| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Aureibaculum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aureibaculum algae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantimonas ureilytica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantimonas manganoxidans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantimonas frigidaquae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantimonas altamirensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter zhengii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter xanthus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter spongiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter sediminis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter odishensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter marinus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter luteus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter atlanticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter arachoides | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aurantiacibacter aquimixticola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Atopostipes suicloacale | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Atopobium vaginae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Atopobium rimae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Atopobium parvulum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asticcacaulis biprosthecum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asticcacaulis biprosthecius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aspromonas | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Aspromonas composti | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asinibacterium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asinibacterium lactis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asaia lannaensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asaia astilbes | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asaccharobacter | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Asaccharobacter celatus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |