| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Oceanobacillus salinisoli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanobacillus alkalisoli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanitalea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanitalea nanhaiensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceaniglobus trochenteri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceaniferula | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceaniferula marina T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanidesulfovibrio | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanidesulfovibrio marinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanidesulfovibrio indonesiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanidesulfovibrio gabonensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola pacificus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola nitratireducens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola nanhaiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola marinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola litoreus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola flagellatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola batsensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanicola antarcticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanibulbus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Oceanibulbus indolifex T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Occultella kanbiaonis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Occultella gossypii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Nucisporomicrobium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Nucisporomicrobium flavum T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Novosphingobium tardaugens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Novosphingobium suterraneae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Novosphingobium subterraneae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Novosphingobium subarcticum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Novosphingobium stygiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |