| Brachystylus Schönherr, 1845 |
| Brachystylus microphthalmus Champion, 1911 |
| Brachystylus tamaulipanus Champion, 1911 |
| Bradyrhynchoides Pierce, 1913 |
| Bradyrhynchoides rugicollis (Sharp, 1891) |
| Buchananius Kissinger, 1957 |
| Buchananius crispus (Champion, 1908) |
| Buchananius striatus (LeConte, 1876) |
| Cactopinini Chamberlin, 1939 |
| Cactopinus Schwarz, 1899 |
| Cactopinus atkinsoni Wood, 1983 |
| Cactopinus burjosi Wood, 1983 |
| Cactopinus cactophthorus Wood, 1957 |
| Cactopinus carinatus Wood, 1969 |
| Cactopinus depressus Bright, 1967 |
| Cactopinus desertus Bright, 1967 |
| Cactopinus granulatus Wood, 1983 |
| Cactopinus granulifer Wood, 1969 |
| Cactopinus koebelei Blackman, 1938 |
| Cactopinus mexicanus Wood, 1967 |