| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Undibacterium terreum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium squillarum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium seohonense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium piscinae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium pigrum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium parvum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium oligocarboniphilum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium macrobrachii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium jejuense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium danionis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium crateris | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium arcticum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium aquatile | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium amnicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umezawaea tangerina T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umezawaea endophytica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umezawaea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umboniibacter roseus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umboniibacter marinipuniceus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umboniibacter caenipelagi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Umboniibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ulvibacterium marinum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Undibacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ulvibacter litoralis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ulvibacter antarcticus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Ulvibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Uliginosibacterium sediminicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Uliginosibacterium paludis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Uliginosibacterium gangwonense T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Uliginosibacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |