| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Acaricomes | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acaricomes phytoseiuli T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acaryochloridaceae | Unknown | Valid (ICN) | Excubia bot 4 months ago | |
| Acaryochloridales | Unknown | Valid (ICN) | Excubia bot 4 months ago | |
| Acaryochloris | Unknown | Valid (ICN) | Excubia bot 4 months ago | |
| Acaryochloris marina T | Unknown | Valid (ICN) | Excubia bot 4 months ago | |
| Acerihabitans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acerihabitans arboris T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetanaerobacterium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetanaerobacterium elongatum T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetatifactor | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetatifactor aquisgranensis | ||||
| Acetatifactor muris T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aceticella | Unknown | Valid (ICNP) | Excubia bot 4 months ago | |
| Aceticella autotrophica | Unknown | Valid (ICNP) | Excubia bot 4 months ago | |
| Acetilactobacillus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetilactobacillus jinshanensis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetitomaculum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetitomaculum ruminis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio aldrichii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio alkalicellulosi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio cellulolyticus T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio cellulosolvens | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acetivibrio clariflavus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio ethanolgignens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio mesophilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio multivorans | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acetivibrio saccincola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acetivibrio straminisolvens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |