| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Xanthotrogus | 1 | 0 | 0 |
| Xanthotrogus tadzhikorum Nikolajev 2008 | 0 | 0 | 1 |
| Xenocyon | 1 | 0 | 0 |
| Xenocyon lycaonoides | 0 | 0 | 1 |
| Xestia | 1 | 0 | 0 |
| Xestia c-nigrum | 0 | 0 | 1 |
| Xylanthemum | 1 | 0 | 0 |
| Xylanthemum pamiricum (Hoffm.) Tzvel. | 0 | 0 | 1 |
| Yatsengia | 1 | 0 | 0 |
| Yatsengia asiatica | 0 | 0 | 0 |
| Yatsengiidae | 1 | 0 | 0 |
| Yllenus | 3 | 0 | 0 |
| Yllenus albocinctus | 0 | 0 | 1 |
| Yllenus murgabicus | 0 | 0 | 1 |
| Yllenus pamiricus | 0 | 0 | 1 |
