| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Falcivibrio grandis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faenia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faenia rectivirgula T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalicatena acetigenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalicatena absiana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalibacterium hattorii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalibacterium gallinarum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalibacterium duncaniae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalibacterium butyricigenerans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faecalibacter bovis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabivirga | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabivirga thermotolerans T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabibacter pacificus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabibacter misakiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fabibacter halotolerans T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Exiguobacterium qingdaonense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Exiguobacterium algae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Excellospora | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Excellospora viridilutea T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Evansella tamaricis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Evansella cellulosilytica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Evansella caseinilytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium timidum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium tardum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium tarantellus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium tarantellae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium suis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium saphenus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Eubacterium saburreum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |