| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Acidobacteriales | ||||
| Acidicaldus organivorans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidicaldus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidibrevibacterium fodinaquatile T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidibrevibacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidibacter ferrireducens T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidianus sulfidivorans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidianus infernus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidianus brierleyi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidianus ambivalens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Thermoprotei | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidianus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfolobaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfolobales | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Conexivisphaeria | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminococcus intestini | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminococcus fermentans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminococcus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminococcaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminococcales | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminobacter hydrogenoformans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Acidaminobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter xylosoxidans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter veterisilvae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter spanius | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter ruhlandii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter pulmonis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter piechaudii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Achromobacter pestifer | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |