Eurotatoria De Ridder, 1957
Asciaporrectidae De Smet, 2006
Asplanchnidae Eckstein, 1883
Birgeidae Harring & Myers, 1924
Brachionidae Ehrenberg, 1838
Clariaidae Kutikova, Markevich & Spiridonov, 1990
Cotylegaleatidae De Smet, 2007
Dicranophoridae Harring, 1913
Epiphanidae Harring, 1913
Euchlanidae Ehrenberg, 1838
Gastropodidae Harring, 1913
Ituridae Sudzuki, 1964
Lecanidae Remane, 1933
Lepadellidae Harring, 1913
Lindiidae Harring & Myers, 1924
Microcodidae Hudson & Gosse, 1886
Microcodinidae
Mytilinidae Harring, 1913
Notommatidae Hudson & Gosse, 1886
Proalidae Harring & Myers, 1924
Scaridiidae Manfredi, 1927
Synchaetidae Hudson & Gosse, 1886
Tetrasiphonidae Harring & Myers, 1924
Trichocercidae Harring, 1913
Trichotriidae Harring, 1913