| canada | | uncultured anaerobic ammonium-oxidizing bacterium | species | 6 | 0 |
| china | | uncultured anaerobic ammonium-oxidizing bacterium | species | 4998 | 0 |
| china | anhui | uncultured anaerobic ammonium-oxidizing bacterium | species | 2 | 0 |
| china | guangdong | uncultured anaerobic ammonium-oxidizing bacterium | species | 89 | 0 |
| china | hainan | uncultured anaerobic ammonium-oxidizing bacterium | species | 316 | 0 |
| china | hubei | uncultured anaerobic ammonium-oxidizing bacterium | species | 1 | 0 |
| china | hunan | uncultured anaerobic ammonium-oxidizing bacterium | species | 2 | 0 |
| china | jiangxi | uncultured anaerobic ammonium-oxidizing bacterium | species | 16 | 0 |
| china | shaanxi | uncultured anaerobic ammonium-oxidizing bacterium | species | 19 | 0 |
| china | shandong | uncultured anaerobic ammonium-oxidizing bacterium | species | 77 | 0 |
| china | xinjiang | uncultured anaerobic ammonium-oxidizing bacterium | species | 602 | 0 |
| china | yunnan | uncultured anaerobic ammonium-oxidizing bacterium | species | 153 | 0 |
| china | zhejiang | uncultured anaerobic ammonium-oxidizing bacterium | species | 51 | 0 |
| france | | uncultured anaerobic ammonium-oxidizing bacterium | species | 3 | 0 |
| hong kong | | uncultured anaerobic ammonium-oxidizing bacterium | species | 89 | 0 |
| india | | uncultured anaerobic ammonium-oxidizing bacterium | species | 56 | 0 |
| italy | tuscany region | uncultured anaerobic ammonium-oxidizing bacterium | species | 2 | 0 |
| japan | chiba prefecture | uncultured anaerobic ammonium-oxidizing bacterium | species | 10 | 0 |
| japan | osaka prefecture | uncultured anaerobic ammonium-oxidizing bacterium | species | 78 | 0 |
| mexico | | uncultured anaerobic ammonium-oxidizing bacterium | species | 1 | 0 |
| switzerland | | uncultured anaerobic ammonium-oxidizing bacterium | species | 5 | 0 |
| switzerland | neuchatel region | uncultured anaerobic ammonium-oxidizing bacterium | species | 23 | 0 |
| united states | | uncultured anaerobic ammonium-oxidizing bacterium | species | 8 | 0 |
| united states | florida | uncultured anaerobic ammonium-oxidizing bacterium | species | 12 | 0 |
| united states | north carolina | uncultured anaerobic ammonium-oxidizing bacterium | species | 54 | 0 |