| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Achromobacter spiritinus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Achromobacter veterisilvae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Achromobacter xylosoxidans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Achromobacter xylosoxidans subsp. denitrificans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Achromobacter xylosoxidans subsp. xylosoxidans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Acidaminobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminobacter hydrogenoformans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminobacteraceae | ||||
| Acidaminobacterium | Unknown | Valid (ICNP) | Excubia bot 3 months ago | |
| Acidaminobacterium chupaoyuni T | Unknown | Valid (ICNP) | Excubia bot 3 months ago | |
| Acidaminococcaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminococcales | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminococcus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminococcus fermentans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidaminococcus hominis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Acidaminococcus intestini | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidianus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidianus ambivalens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidianus brierleyi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidianus infernus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidianus sulfidivorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidibacter ferrireducens T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidibrevibacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidibrevibacterium fodinaquatile T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidicaldus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidicaldus organivorans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidicaldus organivorus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Acidicapsa | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Acidicapsa acidiphila | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |