| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Thiosphaera pantotropha T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiorhodococcus minus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiorhodococcus bheemlicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiopseudomonas caeni | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiopseudomonas alkaliphila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioprofundum lithotrophica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioploca | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioploca schmidlei T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioploca ingrica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioploca chileae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioploca araucae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiopedia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiopedia rosea T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomonas cuprina | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira thermophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira psychrophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira kuenenii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira hydrogeniphila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira halophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira frisia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira denitrificans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira crunogena | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira chilensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrospira arctica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrorhabdus heinhorstiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiomicrorhabdus cannonii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thiohalophilus thiocyanoxidans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioclava marinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioclava electrotropha | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Thioclava arenosa | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |