| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus cycloheptanicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus curdlanolyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cucumis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus crescens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus crassostreae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus composti | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cohnii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus coagulans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus clausii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus clarkii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus circulans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus ciccensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cibi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus choshinensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus chondroitinus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus chitinolyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus chagannorensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus centrosporus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cellulosilyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cecembensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus cavernae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus catenulatus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus caseinilyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus campisalis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus camelliae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus caeni | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus butanolivorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus brevis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus borstelensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus boroniphilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |