| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Simplicispira | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simonsiella muelleri T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simonsiella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simkania negevensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simkania | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia thermophila | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia terrae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia sediminis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia fortis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia fordii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia farraginis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia composti | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia acidinfaciens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siminovitchia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia litorea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia curdlanivorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia areninigrae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia agarivorans T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia aestuariiviva | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Simiduia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvimonas terrae T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvimonas iriomotensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvimonas amylolytica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvimonas | ||||
| Silvibacterium bohemicum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvanigrella paludirubra | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvanigrella aquatica T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silvanigrella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Silicimonas algicola T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |