| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus naganoensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus murimartini | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus muralis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus mucilaginosus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus miscanthi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus migulanus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus methylotrophicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus mesonae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus megaterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus massiliosenegalensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus massiliogorillae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus massiliogabonensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus massiliigorillae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus massiliensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus marmarensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus maritimus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus marismortui | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus marisflavi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus marinus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus mannanilyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus mangrovi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus malikii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus malacitensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus macyae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus macquariensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus macerans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus macauensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus lycopersici | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus luteus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus luteolus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |