| Nesomyrmex wilda (Smith, 1943) |
| Nomamyrmex Borgmeier, 1936 |
| Nomamyrmex apicifer (Santschi, 1916) |
| Nomamyrmex esenbeckii (Westwood, 1842) |
| Nomamyrmex esenbeckii subsp. mordax (Santschi, 1929) |
| Nomamyrmex esenbeckii subsp. wilsoni (Santschi, 1920) |
| Nomamyrmex hartigii (Westwood, 1842) |
| Nomamyrmex hartigii subsp. hansi (Forel, 1912) |
| Nomamyrmex schlechtendali (Mayr, 1887) |
| Novomessor Emery, 1915 |
| Novomessor albisetosus (Mayr, 1886) |
| Novomessor cockerelli (André, 1893) |
| Novomessor ensifer (Forel, 1899) |
| Novomessor manni Wheeler & Creighton, 1934 |
| Novomessor sonorae (Pergande, 1893) |
| Nycteresia Roger, 1861 |
| Nylanderia Emery, 1906 |
| Nylanderia acuminata (Forel, 1911) |
| Nylanderia arenivaga (Wheeler, 1905) |
| Nylanderia austroccidua (Trager, 1984) |