| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Undibacterium flavidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Undibacterium fentianense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Undibacterium curvum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Undibacterium baiyunense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Undibacter | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Undibacter mobilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Ulvibacterium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Ulvibacter marinus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Uliginosibacterium aquaticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Turicibacter bilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Turicella | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Turicella otitidis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tumebacillus amylolyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella troitsensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella rigui | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella mangrovi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella flava | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella dongtanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella deserti | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella amylolytica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsuneonella aeria | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsukamurella sunchonensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsukamurella strandjordae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsukamurella spongiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsukamurella paurometabolum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tsukamurella carboxydivorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Trueperella bialowiezense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tropicimonas marinistellae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tropicibacter phthalicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Tropicibacter phthalicicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |