| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| 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 | |
| Aciditerrimonas ferrireducens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillaceae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillales | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus albertensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus albertis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidithiobacillus caldus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus concretivorus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidithiobacillus ferrianus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferridurans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferriphilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferrivorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferrooxidans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus sulfuriphilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus thiooxidans T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithrix | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidithrix ferrooxidans | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Acidobacteriaceae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacteriales | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacteriia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacteriota | ||||
| Acidobacterium | ||||
| Acidobacterium ailaaui | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |