| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Roseomonas bella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas arcticisoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas arctica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aquatica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas alkaliterrae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas algicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aestuarii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aerophila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aerofrigidensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aerilata | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas aeriglobus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseomonas | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseococcus thiosulfatophilus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseococcus suduntuyensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseococcus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseobacter ponti | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseobacter litoralis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseobacter denitrificans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseobacter cerasinus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rosenbergiella nectarea T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rosenbergiella epipactidis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rosenbergiella collisarenosi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rosenbergiella australiborealis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rosenbergiella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseivivax sediminis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseivivax marinus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseivivax lentus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseivivax jejudonensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Roseivivax isoporae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |