| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Olleya | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter terrae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter soli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter sitiensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter oleidegradans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter jilunii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter ginsenosidimutans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter ginsengisoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter domesticus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter composti | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Olivibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligosphaera ethanolica T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligosphaera | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligosphaeraceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligosphaerales | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligosphaeria | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligoflexus tunisiensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligoflexus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligoflexaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligoflexales | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligella urethralis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligella ureolytica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oligella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleispira lenta | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleispira antarctica T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleispira | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleisolibacter albus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleisolibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleiphilus messinensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oleiphilus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |