life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Hexapoda - insects see Epiclass Hexapoda Latreille, 1825
  Count: -
     Euentomata
    Count: -
       Ectognatha see Class Insecta Linnaeus, 1758
      Count: -
         Dicondylia Haeckel, 1866 see Subclass Dicondylia Haeckel, 1866
        Count: -
           Pterygota Lang, 1888 see Infraclass Pterygota Lang, 1888
          Count: -
             1 Ephemeroptera Hyatt & Arms, 1890 see Order Ephemeroptera Hyatt & Arms, 1891
            Count: -
             2 Metapterygota
            Count: -