| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Arenibacter troitsensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter palladensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter nanhaiticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter latericius T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter hampyeongensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter echinorum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter certesii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter catalasegens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter arenosicollis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter aquaticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter antarcticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter amylolyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacillus arenosus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arenibacillus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ardenticatena maritima T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ardenticatena | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ardenticatenaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ardenticatenales | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Ardenticatenia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticiflavibacter luteus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticiflavibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacterium luteifluviistationis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacter tournemirensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacter svalbardensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacter pallidicorallinus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacter eurypsychrophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcticibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Arcobacter venerupis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |