| Genus | Species Num | Strain Num | SOURCE |
|---|---|---|---|
| Ezakiella | 2 | 2 | MGYG |
| Faecalibacterium | 2 | 11 | HMP/MGYG |
| Faecalicatena | 3 | 3 | MGYG |
| Faecalicoccus | 1 | 1 | MGYG |
| Faecalitalea | 1 | 1 | MGYG |
| Fannyhessea | 1 | 2 | HMP/MGYG |
| Fenollaria | 2 | 2 | MGYG |
| Fervidobacterium | 1 | 1 | HMP |
| Fibrobacter | 2 | 2 | HMP/MGYG |
| Filifactor | 1 | 1 | HMP |