After Lienhard, 2002

<==o Lepidopsocidae
   |--o Thylacellinae
   |  |--o Thylacella Enderlein, 1911
   |  |  `-- †T. eversiana Enderlein
   |  `--o Thylax Hagen, 1866
   |     `-- †T. fimbriatus Hagen
   |--o Perientominae
   |  |-- Illepidopsocus Li Fasheng, 1994
   |  |-- Lepium Enderlein, 1903
   |  |-- Neolepidopsocus Li Fasheng, 1992
   |  |--o Nepticulomima Enderlein, 1906
   |  |  `-- †N. mortua (Hagen)
   |  |-- Notolepium Enderlein, 1910
   |  |-- Parasoa Thornton, 1962
   |  |--o Perientomum Hagen, 1865
   |  |  `-- †P. incultum (Hagen)
   |  |-- Proentomum Badonnel, 1949
   |  `-- Soa Enderlein, 1904
   |--o Lepidopsocinae
   |  |-- Cyptophania Banks, 1931
   |  |-- Echmepteryx Aaron, 1886
   |  `-- Lepidopsocus Enderlein, 1903
   |--o Echinopsocinae
   |  |-- Echinopsocus Enderlein, 1903
   |  |-- Neolepolepis Mockford, 1993
   |  |-- Pteroxanium Enderlein, 1922
   |  `-- Scolopama Enderlein, 1906
   `--o Lepolepidinae
      `-- Lepolepis Enderlein, 1906

Reference(s):