| Label | Id | |
|---|---|---|
| Pterastericolidae | 39222 | |
| Pteronymia | 127222 | |
| Racta | 1922295 | |
| Rasopone | 2547222 | |
| Rhamphospermum | 2982229 | |
| Rhodospora | 362229 | |
| Rhodothermia | 1853222 | |
| Rhysipolinae | 322216 | |
| Rhysium | 2869222 | |
| Rochefortia | 222089 | |
| Runaria | 222776 | |
| Saccoblastiaceae | 5222 | |
| Saccoglossus | 10222 | |
| Salegentibacter | 143222 | |
| Salilagenidium | 1702222 |