| Compsocerini Thomson, 1864 |
| Compsosomatini Thomson, 1857 |
| Conosphaeron Linsley, 1935 |
| Conosphaeron concolor Linsley, 1935 |
| Conosphaeron concolor subsp. bicolor Chemsak & Linsley, 1967 |
| Conosphaeron concolor subsp. concolor Linsley, 1935 |
| Conosphaeron concolor subsp. piceum Linsley, 1935 |
| Cortodera Mulsant, 1863 |
| Cortodera falsa (LeConte, 1859) |
| Corynellus Bates, 1885 |
| Corynellus lutescens Noguera & Gutiérrez, 2019 |
| Corynellus mimulus Bates, 1885 |
| Coscinedes Bates, 1885 |
| Coscinedes gracilis Bates, 1885 |
| Coscinedes oaxaca Martins & Galileo, 2006 |
| Cosmisoma Audinet-Serville, 1834 |
| Cosmisoma reticulatum Bates, 1885 |
| Cosmoplatidius Gounelle, 1911 |
| Cosmoplatidius bilineatus (Buquet, 1841) |
| Cosmoplatidius sellatus (White, 1853) |