| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus terrae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus taxi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus taiwanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus subtilis subsp. subtilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus subtilis subsp. stercoris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus subtilis subsp. spizizenii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus subtilis subsp. inaquosorum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus subterraneus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus suaedaesalsae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus suaedae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus stearothermophilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus stamsii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus sporothermodurans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus sphaericus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus solisilvae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus solisalsi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus soli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus solani | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus siralis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus simplex | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus silvestris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus shackletonii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus shacheensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus selenitireducens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus selenatarsenatis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus sediminis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus schlegelii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus salsus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus salis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Bacillus saliphilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |