| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hyphomonas neptunium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas johnsonii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas jannaschiana | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas hirschiana | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas chukchiensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas beringensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas atlantica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas adhaerens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomonas | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium zavarzinii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium vulgare T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium sulfonivorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium nitrativorans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium methylovorum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium hollandicum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium facile subsp. ureaphilum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium facile subsp. tolerans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium facile | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium facile subsp. facile | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium denitrificans | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium chloromethanicum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium aestuarii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphomicrobium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphococcus flavus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphobacterium vulgare T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphobacterium indicum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyphobacterium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyperthermus butylicus T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Hyperthermus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Pyrodictiaceae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |