After Parker, 1982 and Martin & Davis, 2001

<==o Oniscoidea Latreille, 1802 (maasiirat, tarhasiirat)
   |?- Dubioniscidae Schultz, 1995
   |?- Helelidae Ferrera, 1977
   |?- Irmaosidae Ferrera & Taiti, 1983
   |?- Pseudarmadillidae Vandel, 1973
   |?- Scleropactidae Verhoeff, 1938
   |--o Tylomorpha Vandel, 1943
   |  `-- Tylidae Dana, 1852
   `--o Ligiamorpha Vandel, 1943
      |--o Diplocheta Vandel, 1943
      |  |-- Ligiidae Leach, 1814
      |  `-- Mesoniscidae Verhoeff, 1930
      |--o Synocheta Legrand, 1946
      |  |--o Trichoniscoidea sars, 1899
      |  |  |-- Buddelundiellidae Verhoeff, 1930
      |  |  `-- Trichoniscidae Sars, 1899 (pikkusiirat)
      |  `--o Styloniscoidea Vandel, 1952
      |     |-- Schoebliidae Verhoeff, 1938
      |     |-- Styloniscidae Vandel, 1952 (1939) [Patagoniscidae Verhoeff, 1939]
      |     |-- Titaniidae Verhoeff, 1938
      |     `-- Tunanoniscidae Borutskii, 1969
      `--o Crinocheta Legrand, 1946
         |--o Oniscoidea [Atracheata]
         |  |-- Bathytropidae Vandel, 1952
         |  |-- Berytoniscidae Vandel, 1973
         |  |-- Detonidae Budde-Lund, 1906
         |  |-- Halophiloscidae Verhoeff, 1908
         |  |-- Olibrinidae Vandel, 1973
         |  |-- Oniscidae Latreille, 1802 (tarhasiirat)
         |  |-- Philosciidae Kinahan, 1857
         |  |-- Platyarthridae Vandel, 1946
         |  |-- Pudeoniscidae Lemos de Castro, 1973
         |  |-- Rhyscotidae Budde-Lund, 1908
         |  |-- Scyphacidae Dana, 1852
         |  |-- Speleoniscidae Vandel, 1948
         |  |-- Sphaeroniscidae Vandel, 1964
         |  |-- Stenoniscidae Budde-Lund, 1904
         |  `-- Tendosphaeridae Verhoeff, 1930
         `--o Armadilloidea Brandt, 1831 [Pseudotracheata]
            |-- Actaeciidae Vandel, 1952
            |-- Armadillidae Brandt, 1831
            |-- Armadillidiidae Brandt, 1833 (pallosiirat)
            |-- Atlantidiidae Arcangeli, 1954
            |-- Balloniscidae Vandel, 1963
            |-- Buddelundiellidae [not recognized by Martin & Davis, 2001]
            |-- Cylisticidae Verhoeff, 1949
            |-- Eubelidae Budde-Lund, 1904 [Eubellidae]
            |-- Periscyphicidae Ferrara, 1973
            |-- Porcellionidae Brandt, 1831
            `-- Trachelipodidae Strouhal, 1953 [Trachelipidae]

Reference(s):