| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Salinilacihabitans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Salinilacihabitans rarus T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Salinigranum marinum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Salinibacter grassmerensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Saccharomonospora iraqiensis subsp. iraqiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Runella salmonicolor | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Ruminococcus turbiniformis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rufibacter roseolus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rufibacter aurantiacus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Ruegeria spongiae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rubellimicrobium arenae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseovarius pelagicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseovarius dicentrarchi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseitranquillus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseitranquillus sediminis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseateles koreensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseateles amylovorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseateles albus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Robiginitalea aurantiaca | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Robiginitalea aestuariiviva | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Robbsia betulipollinis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhodopirellula europaea | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhodopirellula bahusiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhodococcus antarcticus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium setariae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium rhododendri | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium redzepovicii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium johnstonii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium croatiense | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium brockwellii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |