| antarctica | | uncultured nitrosopumilales archaeon | species | 52 | 0 |
| china | | uncultured nitrosopumilales archaeon | species | 2 | 0 |
| italy | sicily autonomous region | uncultured nitrosopumilales archaeon | species | 26 | 0 |
| united states | massachusetts | uncultured nitrosopumilales archaeon | species | 1 | 0 |