| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Senegalemassilia | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Senegalemassilia anaerobia | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Seliberia | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Seliberia stellata | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Selenomonas timonae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Selenomonas acidaminovorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sejongia | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sejongia marina | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella | ||||
| Segatella salivae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella paludivivens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella oulorum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella oris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella maculosa | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella hominis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella copri T | ||||
| Segatella cerevisiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella buccae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella bryantii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella baroniae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Segatella albensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sediminibacillus dalangtanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Secundilactobacillus angelensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Schumannella soli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Schlegelella koreensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Schineria | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Schineria larvae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Scandinavium tedordense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Scandinavium manionii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Scandinavium hiltneri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |