| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Ancalochloris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Ancalochloris perfilievii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anatilimnocola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anatilimnocola aggregata | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaplasma phagocytophila | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaplasma ovis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaplasma marginale | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaplasma centrale | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaplasma caudatum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerovibrio lipolytica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerovibrio glycerini | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerovibrio burkinabensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerostipes hominis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerostipes faecis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerostipes faecalis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerostipes amylophilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerosacchariphilus hominis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerorhabdus furcosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeroplasma intermedium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeropeptidivorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeropeptidivorans aminofermentans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromyxobacter paludicola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromyxobacter oryzae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromyxobacter diazotrophicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromonas | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromonas gelatinilytica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromonas frigoriresistens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromicropila | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromicropila populeti | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeromicropila herbilytica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |