Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Intramacronucleata Lynn, 1996 - amphiesmates Class Spirotrichea Bütschli, 1889 Subclass Hypotrichia (Stein, 1859) Cavalier-Smith, 1993 Order Euplotida Small & Lynn, 1985 1 Suborder Discocephalina Wicklow, 1982 2 Suborder Euplotina Small & Lynn, 1985