| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Cupriavidus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cupidesulfovibrio termitidis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cupidesulfovibrio oxamicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cupidesulfovibrio liaohensis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cupidesulfovibrio | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cuniculiplasma divulgatum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cuniculiplasma | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cuniculiplasmataceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cuneatibacter caecimuris T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cuneatibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cumulibacter soli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cumulibacter manganitolerans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cumulibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cucumibacter marinus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cucumibacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium phraense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium mongoliense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium minutisporangium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium japonicum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium eucalypti | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium cibodasense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium aurantiacum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium arvum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangiaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptosporangiales | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptobacterium curtum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptobacterium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptanaerobacter phenolicus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cryptanaerobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |