| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Aquibacillus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquella oligotrophica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaticitalea lipolytica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaticitalea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum soli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum serpens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum putridiconchylium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum polymorphum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum arcticum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquaspirillum | ||||
| Aquamicrobium terrae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium soli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium segne | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium lusatiense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium defluvii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium ahrensii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium aestuarii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium aerolatum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquamicrobium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium tepidiphilum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium pictum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium parvum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium olei | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium limnoticum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium lacunae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium fontiphilum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium commune T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium citratiphilum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Aquabacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |