| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Clostridium hominis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium histolyticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium hiranonis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium hemolyticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium hathewayi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium hastiforme | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium halophilum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium halophilium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium glycyrrhizinilyticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium glycolicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium ghonii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium ghoni | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium gelidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium formicoaceticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium fervidus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium fervidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium facile | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium durum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium diolis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium difficile | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium coccoides | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium clostridioforme | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium clostridiiforme | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium clariflavum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium citroniae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium cellulolyticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium cellobioparum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium celerecrescens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium caminithermale | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Clostridium caldaquaticum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |