| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sphaerimonospora | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Spelaeicoccus albus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Spelaeicoccus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Specibacter cremeus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Specibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Spartinivicinus ruber T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Spartinivicinus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium reichenbachii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium orientale | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium kenyense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium dawidii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium cellulosum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium bulgaricum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium arenae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium ambruticinum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sorangium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Soortia roseihalophila T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Soortia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Soortiaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Soonwooa purpurea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Soonwooa | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solobacterium moorei T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solobacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solitalea longa | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solitalea koreensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solitalea canadensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solitalea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solirubrobacter taibaiensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solirubrobacter soli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Solirubrobacter phytolaccae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |