| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Alicyclobacillus consociatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter trophiarum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter thereius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter skirrowii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter lanthieri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter faecis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter cryaerophilus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter cibarius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliarcobacter butzleri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliamphritea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliamphritea spongicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliamphritea hakodatensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aliamphritea ceti T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algoriphagus machipongonensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algoriphagus algorifonticola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algiphilus acroporae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algibacter onchidii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algibacter luteus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algibacter alginolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Algibacter aestuarii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcalilimnicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcalilimnicola halodurans T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes xylosoxidans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes xylosoxidans subsp. xylosoxidans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes xylosoxidans subsp. denitrificans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes venustus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes ruhlandii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes piechaudii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes paradoxus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Alcaligenes pacifus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |