| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Croceibacter atlanticus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Croceibacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Criibacterium bergeronii T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Criibacterium | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cricetibacter osteomyelitidis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cricetibacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cribrihabitans pelagius | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cribrihabitans neustonicus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cribrihabitans marinus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Cribrihabitans | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crenobacter luteus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crenobacter cavernae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crenobacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crenalkalicoccus roseus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crenalkalicoccus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Craurococcus roseus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Craurococcus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Craterilacuibacter sinensis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Craterilacuibacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crateriforma conspicua T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crateriforma | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crassaminicella profunda T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Crassaminicella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Coxiella burnetii T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Coxiella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Couchioplanes caeruleus subsp. caeruleus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Couchioplanes caeruleus subsp. azureus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Couchioplanes caeruleus T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Couchioplanes | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Costertonia aggregata T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |