| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Blautia pseudococcoides | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blautia liquoris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blautia glucerasei | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blautia celeris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blautia ammoniilytica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blautia acetigignens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blattabacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blattabacterium cuenoti T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastopirellula cremea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastococcus tunisiensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter natatorius | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter henricii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter denitrificans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter capsulatus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Blastobacter aggregatus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium tissierii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium thermophilium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium thermacidophilum subsp. thermacidophilum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium thermacidophilum subsp. porcinum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium suis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium stercoris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium simiiventris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium santillanense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium saguinibicoloris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium saeculare | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium pseudolongum subsp. globosum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium pongonis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium polysaccharolyticum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bifidobacterium pluvialisilvae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |