| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Ancylobacter gelatini | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ancalochloris | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ancalochloris perfilievii T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anatilimnocola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anatilimnocola aggregata T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaplasma phagocytophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaplasma ovis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaplasma marginale T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaplasma centrale | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaplasma caudatum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerovibrio lipolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerovibrio glycerini | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerovibrio burkinabensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerostipes hominis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerostipes faecis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerostipes faecalis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerostipes amylophilus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerosacchariphilus hominis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaerorhabdus furcosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeroplasma intermedium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeropeptidivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeropeptidivorans aminofermentans T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromyxobacter paludicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromyxobacter oryzae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromyxobacter diazotrophicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromonas | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromonas gelatinilytica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromonas frigoriresistens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromicropila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Anaeromicropila populeti | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |