Hymenoptera Linnaeus, 1758 - ants, bees, and wasps
   Aculeata Latreille, 1802
     Family Formicidae Latreille, 1809 - ants
       Subfamily †Sphecomyrminae Wilson & Brown, 1967
         Genus †Sphecomyrma Wilson & Brown, in Wilson et al., 1967
           1 †Sphecomyrma canadensis Wilson, 1985
           2 †Sphecomyrma freyi Wilson & Brown, in Wilson et al., 1967
           3 †Sphecomyrma mesaki M.S. Engel & D.A. Grimaldi, 2005