| Genus | Species Num | Strain Num | SOURCE |
|---|---|---|---|
| Gordonibacter | 3 | 3 | MGYG |
| Gorillibacterium | 1 | 1 | MGYG |
| Gracilibacillus | 2 | 2 | MGYG |
| Gramella | 1 | 1 | HMP |
| Granulibacter | 1 | 1 | HMP |
| Granulicatella | 2 | 3 | HMP/MGYG |
| Granulicella | 2 | 2 | HMP |
| Grimontia | 1 | 2 | HMP/MGYG |
| Haemophilus | 7 | 17 | HMP/MGYG |
| Hafnia | 2 | 2 | MGYG |