| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hydrogenoanaerobacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenivirga okinawensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenivirga caldilitoris T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenivirga | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenispora ethanolica T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenispora | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenimonas urashimensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenimonas thermophila T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenimonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenimonaceae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogeniiclostridium mannosilyticum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogeniiclostridium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenibacillus schlegelii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrogenibacillus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrocarboniphaga effusa T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrocarboniphaga daqingensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrocarboniphaga | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrocarboniclastica marina T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrocarboniclastica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrobacter penzbergensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hydrobacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hyalangium minutum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hyalangium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwanghaeicola aestuarii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwanghaeicola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwanghaeella grinnelliae T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwanghaeella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwangdonia seohaensis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hwangdonia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Hungatella xylanolytica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |