| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Changchengzhania lutea T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Changchengzhania | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Chalicogloea cavernicola T | ||||
| Chalicogloea | ||||
| Chroococcaceae | ||||
| Chroococcales | ||||
| Chakrabartia godavariana T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Chakrabartia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Chachezhania antarctica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Chachezhania | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cetobacterium somerae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cetobacterium ceti T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cetobacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Fusobacteriaceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cetia pacifica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cetia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cesiribacter roseus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cesiribacter andamanensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cesiribacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cesiribacteraceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter sphaeroides | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter ovatus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter johrii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter changlensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter azotoformans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter alkalitolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cereibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cerasicoccus arenae T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Cerasicoccus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Puniceicoccaceae |