| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Acidiphilium facilis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidiphilium iwatense | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiphilium multivorum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiphilium organovorum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiphilium rubrum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipila | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipila dinghuensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipila rosea T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiplasma | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiplasma aeolicum T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidiplasma cupricumulans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium acidipropionici | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium damnosum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium jensenii T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium microaerophilum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium olivae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium thoenii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium virtanenii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisarcina | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidisarcina polymorpha | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidisoma | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisoma cellulosilytica | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidisoma cellulosilyticum | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidisoma sibiricum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisoma silvae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidisoma tundrae T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisphaera | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisphaera rubrifaciens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aciditerrimonas | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |