| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Simonsiella steedae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Simonsiella crassa | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Silvibacterium dinghuense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Silicibacter | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Silicibacter pomeroyi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Silicibacter lacuscaerulensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sideroxyarcus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sideroxyarcus emersonii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Siccirubricoccus phaeus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Siansivirga jejunensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella xiaoxiensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella shacheensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella plakortidis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella patagoniensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella oshimensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella miscanthi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella lonarensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella lehensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella hunanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella gibsonii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shouchella clausii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shinella lacus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shimia abyssi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shewanella yunxiaonensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shewanella spongiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shewanella sedimentimangrovi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shewanella oncorhynchi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Shewanella nanhaiensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |