| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Natronocalculus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Natronocalculus amylovorans | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Natranaeroarchaeum | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Natranaeroarchaeum sulfidigenes | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Natranaeroarchaeum aerophilus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Natranaeroarchaeum aerophilum | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Myxococcus qinghaiensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Myxococcus guangdongensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Myxococcus dinghuensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Mumia quercus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Moraxella nasicaprae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Moorella sulfitireducens | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Moorella caeni | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microvirga terrae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Micromonospora solifontis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Micromonas micra | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Micrococcus porci | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbulbifer zhoushanensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbulbifer sediminum | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbulbifer okhotskensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbulbifer guangxiensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbacterium tenebrionis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbacterium kunmingensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbacterium kunmingense | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbacterium ihumii | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Microbacterium allomyrinae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Methylomonas rapida | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Methylocystis iwaonis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Metabacillus arenae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Mesorhizobium onobrychidis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago |