| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Geobacillus caldoxylosilyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Geoanaerobacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Geoanaerobacter pelophilus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gemmobacter fulvus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gemmobacter fulva | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gemmobacter changlensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gemella bergeriae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gelidibacter pelagius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gelidibacter maritimus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gehongia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gehongia tenuis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallionella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallionella ferruginea T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallintestinimicrobium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallintestinimicrobium propionicum T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallalistipes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gallalistipes aquisgranensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gaetbulimicrobium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gaetbulimicrobium brevivitae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gaetbulicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Gaetbulicola byunsanensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium vincentii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium sulci | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium pseudonecrophorum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium prausnitzii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium polysaccharolyticum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium polymorphum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium plautii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium plauti | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Fusobacterium nucleatum subsp. fusiforme | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |