| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Syntrophaceticus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Synergistes jonesii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Synergistes | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella macrocystis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella dynata T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium turbinis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium thermophilum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium terraclitae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium ostreiconchae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacteriaceae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swionibacillus sediminis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swionibacillus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swingsia samuiensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swingsia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swaminathania salitolerans T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Swaminathania | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Suttonella ornithocola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Suttonella indologenes T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Suttonella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutterella wadsworthensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutterella stercoricanis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutterella parvirubra | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutterella megalosphaeroides | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutterella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutcliffiella zhanjiangensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutcliffiella horikoshii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutcliffiella halmapala | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sutcliffiella cohnii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |