| Cosmosalia Casey, 1913 |
| Cosmosalia chrysocoma (Kirby, 1837) |
| Crioprosopus Audinet-Serville, 1834 |
| Crioprosopus divisus Bates, 1885 |
| Crioprosopus gaumeri Bates, 1892 |
| Crioprosopus magnificus (LeConte, 1875) |
| Crioprosopus nieti Chevrolat, 1857 |
| Crioprosopus nigricollis Bates, 1892 |
| Crioprosopus rimosus (Buquet, 1840) |
| Crioprosopus saundersi White, 1853 |
| Crioprosopus servillei Audinet-Serville, 1834 |
| Crioprosopus thoracicus (White, 1853) |
| Crossidius LeConte, 1851 |
| Crossidius discoideus Casey, 1912 |
| Crossidius discoideus subsp. blandi Casey, 1893 |
| Crossidius humeralis LeConte, 1858 |
| Crossidius humeralis subsp. humeralis LeConte, 1858 |
| Crossidius mexicanus Chemsak & Noguera, 1997 |
| Crossidius militaris Bates, 1892 |
| Crossidius moestus (Bates, 1885) |