| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Campylobacter pylori subsp. mustelae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter nitrofigilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter mustelae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter massiliensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter majalis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter laridis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter hyoilei | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter fennelliae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter estrildidarum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter cryaerophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter cryaerophila | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter cinaedi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter butzleri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter bilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter aviculae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Campylobacter anatolicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caminibacter pacificus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calymmatobacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calymmatobacterium granulomatis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caloramator viterbensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calidifontibacillus oryziterrae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calidifontibacillus azotoformans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caldovatus aquaticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caldimonas thermodepolymerans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caldimonas tepidiphila | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caldimonas caldifontis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caldimonas brevitalea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calderobacterium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Calderobacterium hydrogenophilum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Caenimonas aquaedulcis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |