| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| 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 | |
| Tunicatimonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tundrisphaera lichenicola T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tundrisphaera | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus soli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus permanentifrigoris T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus luteolus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus lipolyticus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus ginsengisoli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus flagellatus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Tumebacillus avium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |