| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Acidimicrobiales | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidimicrobiia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter oryzifermentans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acanthopleuribacterales | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Abditibacterium utsteinense T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa ligni | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa ferrireducens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter orleanensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa dinghuensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa borealis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter orientalis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Holophagae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa acidisoli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa acidiphila | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter okinawensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicapsa | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter oeni | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Abditibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Peptococcaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Acidicaldus organivorans T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter nitrogenifigens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidicaldus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidibrevibacterium fodinaquatile T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter musti | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Abyssivirga alkaniphila T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidibrevibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidibacter ferrireducens T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acetobacter malorum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidibacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Acidianus sulfidivorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |