| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Massilia haematophila | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia guangdongensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia glaciei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia ginsengisoli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia frigida | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia flava | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia eurypsychrophila | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia dura | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia consociata | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia chloroacetimidivorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia buxea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia brevitalea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia aurea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia atriviolacea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia arvi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia armeniaca | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia arenosa | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia arenae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia aquatica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia alkalitolerans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia albidiflava | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia agri | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia agilis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia aerilata | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Massilia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marvinbryantia formatexigens T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Marvinbryantia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Martelella suaedae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Martelella radicis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Martelella mediterranea T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |