| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Chryseobacterium antarcticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromohalobacter salarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromohalobacter moromii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromocurvus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromocurvus halotolerans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromobacterium sinusclupearum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromobacterium pseudoviolaceum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromobacterium piscinae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromobacterium fluviatile | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromobacterium alticapitis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium weissei | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium warmingii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium violascens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium vinosum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium tepidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium salexigens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium purpuratum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium minutissimum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium minus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium gracile | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium glycolicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chromatium buderi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Christensenella tenuis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chordicoccus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chordicoccus furentiruminis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chondromyces catenulatus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chloronema | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chloronema giganteum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chlorobium vibrioforme | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Chlorobium tepidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |