| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Salinimicrobium profundisediminis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Salella | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Salella cibi T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseovarius autotrophicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseomonas fluvialis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Roseobacter insulae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella nectarea subsp. nectarea | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella nectarea subsp. apis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella metrosideri | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella gaditana | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella epipactidis subsp. japonicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella epipactidis subsp. japonica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella epipactidis subsp. epipactidis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rosenbergiella epipactidis subsp. californiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Robiginitalea marina | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rivihabitans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rivihabitans pingtungensis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizohabitans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizohabitans arisaemae T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhizobium acaciae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhabdonatronobacter | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rhabdonatronobacter sediminivivens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Rathayibacter rubneri | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Ramlibacter paludis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Qipengyuania spongiae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Pyxidicoccus xibeiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Psychroserpens magnus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Psychroserpens luteus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Psychroserpens luteolus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Psychroserpens algicola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |