| Theognete Champion, 1902 |
| Theognete laevis Champion, 1902 |
| Thricolepis Horn, 1876 |
| Thricolepis inornata Horn, 1876 |
| Thricolepis seminuda Horn, 1894 |
| Thysanoes LeConte, 1876 |
| Thysanoes adonis Wood, 1969 |
| Thysanoes epicaris Wood, 1969 |
| Thysanoes fimbricornis LeConte, 1876 |
| Thysanoes granulifer Wood, 1974 |
| Thysanoes inornatus Wood, 1971 |
| Thysanoes lobdelli Blackman, 1920 |
| Thysanoes mexicanus Wood, 1956 |
| Thysanoes pallens Wood, 1956 |
| Thysanoes subsulcatus Wood, 1969 |
| Thysanoes texanus Blackman, 1943 |
| Thysanoes tuberculatus Wood, 1975 |
| Thysanoes xylophagus Blackman, 1928 |
| Timorus Schönherr, 1838 |
| Timorus suturalis Rosenschöld, 1838 |