| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Anaerocella delicata T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerocella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobutyricum soehngenii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobutyricum hallii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobutyricum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobranca zavarzinii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobranca horikoshii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobranca gottschalkii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobranca californiensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobranca | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobium acetethylicum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobiospirillum thomasii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobiospirillum succiniciproducens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobiospirillum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Succinivibrionaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacterium chartisolvens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus isosaccharinicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus arseniciselenatis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus alkaliphilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus alkalilacustris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus alkalidiazotrophicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaerobacillus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaeroarcus burkinensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Anaeroarcus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Amylolactobacillus amylotrophicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Amylolactobacillus amylophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Amylolactobacillus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Amylibacter ulvae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |