| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bifidobacterium colobi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bifidobacterium choladohabitans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bifidobacterium apousia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bifidobacterium amazonense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bieblia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bieblia vinaykumarii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bieblia veldkampii T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bhargavaea massiliensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Berryella wangjianweii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea vulnifica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea splendida | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea pelagia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea parahaemolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea nigripulchritudo | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea nigrapulchrituda | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea nigrapulchritoda | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea nereis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea nereida | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea natriegens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea harveyi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea gazogenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea campbellii T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beneckea alginolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Beijerinckia fluminensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bdellovibrio stolpii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bdellovibrio starrii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bdellovibrio reynosensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bdellovibrio exovorus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bartonella vinsonii subsp. arupensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |