Superfamily Apoidea Latreille, 1802
   Division "Apiformes" - bees see [unranked] Anthophila Latreille, 1804
     Family Halictidae Thomson, 1869, nom. protect.
       Subfamily Rophitinae Schenck, 1866[1867] - rophitines
         1 Tribe Rophitini Schenck, 1866 [1867]
         2.1 Genus Xeralictus Cockerell, 1927
         2.2 Tribe Penapini M.S. Engel, 2001