| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Reinekea thalattae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reinekea marinisedimentorum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reinekea marina | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reinekea blandensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reinekea aestuarii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reinekea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reichenbachiella versicolor | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reichenbachiella faecimaris | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reichenbachiella agariperforans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Reichenbachiella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rehaibacterium terrae T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rehaibacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rectinema subterraneum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rectinema cohabitans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rectinema | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Treponemataceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ravibacter arvi T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ravibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter tritici | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter toxicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter rathayi T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter oskolensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter iranicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter festucae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter caricis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter agropyri | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rathayibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rarobacter incanus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rarobacter faecitabidus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Rarobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |