| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Fructobacillus papyriferae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fructobacillus papyrifericola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fructobacillus parabroussonetiae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fuerstiella marisgermanici T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fuerstiella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fulvivirga lutea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fulvivirga marina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fulvivirga sediminis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fumia xinanensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fumia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fundibacter jadensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fundibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fundicoccus fermenti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fundidesulfovibrio butyratiphilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fundidesulfovibrio magnetotacticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Furfurilactobacillus milii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fuscovulum blasticum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fuscovulum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusibacter ferrireducens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium alocis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium animalis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium canium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium hominis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium nucleatum subsp. fusiforme | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium plauti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium plautii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium polymorphum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium polysaccharolyticum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium prausnitzii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Fusobacterium pseudonecrophorum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |