| Trichocantus |
| Trichocantus variegatus Mostchulsky, 1853 |
| Trichocoryne S.F. Blake, 1924 |
| Trichocoryne striata Gray, 1832 |
| Trichonychina Reitter, 1882 |
| Trichonychini Reitter, 1882 |
| Trichonyx Chaudoir, 1845 |
| Trichonyx venustulus Schaufuss, 1874 |
| Trichophyinae Thompson, 1858 |
| Trichopseniini LeConte & Horn, 1883 |
| Trigonophorus Nordmann, 1837 |
| Trigonophorus subcoeruleus LeConte, 1863 |
| Trimicerus Motschulsky, 1855 |
| Trimicerus inflexus (Schaufuss, 1887) |
| Trimiina Bowman, 1934 |
| Trimioarcus Park, 1952 |
| Trimioarcus incisurus Park, 1952 |
| Trimiopsis Reitter, 1882 |
| Trimiopsis femoralis Sharp, 1887 |
| Trimiopsis minuta Sharp, 1887 |