| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Niveitalea solisilvae T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveitalea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveispirillum lacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveispirillum irakense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveispirillum fermenti T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveispirillum cyanobacteriorum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveispirillum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveibacterium umoris T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Niveibacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrospirillum iridis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrospirillum amazonense T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrospirillum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosospira tenuis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosospira multiformis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosospira lacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosospira | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrososphaera viennensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrososphaera | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrososphaeraceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrososphaerales | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus ureiphilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus piranensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus oxyclinae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus maritimus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus cobalaminigenes | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus adriaticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosopumilus | ||||
| Nitrosomonas ureae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosomonas stercoris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nitrosomonas oligotropha | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |