| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Markusia | ||||
| Markusia hominis T | ||||
| Marivivens marinus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Marinivivus | ||||
| Marinivivus vitaminiproducens T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Macrococcus equi | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Macrococcus animalis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Lwoffella | ||||
| Lwoffella lincolnii T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Listeria tempestatis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Listeria rocourtiae subsp. rocourtiae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Listeria rocourtiae subsp. hofi | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Limnobacter profundi | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Limnobacter olei | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Levilactobacillus muriae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leuconostoc aquikimchii | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leptotrichia rugosa | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leptotrichia mesophila | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leptotrichia alba | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Lentisalinibacter | ||||
| Lentisalinibacter sediminis T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Lentisalinibacter salinarum | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Lentisalinibacter orientalis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leifsonia tongyongensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leifsonia stereocauli | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leifsonella | ||||
| Leifsonella bigeumensis T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Legionella sheltonii | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Leeuwenhoekiella obamensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Lactovum odontotermitis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago |