| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sinirhodobacter huangdaonensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinirhodobacter hankyongi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinirhodobacter ferrireducens T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinirhodobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinimarinibacterium flocculans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinimarinibacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinibacillus soli T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sinibacillus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Singulisphaera rosea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Singulisphaera acidiphila T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Singulisphaera | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simulacricoccus ruber T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simulacricoccus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira suum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira soli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira psychrophila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira piscis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira metamorpha T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira limi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira lacusdiani | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simplicispira | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simonsiella muelleri T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simonsiella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simkania negevensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Simkania | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Siminovitchia thermophila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Siminovitchia terrae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Siminovitchia sediminis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Siminovitchia fortis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Siminovitchia fordii T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |