| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Gilliamella apis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gilliamella apicola T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gilliamella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria voronezhensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria sinuosa | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria kuznetsovii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria giesbergeri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria anulus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Giesbergeria | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gibbsiella quercinecans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gibbsiella greigii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gibbsiella dentisursi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Gibbsiella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geovibrio thiophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geovibrio ferrireducens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geovibrio | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geotoga subterranea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geotoga petraea T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geotoga | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothrix fermentans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothrix | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holophagaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holophagales | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermomicrobium terrae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermomicrobium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermobacter hydrogeniphilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermobacter ehrlichii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermobacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geothermobacteraceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Geotalea uraniireducens T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |