| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bartonella apis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bartonella ancashensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bartonella alsatica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bartonella acomydis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bartonella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bartonellaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barrientosiimonas marina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barrientosiimonas humi T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barrientosiimonas endolithica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barrientosiimonas | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barnesiella viscericola T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barnesiella intestinihominis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barnesiella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Barnesiellaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneola vulgaris T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneola alkaliphila | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneicella halophila T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneicella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneicellaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneatrix alpica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneatrix | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balneatrichaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balnearium lithotrophicum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Balnearium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Desulfurobacteriaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bailinhaonella thermotolerans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bailinhaonella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Baia soyae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Baia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |