| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Arboricoccus pini T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arboricoccus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geminicoccaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachnia rubra | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachnia propionica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachnia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachidicoccus soli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachidicoccus rhizosphaerae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachidicoccus ginsenosidivorans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arachidicoccus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquitalea pelogenes | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquitalea magnusonii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquitalea denitrificans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquitalea aquatilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquitalea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Actinomadura bangladeshensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahniella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquisediminimonas sediminicola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Isosphaerales | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahniella affigens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Isosphaeraceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquisphaera | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Actinomadura barringtoniae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahrensiaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquisphaera giovannonii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahrensia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Acidimicrobium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Actinomadura catellatispora | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahrensia kielensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ahrensia marina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |