| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacteroides ureolyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides termitidis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides tectus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides tectum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides suis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides succinogenes | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides splanchnicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides sartorii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides salyersae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides salivosus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides salanitronis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides ruminicola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides ruminicola subsp. ruminicola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides ruminicola subsp. brevis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides putredinis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides propionicigenes | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides praeacutus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides polypragmatus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides pneumosintes | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides plebeius | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides pentosaceus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides paurosaccharolyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides parvus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides oulorum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides oris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides oralis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides ochraceus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides nodosus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides muris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bacteroides multiacidus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |