| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hydrogenophaga pseudoflava | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga palleronii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga luteola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga laconesensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga intermedia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga flava T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga defluvii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga crassostreae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga caeni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga borbori | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga bisanensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga atypica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga aromaticivorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga aquatica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenophaga | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobaculum acidophilum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobaculum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobacter thermophilus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobacter subterraneus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobacter hydrogenophilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenoanaerobacterium saccharovorans T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenoanaerobacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenivirga okinawensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenivirga caldilitoris T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenivirga | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenispora ethanolica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenispora | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenimonas urashimensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenimonas thermophila T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |