| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sphingomonas cremea | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphingomonas brevis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphingomonas anseongensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphingomonas alba | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphingomicrobium sediminis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphingobium nicotianae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sphaerisporangium perillae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Solitalea lacus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Solitalea agri | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Soehngenia longivitae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Silvania | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Silvania hatchlandensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Silvania confinis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Shimia ponticola | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Shewanella septentrionalis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Shewanella holmiensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sellimonas catena | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Scleromatobacter | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Scleromatobacter humisilvae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Sandaracinobacteroides sayramense | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Salinimicrobium profundisediminis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Salella | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Salella cibi | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Roseovarius autotrophicus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Roseomonas fluvialis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Roseobacter insulae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Rosenbergiella nectarea subsp. nectarea | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Rosenbergiella nectarea subsp. apis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Rosenbergiella metrosideri | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Rosenbergiella gaditana | Unknown | Valid (ICNP) | Excubia bot about 1 year ago |