| Trichopilia picta Lem., 1859 |
| Trichopilia subulata (Sw.) Rchb. f., 1865 |
| Trichopilia tortilis Lindl., 1836 |
| Trichosalpinx Luer, 1983 |
| Trichosalpinx blaisdellii (S. Watson) Luer, 1983 |
| Trichosalpinx cedralensis (Ames) Luer, 1983 |
| Trichosalpinx ciliaris (Lindl.) Luer, 1983 |
| Trichosalpinx diazii Beutelsp. & Moreno-Molina, 2014 |
| Trichosalpinx dura (Lindl.) Luer, 1983 |
| Trichosalpinx foliata (Griseb.) Luer, 1983 |
| Trichosalpinx greenwoodiana Soto Arenas, 1987 |
| Trichosalpinx memor (Rchb. f.) Luer, 1983 |
| Trichosalpinx nageliana Soto Arenas, 1987 |
| Trichosalpinx pringlei (Schltr.) Luer, 1983 |
| Trichosalpinx tamayoana Soto Arenas, 1987 |
| Trichosalpinx trachystoma (Schltr.) Luer, 1983 |
| Trigonidium Lindl., 1837 |
| Trigonidium brachyglossum (A. Rich. & Galeotti) Schltr., 1918 |
| Trigonidium egertonianum Bateman ex Lindl., 1838 |
| Trigonidium ringens Lindl., 1840 |