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

<==o Amphientometae
   |--o Electrentomoidea
   |  |--o Electrentomidae [incl.? Manicapsocidae]
   |  |  |-- †Electrentomum klebsianum Enderlein, 1911; M.Eoc. NEu.
   |  |  |-- Epitroctes Mockford, 1967
   |  |  |--o Manicapsocus Smithers, 1966
   |  |  |  `-- †M. enigmaticus Baz & Ortuño, 2001
   |  |  |-- Nothoentomum Badonnel, 1967
   |  |  |-- †Parelectrentomum priscum Roesler, 1940; M.Eoc. NEu.
   |  |  `-- Phallopsocus Badonnel, 1967
   |  |--o Compsocidae Mockford, 1967
   |  |  |-- †Burmacompsocus perreaui Nel & Waller, 2007; U.Cret. SEAs.
   |  |  |-- Compsocus Banks, 1930
   |  |  `-- Electrentomopsis Mockford, 1967
   |  |--o Protroctopsocidae
   |  |  |-- Chelyopsocus Lienhard, 1980
   |  |  |-- Philedaphia Lienhard, 1995
   |  |  `-- Protroctopsocus Mockford, 1967
   |  |--o Troctopsocidae
   |  |  |-- Coleotroctellus Lienhard, 1988
   |  |  |-- Selenopsocus Lienhard & Mockford, 1997
   |  |  |-- Thaipsocus Lienhard & Mockford, 1997
   |  |  |-- Troctopsocopsis Mockford, 1967
   |  |  |-- Troctopsoculus Mockford, 1967
   |  |  `-- Troctopsocus Mockford, 1967
   |  `--o Musapsocidae
   |     |-- Musapsocoides Carcia Aldrete & Mockford, 1996
   |     `-- Musapsocus Mockford, 1967
   `--o Amphientomoidea
      `--o Amphientomidae
Lithoseopsis elongata (Mockford). Amber (Tertiary): Mexico (IV).
Proamphientomum cretaceum Vishnyakova. Amber (Cretaceous): Russia (VIII).

         |?- Ancylopsocus Li Fasheng, 1997
         |--o Tineomorphinae
         |  |-- Cymatopsocus Enderlein, 1903
         |  `-- Tineomorpha Enderlein, 1906
         `--o Amphientominae
            |--o †Amphientomum Pictet, 1854
            |  |-- †A. colpolepis Enderlein; M.Eoc. NEu.
            |  |-- †A. leptolepis Enderlein; M.Eoc. NEu.
            |  `-- †A. paradoxum Pictet; M.Eoc. NEu.
            |-- Compressionis Li Fasheng, 1993
            |-- Diamphipsocus Li Fasheng, 1997
            |-- Hemiseopsis Enderlein, 1906
            |-- Lithoseopsis Mockford, 1993
            |-- Marcenendius Navas, 1913
            |-- Neoseopsis Badonnel, 1986
            |-- Nephax Pearman, 1935
            |-- Paramphientomum Enderlein, 1906
            |-- Proamphientomum Vishnyakova, 1975
            |-- Pseudoseopsis Badonnel, 1955
            |-- Seopsis Enderlein, 1906
            |-- Seopsocus Roesler, 1940
            |-- Stigmatopathus Enderlein, 1903
            |-- Stimulopalpus Enderlein, 1906
            |-- Syllysis Hagen, 1865
            `-- Yinia Li Fasheng, 1994

Reference(s):