| Atta (Trachymyrmex) Forel, 1893 |
| Atta (Trachymyrmex) septentrionalis McCook, 1881 |
| Atta (Trachymyrmex) septentrionalis var. obscurior Wheeler, 1907 |
| Atta (Trachymyrmex) septentrionalis var. vertebrata Wheeler, 1911 |
| Atta arizonensis Wheeler, 1907 |
| Atta brunnea Patton, 1894 |
| Atta cephalotes (Linnaeus, 1758) |
| Atta cephalotes subsp. isthmicola Weber, 1941 |
| Atta cephalotes subsp. oaxaquensis Gonçalves, 1942 |
| Atta cephalotes subsp. polita Emery, 1905 |
| Atta cephalotes var. integrior Forel, 1904 |
| Atta cephalotes var. opaca Forel, 1904 |
| Atta clypeata Smith, 1858 |
| Atta coloradensis Buckley, 1867 |
| Atta cornetzi Forel, 1912 |
| Atta desertorum Wheeler, 1911 |
| Atta destructor Jerdon, 1851 |
| Atta fervens (Drury, 1782) |
| Atta floricola Jerdon, 1851 |
| Atta geminata Fabricius, 1804 |