| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacteroides ruminicola subsp. ruminicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides ruminicola subsp. brevis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides putredinis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides propionicigenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides praeacutus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides polypragmatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides pneumosintes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides plebeius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides pentosaceus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides paurosaccharolyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides parvus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides oulorum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides oris | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides oralis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides ochraceus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides nodosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides muris | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides multiacidus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides microfusus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides merdae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides melaninogenicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides melaninogenicus subsp. melaninogenicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides melaninogenicus subsp. macacae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides melaninogenicus subsp. intermedius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides massiliensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides macacae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides loescheii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides levii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides intermedius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacteroides hypermegas | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |