| Sarcoglottis tenuiflora (Greenm.) Conz., 1947 |
| Sarcoglottis thelymitra (Rchb. f.) Ames, 1934 |
| Sarcoglottis velata (B.L. Rob. & Fernald) Conz., 1939 |
| Sarcoglottis zamororae Ames, 1923 |
| Satyrium Sw., 1800 |
| Satyrium adnatum Sw., 1788 |
| Satyrium apiculata Lindl., 1840 |
| Satyrium laxiflora Raf., 1837 |
| Satyrium orchioides Sw., 1788 |
| Satyrium quadridentata (Willd.) Lindl., 1824 |
| Satyrium quinquelobata (Poir.) Urb., 1918 |
| Satyrium spirale Sw., 1788 |
| Sauroglossum Lindl., 1833 |
| Sauroglossum cranichoides (Griseb.) Ames, 1904 |
| Sauroglossum nigricans Schltr., 1918 |
| Scaphosepalum Pfitzer, 1888 |
| Scaphosepalum microdactylum Rolfe, 1893 |
| Scaphosepalum standleyi Ames, 1925 |
| Scaphyglottis Poepp. & Endl., 1836 |
| Scaphyglottis behrii (Rchb. f.) Benth. & Hook. f. ex Hemsl., 1883 |