| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| 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 | |
| Kangiella profundi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella marina | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella koreensis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella japonica | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella geojedonensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella aquimarina | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kangiella | ||||
| Kandleria vitulina T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kandleria | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kandeliimicrobium roseum T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kandeliimicrobium | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallotenue papyrolyticum T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallotenue | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallotenuaceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallotenuales | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallipyga massiliensis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kallipyga | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kalamiella piersonii T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kalamiella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Kaistia terrae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |