| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Oceaniradius | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanipulchritudo coccoides | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanipulchritudo | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanimonas smirnovii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanimonas marisflavi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanimonas doudoroffii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanimonas baumannii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanimonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanihabitans sediminis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanihabitans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceaniglobus indicus T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceaniglobus ichthyenteri | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceaniglobus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicola granulosus T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicella actignis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicaulis stylophorae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicaulis alexandrii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanicaulis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibium sediminis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibaculum pacificum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibaculum nanhaiense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibaculum indicum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibaculum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibacterium hippocampi T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Oceanibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Occultella glacieicola T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Occultella aeris | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |