| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Methanooceanicella | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Methanooceanicella nereidis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Metaclostridioides | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Metaclostridioides mangenotii T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Mesonia profundi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Massilia luteola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Massilia litorea | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Massilia cellulosilytica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinomonas rhodophyticola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinomonas phaeophyticola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinobacter salinisoli | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinobacter qingdaonensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinobacter azerbaijanicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinimicrococcus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Marinimicrococcus flavescens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides goetzii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticus subsp. hominis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticus subsp. caseolyticus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticum T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticum subsp. hominis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides caseolyticum subsp. caseolyticum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides canis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides bohemicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Macrococcoides bohemicum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Luteimonas rhizosphaericola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Luteimonas kalidii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Luteimonas endophytica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Luteibacter mycovicinus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |