| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Oryzomyini | Nectomys | 426 |
| 2 | Oryzomyini | Oryzomys | 24 |
| 3 | Oryzomyini | Oligoryzomys | 10 |
| 4 | Oryzomyini | Oecomys | 6 |
| 5 | Oryzomyini | Nephelomys | 5 |
| 6 | Oryzomyini | Holochilus | 4 |
| 7 | Oryzomyini | Melanomys | 3 |
| 8 | Oryzomyini | Neacomys | 3 |
| 9 | Oryzomyini | Handleyomys | 2 |
| 10 | Oryzomyini | Transandinomys | 2 |
| 11 | Oryzomyini | Aegialomys | 2 |
| 12 | Oryzomyini | Euryoryzomys | 1 |