| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hymenobacter aerilatus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hydrogenimonas cancrithermarum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyalangium versicolor | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyalangium gracile | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hufsiella | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hufsiella ginkgonis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hufsiella arboris | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hominicoprocola fusiformis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Holtiella | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Holtiella tumoricola T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hoeflea ulvae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hoeflea poritis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hoeflea algicola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia shackletonii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia ginsengihumi | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia faecalis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia coagulans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia camelliae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia acidiproducens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Heyndrickxia acidicola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Helicobacter ibis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halovivax gelatinilyticus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halothiobacillus diazotrophicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halorutilus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halorutilus salinus T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halonatronomonas | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halonatronomonas betaini T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halomonas salinarum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halomonas faecis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Halohasta salina | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |