| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Acidocella facilis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidocella aquatica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidocella aminolytica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidocella aluminiidurans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidocella | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacterium capsulatum T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacterium ailaaui | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidobacterium | ||||
| Acidithiobacillus thiooxidans T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus sulfuriphilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferrooxidans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferrivorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferriphilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferridurans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus ferrianus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus caldus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus albertensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidithiobacillus | 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 | |
| Aciditerrimonas ferrireducens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aciditerrimonas | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisphaera rubrifaciens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisphaera | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisoma tundrae T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisoma sibiricum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidisoma | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium virtanenii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidipropionibacterium thoenii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |