Cyclanthus bipartitus
| Poit. ex A. Rich. | Dict. Class. Hist. Nat. 5: 222 | 1824 |
| Cyclanthaceae | ** |
Cyclanthus bipartitus
| Poit. | Mém. Mus. Hist. Nat. 9: 36–37, t. 2 | 1822 |
| Cyclanthaceae | |
Cyclanthus cristatus
| Klotzsch | Linnaea 20: 469 | 1847 |
| Cyclanthaceae | ** |
Cyclanthus discolor
| hort. | Gard. Chron., n.s. 19: 510 | 1883 |
| Cyclanthaceae | |
Cyclanthus estaba
| Schaedtler | Hamburger Garten- Blumenzeitung 31: 302 | 1875 |
| Cyclanthaceae | |
Cyclanthus godseffianus
| hort. | Gard. Chron., ser. 3 11: 731 | 1892 |
| Cyclanthaceae | |
Cyclanthus indivisus
| R.E. Schult. | Bot. Mus. Leafl. 18(6): 305–310, pl. 58–59 | 1959 |
| Cyclanthaceae | ** |
Cyclanthus nobilis
| hort. ex Domin | Ann. Jard. Bot. Buitenzorg 24: 235 | 1911 |
| Cyclanthaceae | |
Cyclanthus plumieri
| Poit. | Mém. Mus. Hist. Nat. 9: 37 | 1822 |
| Cyclanthaceae | |
Cyclanthus plumieri
| Poit. ex A. Rich. | Dict. Class. Hist. Nat. 5: 222 | 1824 |
| Cyclanthaceae | ** |
Cyclanthus rhombeus
| Oerst. | Praecurs. Fl. Centroamer. 76 | 1873 |
| Cyclanthaceae | ** |
Cyclanthus semicircularis
| Oerst. | Praecurs. Fl. Centroamer. 76 | 1873 |
| Cyclanthaceae | ** |
Cyclanthus triangularis
| Oerst. | Praecurs. Fl. Centroamer. 76 | 1873 |