| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Fibrobacter succinogenes subsp. elongata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fibrella rubiginis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fibrella forsythiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fibrella aquatilis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fervidobacterium pennavorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ferruginibacter profundus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ferruginibacter albus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Ferroplasma cupricumulans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faunimonas | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Faunimonas pinastri T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiruegeria | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiruegeria mediterranea T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiruegeria litorea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas wooponensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas tokyonensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas terricola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas stagni T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas selenitidurans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas riguiloci | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas frigidaquae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas bella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas arcticisoli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsiroseomonas algicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsihalocynthiibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falsihalocynthiibacter arcticus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falseniella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falseniella ignava T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falcivibrio | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Falcivibrio vaginalis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |