| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sneathiella chungangensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathiella chinensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathiella aquimaris | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathiella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathia vaginalis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathia sanguinegens T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Sneathia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Smithella propionica T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Smithella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Smithellaceae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophales | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Smaragdicoccus niigatensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Smaragdicoccus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia piriformis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia isoflavoniconvertens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia heliotrinireducens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia faecicanis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia exigua T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia equolifaciens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Slackia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermania piniformis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermania | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella stibiiresistens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella rosea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella pratensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella parooensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella mucosa | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Skermanella aerolata | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Siphonobacter curvatus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |