| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Corynebacterium equi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Corynebacterium camporealense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Corynebacterium beticola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Corynebacterium betae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Corallococcus silvisoli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Coraliihabitans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Coraliihabitans acroporae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Coprococcus ammoniilyticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Coprobacillus catenaformis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Copranaerobaculum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Copranaerobaculum intestinale | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conglomeromonas | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conglomeromonas largomobilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conglomeromonas largomobilis subsp. parooensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conglomeromonas largomobilis subsp. largomobilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Confluentimicrobium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Confluentimicrobium naphthalenivorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Confluentimicrobium lipolyticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conexivisphaera | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conchiformibium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conchiformibium steedae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Conchiformibium kuhniae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Comamonas thiooxidans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Comamonas fluminis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Comamonas acidovorans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Colwellia psychroerythrus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Colwellia maritima | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Colwellia hadaliensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Colwellia demingae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Collinsella ihumii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |