| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Oxalobacter aliiformigenes | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Otoolea | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Otoolea muris | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Oryzibacter | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Oryzibacter oryziterrae | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Ornithinimicrobium sediminis | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Oikeobacillus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Oikeobacillus pervagus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Novosphingobium cyanobacteriorum | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardiopsis suaedae | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardiopsis endophytica | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides scoriae | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides potassii | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides pocheonensis | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides pinisoli | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides pini | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides oceani | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides marmoriterrae | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides marmorisolisilvae | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides marmoriginsengisoli | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides marmoribigeumensis | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides marmoraquaticus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides mangrovicus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides korecus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides jiangsuensis | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides cremeus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides caldifontis | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides aurantiacus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides aequoreus | Unknown | Valid (ICNP) | Excubia bot 8 months ago | |
| Nocardioides abyssi | Unknown | Valid (ICNP) | Excubia bot 8 months ago |