| Label | Id | |
|---|---|---|
| Pseudopotamorites | 2904918 | |
| Pseudostriatella | 568904 | |
| Pternandra | 119904 | |
| Ptychorrhoe | 2569040 | |
| Rhadinomphax | 2569043 | |
| Rheoglanis | 390425 | |
| Rhinemys | 904228 | |
| Rhinocylapidius | 406904 | |
| Rhodobiaceae | 119043 | |
| Rhopospina | 2786904 | |
| Roeperocharis | 1003904 | |
| Romeriaceae | 1890432 | |
| Rubellofomes | 2939042 | |
| Rugelia | 904557 | |
| Rybaxis | 879049 |