| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nitrincola schmidtii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrincola lacisaponensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrincola iocasae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrincola alkalisediminis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrincola alkalilacustris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrincola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitriliruptor alkaliphilus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitriliruptor | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitriliruptoraceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitriliruptorales | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratiruptor tergarcus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratiruptor | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratiruptor labii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor pacificus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor lacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor kimnyeongensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor indicus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor basaltis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor aquimarinus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor aquibiodomus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor alexandrii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor aestuarii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratireductor | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratifractor salsuginis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratifractor | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratidesulfovibrio vulgaris T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitratidesulfovibrio | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nisaea nitritireducens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nisaea denitrificans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nisaea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |