| Crossidius mojavensis Linsley, 1955 |
| Crossidius mojavensis subsp. linsleyi Chemsak, 1959 |
| Crossidius pulchellus LeConte, 1861 |
| Crossidius rubens Bates, 1885 |
| Crossidius subopacus (Chemsak & Linsley, 1982) |
| Crossidius suturalis LeConte, 1858 |
| Crossidius suturalis subsp. intermedius LeConte, 1873 |
| Crossidius suturalis subsp. melanipennis Penrose, 1984 |
| Crossidius suturalis subsp. suturalis LeConte, 1858 |
| Crossidius testaceus LeConte, 1851 |
| Crossidius testaceus subsp. australis Linsley, 1942 |
| Crossidius testaceus subsp. testaceus LeConte, 1851 |
| Crossomeles Chemsak & Noguera, 1993 |
| Crossomeles acutipennis Chemsak & Noguera, 1995 |
| Crossomeles aureopilis (Fisher, 1953) |
| Curiini LeConte, 1873 |
| Curtomerus Stephens, 1839 |
| Curtomerus flavus (Fabricius, 1775) |
| Cycnoderus Audinet-Serville, 1834 |
| Cycnoderus (Cycnoderus) Audinet-Serville, 1834 |