| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardioides faecalis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Nocardia pulmonis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Nitrosophilus kaiyonis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Nitrosomonas supralitoralis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Nicoliella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Nicoliella spurrieriana T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Neomelitea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Neomelitea salexigens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Neobacillus terrae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronomonas marina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronomonas aquatica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronogracilivirga | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronogracilivirga saccharolytica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronocalculus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natronocalculus amylovorans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natranaeroarchaeum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natranaeroarchaeum sulfidigenes T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natranaeroarchaeum aerophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Natranaeroarchaeum aerophilum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Myxococcus qinghaiensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Myxococcus guangdongensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Myxococcus dinghuensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mumia quercus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Moraxella nasicaprae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Moorella sulfitireducens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Moorella caeni | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvirga terrae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Micromonospora solifontis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Micromonas micra T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Micrococcus porci | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |