| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Cytobacillus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter velatus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter miniatus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter gracilis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter fuscus T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter ferrugineus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter badius | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter armeniaca | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cystobacter | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cysteiniphilum litorale T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cysteiniphilum halobium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cysteiniphilum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cypionkella sinensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cypionkella psychrotolerans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cypionkella collinsensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cypionkella aquatica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cypionkella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cycloclasticus pugetii T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cycloclasticus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Piscirickettsiaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium xiamenense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium salsum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium roseum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium qasimii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium plantarum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium marinum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium lianum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium jeungdonense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium halophilum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Cyclobacterium caenipelagi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |