| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Megasphaera micronuciformis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera massiliensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera lornae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera indica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera hutchinsoni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera hexanoica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera elsdenii T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera cerevisiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megasphaera | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megamonas rupellensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megamonas hypermegale T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megamonas funiformis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megamonas | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megalodesulfovibrio paquesii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Megalodesulfovibrio | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter torques | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter massiliensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter lactaris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter glycyrrhizinilyticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter faecis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter butyricigenes | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mediterraneibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mechercharimyces mesophilus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mechercharimyces asporophorigenens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mechercharimyces | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Massiliimalia timonensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Massiliimalia massiliensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Massiliimalia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Massilia yuzhufengensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Massilia violaceinigra | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |