After Parker, 1982, and Grimaldi & Engel, 2005

<==o Philopteroidea
   |--o Meinertzhagenielliformia
   |  |-- Meinertzhageniellidae
   |  `-- Dahlemhorniidae
   |--o Lipeuriformia
   |  |-- Lipeuridae
   |  |-- Degeeriellidae 
   |  `-- Colilipeuridae 
   |--o Pseudonirmiformia
   |  |-- Pseudonirmidae 
   |  |-- Docophoroididae
   |  `-- Giebeliidae
   |--o Esthiopteriformia
   |  |-- Esthiopteridae
   |  |-- Acidoproctidae
   |  `-- Rallicolidae
   `--o Philopteriformia
      `--o Philopteridae
         `-- Philopterus

Reference(s):