| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus reuszeri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus qingshengii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus qingdaonensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pycnus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus purgationiresistens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus purgationiresistans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pulvifaciens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus psychrotolerans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus psychrosaccharolyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus psychrophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus psychrodurans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pseudofirmus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pseudalcalophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pseudalcaliphilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus praedii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus populi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus popilliae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus polymyxa | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus polymachus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus polygoni | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pocheonensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus plakortidis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus piezotolerans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus persicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus persepolensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus peoriae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus patagoniensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pasteurii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus pasinlerensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacillus paraflexus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |