| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Alcaligenes nematophilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Agromyces larvae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Agrobacterium divergens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Agrobacterium cucumeris | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aestuariivivens sediminis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aestuariivivens sediminicola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aestuariivivens marinum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aeromicrobium wangtongii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aeromicrobium senzhongii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aeromicrobium duanguangcaii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aerococcus tenax | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aerococcus mictus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aerococcus loyolae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Aerococcus agrisoli | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinospica acidithermotolerans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinoplanes sandaracinus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinoplanes pyxinae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinoplanes oblitus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinoallomurus soli | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinoallomurus rhizosphaericola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Actinacidiphila cocklensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acinetobacter nematophilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acinetobacter higginsii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acinetobacter faecalis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acinetobacter entericus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acidovorax benzenivorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acididesulfobacillus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acididesulfobacillus acetoxydans T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Achromobacter aestuarii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Acholeplasma oculusi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |