| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Ornithinicoccus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacter aureus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus scapharcae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus salinisoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus heyuanensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus halotolerans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus halophilus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus gellani | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus contaminans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus caprae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus californiensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus bavariensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornithinibacillus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornatilinea apprima T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ornatilinea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orientia tsutsugamushi T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orientia | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oricola thermophila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oricola cellulosilytica T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oricola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oribacterium sinus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oribacterium parvum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oribacterium asaccharolyticum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Oribacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orenia sivashensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orenia salinaria | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orenia marismortui T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orenia chitinitropha | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Orenia | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |