| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Modestobacter deserti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mobiluncus curtisii subsp. holmesii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mobiluncus curtisii subsp. curtisii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mitsuokella multiacidus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mitsuokella dentalis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miniphocibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miniphocibacter massiliensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miniphocaeibacter | ||||
| Miniphocaeibacter massiliensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miniphocaeibacter halophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miltoncostaea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miltoncostaea oceani | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Miltoncostaea marina T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvirga roseola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvirga puerhi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvirga lenta | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvirga brassicacearum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvenator | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microvenator marinus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora viridis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora tyrrhenii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora turkmeniaca | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora spiralis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora salmonea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora rubra | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora roseoviolacea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora roseola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora recticatena | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora pusilla | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Microtetraspora polychroma | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |