After Parker, 1982, Bechly, 1998-2002 and "The Tree of Life"

<==o Insecta Linnaeus, 1758 [Ectognatha] (insects; hyönteiset)
   |-- Archaeognatha Börner, 1904 [Microcoryphia, Thysanura: Machiloidea] (bristletails; sukahäntäiset)
   `--o Dicondylia sensu lato
      |-- †Monura
      `--o Dicondylia sensu stricto
         |-- Zygentoma [Thysanura: Lepismatoidea] (kolmisukahäntäiset; silverfish and firebrats)
         `--o Pterygota (siipikantaiset; winged insects)
            |?- †Rhyniognatha hirsti Tillyard, 1928b
            |-- Palaeoptera Martynov, 1925 [contra Metapterygota Börner, 1904 sensu Grimaldi & Engel, 2005] (vanhasiipiset)
            `-- Neoptera Martynov, 1925 [Neopterygota Crampton, 1924] (uussiipiset; bugs, beetles, wasps, moths, flies, etc.)

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