| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Corynebacterium godavarianum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium fournierii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium flaccumfaciens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium flaccumfaciens subsp. poinsettiae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium flaccumfaciens subsp. oortii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium flaccumfaciens subsp. flaccumfaciens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium flaccumfaciens subsp. betae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium fascians | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium equi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium camporealense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium beticola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corynebacterium betae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Corallococcus silvisoli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Coraliihabitans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Coraliihabitans acroporae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Coprococcus ammoniilyticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Coprobacillus catenaformis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Copranaerobaculum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Copranaerobaculum intestinale T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conglomeromonas | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conglomeromonas largomobilis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conglomeromonas largomobilis subsp. parooensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conglomeromonas largomobilis subsp. largomobilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Confluentimicrobium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Confluentimicrobium naphthalenivorans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Confluentimicrobium lipolyticum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conexivisphaera | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conchiformibium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conchiformibium steedae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Conchiformibium kuhniae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |