| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Ruminococcaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporichthya polymorpha T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporichthya brevicatena | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporichthya | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporanaerobacter acetigenes T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporanaerobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporacetigenium mesophilum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sporacetigenium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiivirga citrea T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiivirga | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiispira norvegica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiispira | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiimonas flava T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiimonas | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiimicrobium salis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiimicrobium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiiferula fulva T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiiferula | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacterium fuscum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacter tropicus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacter taiwanensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacter marinus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiactinospora rosea T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiactinospora gelatinilytica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spongiactinospora | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spirosoma utsteinense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spirosoma terrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Spirosoma telluris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |