After Parker, 1982, “The Tree of Life”, Lienhard & Smithers, 2002, and Grimaldi & Engel, 2005, 2006

<==o Psocoptera (jäytiäiset; book lice)
   |?- †Empheriopsis vulnerata Vishnyakova, 1975; Cret. EEu.
   |?- Lacroixiella Badonnel, 1943
   |--o Trogiomorpha
   |  |-- Atropetae
   |  `-- Psocatropetae
   |--o Troctomorpha
   |  |-- Nanopsocetae Pearman, 1936 [non Broadhead, 1950] [incl. Phthiraptera]
   |  `-- Amphientometae
   `--o Psocomorpha
      |--o Archipsocidae [treated as Homilopsocidea by Lienhard & Smithers, 2002]
      |  |--o Archipsocinae
      |  |  |--o Archipsocopsis Badonnel, 1948
      |  |  |  `-- †A. antigua (Mockford); Tert. SWNAm.
      |  |  `--o Archipsocus Hagen, 1882
      |  |     |-- †A. sp.; Tert. SWNAm.
      |  |     `-- †A. puber Hagen; M.Eoc. NEu.
      |  `--o Pararchipsocinae
      |     |-- Notarchipsocus Mockford, 1991
      |     |-- Pararchipsocus Badonnel, Mockford & Garcia Aldrete, 1984
      |     `-- Pseudarchipsocus Mockford, 1974
      `--+-- Epipsocetae
         |-- Caecilietae
         |-- Homilopsocidea
         `-- Psocetae

Reference(s):