After Parker, 1982 and Martin & Davis, 2001

<==o Asellota Latreille, 1802
   |--o Aselloidea Latreille, 1802
   |  |-- Asellidae Latreille, 1802 (vesisiirat)
   |  `-- Stenasellidae Dudich, 1924
   |--o Stenetrioidea Hansen, 1905 [incl. Pseudojaniroidea Wilson, 1986]
   |  |-- Pseudojaniridae Wilson, 1986
   |  `-- Stenetriidae Hansen, 1905
   |--o Gnathostenetroidoidea Kussakin, 1967
   |  |-- Gnathostenetroididae Kussakin, 1967
   |  |-- Protojaniridae Fresi, Idato & Scipione, 1980
   |  `-- Vermectiadidae Just & Poore, 1992
   `--o Janiroidea Sars, 1897
      |-- Acanthaspidiidae Menzies, 1962
      |-- Acanthomunnopsidae [not regocnized by Martin & Davis (2001)]
      |-- Antiasidae [not regocnized by Martin & Davis (2001)]
      |-- Dentrotiidae Vanhöffen, 1914 [Dendrotionidae Vanhöffen, 1914 sensu Lincoln & Boxshall, 1983]
      |-- Desmosomatidae Sars, 1899 [incl. Pseudomesidae]
      |-- EchinothambematidaeMenzies, 1956
      |-- Haplomunnidae Wilson, 1976
      |-- Haploniscidae Hansen, 1916
      |-- Ischnomesidae Hansen, 1916
      |-- Janirellidae Menzies, 1956
      |-- Janiridae Sars, 1897
      |-- Joeropsidae Nordenstam, 1933
      |-- Katianiridae Svavarsson, 1987
      |-- Macrostylidae Hansen, 1916
      |-- Mesosignidae Schultz, 1969
      |-- Microparasellidae Karaman, 1933
      |-- Mictosomatidae Wolff, 1965
      |-- Munnidae Sars, 1897
      |--o Munnopsididae Sars, 1896 [Munnopsidae; incl. Eurycopidae and Ilyarachnidae]
      |  |-- Eurycopinae [Eurycopidae]
      |  |-- Ilyarachninae [Ilyarachnidae]
      |  `-- Munnopsidinae Sars, 1896 [Munnopsididae Sars, 1896]
      |-- Nannoniscidae Hansen, 1916
      |-- Paramunnidae Vanhöffen, 1914 [incl. Abyssianiridae and Pleurogniidae]
      |-- Pleurocopidae Fresi & Schiecke, 1972
      |-- Schistosomatidae [not regocnized by Martin &amp; Davis (2001)]
      |-- Santiidae Wilson, 1987
      `-- Thambematidae Stebbing, 1913

Reference(s):