| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Aestuariibaculum sediminum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aestuariibacter litoralis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aestuariibacter aggregatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aerophototrophica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas trota | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas sharmana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas punctata subsp. caviae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas hydrophila subsp. proteolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas hydrophila subsp. dhakensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas hydrophila subsp. anaerogenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas finlandiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas culicicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromonas aquariorum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aeromicrobium stalagmiti | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aerococcus sanguicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aequorivita iocasae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aegyptianella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aegyptianella pullorum T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aegicerativicinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aegicerativicinus sediminis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aedoeadaptatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aedoeadaptatus acetigenes T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Advenella mandrilli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adlercreutzia rubneri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adlercreutzia hattorii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adlercreutzia equolifaciens subsp. celata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adhaeribacter terrigena | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adhaeretor | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Adhaeretor mobilis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Acuticoccus mangrovi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |