Formicidae Latreille, 1802
Megalomyrmex acauna Brandao, 1990
Megalomyrmex ayri Brandao, 1990
Megalomyrmex balzani Emery, 1894
Megalomyrmex bituberculatus (Fabricius, 1798)
Megalomyrmex caete Brandao, 1990
Megalomyrmex cuatiara Brandao, 1990
Megalomyrmex cupecuara Brandao, 1990
Megalomyrmex cyendyra Brandao, 1990
Megalomyrmex drifti Kempf, 1961
Megalomyrmex emeryi Forel, 1904
Megalomyrmex foreli Emery, 1890
Megalomyrmex glaesarius Kempf, 1970
Megalomyrmex gnomus Kempf, 1970
Megalomyrmex goeldii Forel, 1912
Megalomyrmex iheringi Forel, 1911
Megalomyrmex incisus Smith, 1947
Megalomyrmex latreillei Emery, 1890
Megalomyrmex leoninus Forel, 1885
Megalomyrmex miri Brandao, 1990
Megalomyrmex modestus Emery, 1896
Megalomyrmex mondabora Brandao, 1990
Megalomyrmex myops Santschi, 1925
Megalomyrmex pacova Brandao, 1990
Megalomyrmex piriana Brandao, 1990
Megalomyrmex poatan Brandao, 1990
Megalomyrmex pusillus Forel, 1912
Megalomyrmex silvestrii Wheeler, 1909
Megalomyrmex staudingeri Emery, 1890
Megalomyrmex symmetochus Wheeler, 1925
Megalomyrmex tasyba Brandao, 1990
Megalomyrmex timbira Brandao, 1990
Megalomyrmex wallacei Mann, 1916
Megalomyrmex weyrauchi Kempf, 1970