| Label | Id | |
|---|---|---|
| Turbocavus | 2050608 | |
| Tymovirales | 675063 | |
| Tyzzerella | 1506577 | |
| Urashima | 1550683 | |
| Ventrifissuridae | 1938506 | |
| Vultocinus | 1550685 | |
| Willkommlangea | 2506200 | |
| Xanthabris | 2506999 | |
| Xenocalonectria | 137506 | |
| Xenocylindrocladium | 137506 | |
| Xenograpsidae | 571506 | |
| Xenoseimatosporium | 2506007 | |
| Xoanodera | 583506 | |
| Xylophaga | 183506 | |
| Yaetakaria | 1195065 |