| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Microbacterium thalli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Microbacterium plantarum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Microbacterium nymphoidis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Microbacterium neungamense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Microbacterium memoriense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Microbacterium festucae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylococcus mesophilus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylobacterium planium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylobacterium planeticum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylacidiphilum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylacidiphilum kamchatkense T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methylacidiphilum caldifontis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanovulcanius | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanovulcanius yangii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanolobus sediminis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanolobus mangrovi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesoterricola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesoterricola silvestris T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesoterricola sediminis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesorhizobium liriopis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesopusillimonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mesopusillimonas faecipullorum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Mediterraneibacter gnavus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marnyiella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marnyiella aurantia T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marixanthotalea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marixanthotalea marina T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marivirga aurantiaca | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Maritimibacter fusiformis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marinomonas transparens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |