| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bombiscardovia nodaiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bombiscardovia apis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Blastococcus brunescens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bisbaumannia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bisbaumannia pacifica T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia zhangzhouensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia tianxiuensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia sulfidoxydans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia saliphila | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia pellis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia montanilacus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia lactosivorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia kenyensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia gudaonensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia ethanolica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia endophytica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia diversa | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia desiderata T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia campisalis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia bachuensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia azerbaijanica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia antri | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Billgrantia aerodenitrificans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bifidobacterium apis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bdellovibrio svalbardensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Bacillus basilensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Azospirillum isscasi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Arcicella lustrica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Arcicella gelida | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |