| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Ruminiclostridium cellobioparum subsp. termitidis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruminiclostridium cellobioparum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruminiclostridium cellobioparum subsp. cellobioparum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruminiclostridium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugosimonospora africana | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugosimonospora acidiphila T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugosimonospora | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugosibacter aromaticivorans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugosibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugamonas rubra T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugamonas rivuli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugamonas aquatica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rugamonas | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruficoccus amylovorans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruficoccus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter tibetensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter sediminis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter ruber | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter roseus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter quisquiliarum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter latericius | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter immobilis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter hautae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter glacialis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rufibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruegeria sediminis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruegeria profundi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruegeria pomeroyi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruegeria meteori | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ruegeria meonggei | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |