| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus chondroitinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus chitinolyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus chagannorensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus centrosporus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus cellulosilyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus cecembensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus cavernae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus catenulatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus caseinilyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus campisalis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus camelliae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus caeni | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus butanolivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus brevis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus borstelensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus boroniphilus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus bogoriensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus beveridgei | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus berkeleyi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus beringensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus beijingensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus bataviensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus barbaricus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus azotoformans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus azotofixans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus axarquiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus aurantiacus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus asahii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus aryabhattai | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus arvi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |