| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Fredinandcohnia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fredinandcohnia salidurans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fredinandcohnia onubensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fredinandcohnia humi T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fredinandcohnia aciditolerans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Frateuria soli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Frateuria flava | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Frateuria edaphi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Franklinella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Franklinella schreckenbergeri T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Frankia colletiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella tularensis subsp. holarctica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella piscicida | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella philomiragia subsp. philomiragia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella philomiragia subsp. noatunensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella novicida | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella noatunensis subsp. orientalis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella noatunensis subsp. chilensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Francisella guangzhouensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Formosa spongicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fluviispira sanaruensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fluoribacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fluoribacter gormanii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fluoribacter dumoffii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fluoribacter bozemanae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Flocculibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Flocculibacter collagenilyticus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Flintibacter hominis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Flintibacter butyricum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Flexibacter tractuosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |