| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hymenobacter flocculans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter fastidiosus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter elongatus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter edaphi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter deserti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter defluvii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter daeguensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter daecheongensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter crusticola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter coccineus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter coalescens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter chitinivorans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter cavernae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter bucti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter artigasi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter arizonensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter arcticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter aquatilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter aquaticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter antarcticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter amundsenii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter algoricola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter agri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter aerophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter actinosclerus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hymenobacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hylemonella gracilis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hylemonella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hydrotalea sandarakina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hydrotalea flava T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |