| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Kiloniella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium rhizovicinum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium phytohabitans | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium philippinense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium persicum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium metalli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium lantanae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium kanagawaense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium banguiense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium aridum subsp. largum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium aridum T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium aridum subsp. aridum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kibdelosporangium | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketogulonicigenium vulgare T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketogulonicigenium robustum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketogulonicigenium | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketobacter nezhaii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketobacter alkanivorans T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Ketobacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kerstersia similis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kerstersia gyiorum T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kerstersia | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Keratinibaculum paraultunense T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Keratinibaculum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangsaoukella pontilimi T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangsaoukella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella taiwanensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella spongicola | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella sediminilitoris | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |