| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Undibacterium crateris | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Undibacterium arcticum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Undibacterium aquatile | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Undibacterium amnicola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umezawaea tangerina T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umezawaea endophytica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umezawaea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umboniibacter roseus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umboniibacter marinipuniceus T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umboniibacter caenipelagi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Umboniibacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Ulvibacterium marinum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Undibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Ulvibacter litoralis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Ulvibacter antarcticus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Ulvibacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Uliginosibacterium sediminicola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Uliginosibacterium paludis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Uliginosibacterium gangwonense T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Uliginosibacterium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tuwongella immobilis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tuwongella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turneriella parva T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turneriella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turicimonas muris T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turicimonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turicibacter sanguinis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turicibacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Turicibacteraceae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tunicatimonas pelagia T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |