| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Mycobacterium triviale | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium triplex | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium tokaiense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium timonense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium thermoresistibile | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium terrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium talmoniae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium szulgai | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium syngnathidarum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium stomatepiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium stephanolepidis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium sphagni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium smegmatis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium simiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium shottsii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium shinjukuense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium shimoidei | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium shigaense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium sherrisii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium setense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium septicum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium seoulense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium senuense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium senegalense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium sediminis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium scrofulaceum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium saskatchewanense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium sarraceniae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium saopaulense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Mycobacterium salmoniphilum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |