| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Thermaurantiacus tibetensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassotalea algicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas loyana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas ganghwensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas fusca | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas eurytherma | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas agarivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassomonas agariperforans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassolituus alkanivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobius maritimus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobius aquimarinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobius aquaeponti | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobius aestuarii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobius activus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobacter stenotrophicus T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassobacter arenae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thalassiella azotovora | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrathiobacter | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrathiobacter mimigardefordensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrathiobacter kashmirensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrasphaera remsis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrasphaera elongata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tetrasphaera duodecadis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Tessaracoccus palaemonis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Terrisporobacter hibernicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Terrihabitans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Terrihabitans soli T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Teretinema | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Teretinema zuelzerae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |