| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Kitasatoa kauaiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kitasatoa diplospora | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kingella orale | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kingella indologenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kineosporia corallincola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kineococcus terreus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kineococcus marinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kineococcus glutineturens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kineococcus endophytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kibdelosporangium albatum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kangiella shandongensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella yonginensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella treverensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella solincola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella soli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella palustris | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella montana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella koreensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella jeonii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella haifensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella chaponensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella carnis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella anthropi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Kaistella antarctica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jutongia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jutongia huaianensis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jishengella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jishengella zingiberis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jishengella endophytica T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Jinshanibacter xujianqingii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |