| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Trujillonella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Trujillonella endophytica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tomitella cavernae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiothrix winogradskyi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiothrix subterranea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrorhabdus immobilis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermomonas mangrovi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermococcus argininiproducens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermocaproicibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermocaproicibacter melissae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermalbibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thermalbibacter longus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassolituus pacificus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassolituus maritimus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassolituus hydrocarbonoclasticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassolituus hydrocarboniclasticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Terrimonas ginsenosidimutans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tepidimonas alkaliphila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tamlana sargassicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tamlana laminarinivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tahibacter soli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tahibacter harae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tahibacter amnicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tabrizicola flagellata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Sulfurimonas aquatica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Sulfoacidibacillus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Sulfoacidibacillus ferrooxidans T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Sulfidibacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Sulfidibacter corallicola T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Stutzerimonas decontaminans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |