| argentina | | necromys lactens | species | 7 | 0 |
| argentina | | necromys lilloi | species | 5 | 0 |
| argentina | | necromys obscurus scagliarum | subspecies | 3 | 0 |
| bolivia | | necromys lenguarum | species | 7 | 0 |
| bolivia | cochabamba department | necromys lactens | species | 0 | 1 |
| bolivia | santa cruz department | necromys lenguarum | species | 1 | 0 |
| paraguay | | necromys lenguarum | species | 1 | 0 |
| uruguay | | necromys obscurus obscurus | subspecies | 3 | 0 |