| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bellilinea caldifistulae T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bellilinea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella pelovolcani | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella marina | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella kenyensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella buryatensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella baltica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella aquatica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Belliella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia mobilis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia indica subsp. lacticogenes | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia indica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia indica subsp. indica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia doebereinerae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia derxii subsp. venezuelae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia derxii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia derxii subsp. derxii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beijerinckiaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beggiatoa leptomitoformis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beggiatoa alba T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beggiatoa | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Beggiatoaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bdellovibrio bacteriovorus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bdellovibrio | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bdellovibrionaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bdellovibrionales | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bdellovibrionia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bavariicoccus seileri T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Bavariicoccus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |