| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus tianshenii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus thuringiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus thermotolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus thermocloacae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus tequilensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus tepidiphilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus tamaricis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus taeanensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus swezeyi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus subtilis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus stercoris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus spongiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus spizizenii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus sonorensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus songklensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus solimangrovi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus smithii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus siamensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus shivajii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus seohaeanensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus salitolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus salinus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus salacetis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus safensis subsp. safensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus safensis subsp. osmophilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus safensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus pumilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus pseudomycoides | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus proteolyticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bacillus piscicola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |