| Tetramorium spinosum (Pergande, 1896) |
| Tetramorium spinosum subsp. insons (Wheeler, 1915) |
| Tetramorium striatidens Emery, 1889 |
| Tetramorium tricolor (Donisthorpe, 1948) |
| Tetramorium wheeleri Forel, 1901 |
| Tetramorium wilsoni Mann, 1921 |
| Tetraponera Smith, 1852 |
| Tetraponera testacea Smith, 1852 |
| Tetrogmus Roger, 1857 |
| Tetrogmus caldarius Roger, 1857 |
| Thaumatomyrmex Mayr, 1887 |
| Thaumatomyrmex atrox Weber, 1939 |
| Thaumatomyrmex ferox Mann, 1922 |
| Trachymesopus Emery, 1911 |
| Trachymyrmex Forel, 1893 |
| Trachymyrmex annulatus Santschi, 1936 |
| Trachymyrmex arizonensis (Wheeler, 1907) |
| Trachymyrmex attaxenus Eidmann, 1936 |
| Trachymyrmex bivittatus Wheeler, 1922 |
| Trachymyrmex bugnioni (Forel, 1912) |