| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hydrogeniiclostidium mannosilyticum T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hydrogeniiclostidium hominis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hutsoniella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hutsoniella sourekii T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungatella hominis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium thermocellum T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium straminisolvens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium saccincola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium mesophilum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium clariflavum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium cellulolyticum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium alkalicellulosi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hungateiclostridium aldrichii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humihabitans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humihabitans oryzae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humidesulfovibrio arcticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humicoccus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humicoccus flavidus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Humibacter ginsenosidimutans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huintestinicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huintestinicola butyrica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huaxiibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huaxiibacter chinensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huaishuia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Huaishuia halophila T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hoyosella suaedae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hoyosella lacisalsi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hoylesella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Hoylesella timonensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |