| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Stagnihabitans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Stagnihabitans tardus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporotalea | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporotalea propionica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporosarcina macmurdoensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporosarcina jiandibaonis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporosarcina halophila | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporosarcina antarctica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporolactobacillus lactosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sporohalobacter marismortui | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spongiibacterium pacificum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spongiibacterium flavum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spongiibacter thalassae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spongiibacter pelagi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spongiibacter borealis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spodiobacter | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spodiobacter cordis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirosoma taeanense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirosoma rhododendri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirosoma metallicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirosoma daeguensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta zuelzerae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta stenostreptum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta stenostrepta | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta sphaeroplastigenens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta smaragdinae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta sinaica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta plicatilis T | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta perfilievii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta odontotermitis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |