| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hydrogenimonas | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenimonaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogeniiclostridium mannosilyticum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogeniiclostridium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenibacillus schlegelii T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrogenibacillus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrocarboniphaga effusa T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrocarboniphaga daqingensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrocarboniphaga | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrocarboniclastica marina T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrocarboniclastica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrobacter penzbergensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hydrobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hyalangium minutum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hyalangium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwanghaeicola aestuarii T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwanghaeicola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwanghaeella grinnelliae T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwanghaeella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwangdonia seohaensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hwangdonia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hungatella xylanolytica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hungatella hathewayi T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hungatella effluvii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Hungatella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Humitalea rosea T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Humitalea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Humidesulfovibrio mexicanus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Humidesulfovibrio idahonensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Humidesulfovibrio arcti | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |