Genres
| Genre | Auteur | Cétoines |
|---|---|---|
| Cosmiomorpha (Microcosmiomorpha) | Miksic, 1977 | |
| Cosmiophaena | Kraatz, 1899 | 6 |
| Cosmovalgus | Kolbe, 1897 | 3 |
| Cotinis (Cotinis) | Burmeister, 1842 | |
| Craniorphnus | Kolbe 1895 | 1 |
| Cremastocheilus (Anatrinodia) | Casey, 1915 | |
| Cremastocheilus (Myrmecotonus) | Mann, 1914 | |
| Cremastocheilus (Trinodia) | Casey, 1915 | |
| Cryptodontes | Burmeister, 1847 | 2 |
| Cryptophilharmostes | Ballerio, 2000 | 2 |
| Cymophorus (Anaspilus) | Kolbe, 1892 | 3 |
| Cymophorus (Clydonophorus) | Kraatz, 1899 | 10 |
| Cymophorus (Cymophorus) | Kirby, 1827 | 13 |
| Cymophorus (Eucymophorus) | Schein, 1954 | 5 |
| Cymophorus (Neocymophorus) | Schein, 1954 | 5 |
| Cymophorus (Pseudocymophorus) | Schein, 1954 | 9 |
| Cymophorus (Syntomopteryx) | Kraatz, 1900 | 3 |
| Cyphonocephalus | Westwood, | |
| Cyriodera | Burmeister, 1842 | 1 |
| Daedycorrhina | Bates, 1888 |