| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Anaerofilum hominis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerocolumna sedimenticola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerococcus rubiinfantis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerococcus provenciensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerococcus provencensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerococcus jeddahensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerococcus degenerii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobaculum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobaculum thermoterrenum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobaculum mobile | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobaculum hydrogeniformans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobacter | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobacter polyendosporus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaerobacillus alkalilacustre | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Anaeroarcus burkinabensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolicicoccus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolicicoccus subflavus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis salitolerans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis rugosa | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis pithecelloba | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis orientalis subsp. orientalis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis orientalis subsp. lurida | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis keratiniphila subsp. nogabecina | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis japonicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis halophila | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis fastidiosa | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis albidoflavus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolatopsis albidoflava | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolata | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Amycolata saturnea | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |