| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Arthrobacter globiforme | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter gangotriensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter frigidicola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter flavescens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter equi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter endophyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter enclensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter echigonensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter duodecadis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter defluvii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter cumminsii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter cryotolerans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter creatinolyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter chlorophenolicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter cheniae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter cavernae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter bergerei | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter aurescens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter atrocyaneus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter arilaitensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter ardleyensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter antioxidans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter antarcticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter albus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arthrobacter albidus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arsukibacterium tuosuense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arsukibacterium perlucidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arsukibacterium indicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arsenophonus apicola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Arsenicicoccus cauae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |