| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Amycolatopsis orientalis subsp. lurida | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis keratiniphila subsp. nogabecina | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis japonicum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis halophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis fastidiosa | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis albidoflavus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolatopsis albidoflava | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolata saturnea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolata hydrocarbonoxydans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolata autotrophica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amycolata alni | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ampullariella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ampullariella regularis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ampullariella lobata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ampullariella digitata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ampullariella campanulata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amphiplicatus | ||||
| Amphibacillus fermentum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amorphosporangium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amorphosporangium globisporum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amorphosporangium auranticolor T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amoebobacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amoebobacter roseus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amoebobacter purpureus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amoebobacter pendens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Amoebobacter pedioformis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aminocella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aminocella lysinolytica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aminithiophilus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |