Class I. KINETOFRAGMINOPHORA de Puytorac et al., 1974
Subclass (1) Gymnostomata Bütschli, 1889Order 1. PRIMOCILIATIDA Corliss, 1974Family STEPHANOPOGONIDAE Corliss, 1961Order 2. KARYORELICTIDA Corliss, 1974
Family TRACHELOCERCIDAE Kent, 1881
Family LOXODIDAE Bütschli, 1889
Family GELEIIDAE Kahl, 1933Order 3. PROSTOMATIDA Schewiakoff, 1896
Suborder (1) Archistomatina de Puytorac et al., 1974Family BUETSCHLIIDAE Poche, 1913Suborder (2) Prostomatina Schewiakoff, 1896
Family HOLOPHRYIDAE Perry, 1852
Family METACYSTIDAE Kahl, 1926Suborder (3) Prorodontina Corliss, 1974
Family PRORODONTIDAE Kent, 1881
Family COLEPIDAE Ehrenberg, 1838Order 4. HAPTORIDA Corliss, 1974
Family ENCHELYIDAE Ehrenberg, 1838
Family SPATHIDIIDAE Kahl in Doflein & Reichenow, 1929
Family TRACHELIIDAE Ehrenberg, 1838
Family DIDINIIDAE Poche, 1913
Family ACTINOBOLINIDAE Kahl, 1930
Family PROTOHALLIIDAE da Cunha & Muniz, 1927Order 5. PLEUROSTOMATIDA Schewiakoff, 1896
Family AMPHILEPTIDAE Bütschli, 1889Subclass (2) Vestibulifera de Puytorac et al., 1974
Order 1. TRICHOSTOMATIDA Bütschli, 1889Suborder (1) Trichostomatina Bütschli, 1889Family PLAGIOPYLIDAE Schewiakoff, 1896
Family COELOSOMIDIDAE Corliss, 1961
Family TRICHOSPIRIDAE Kahl, 1926
Family TRIMYEMIDAE Kahl, 1933
Family MARYNIDAE Poche, 1913
Family BALANTIDIIDAE Reichenow in Doflein & Reichenow, 1929
Family PYCNOTRICHIDAE Poche, 1913
Family ISOTRICHIDAE Bütschli, 1889
Family PARAISOTRICHIDAE da Cunha, 1917
Family PROTOCAVIELLIDAE Grain, n. fam.Suborder (2) Blepharocorythina Wolska, 1971
Family BLEPHAROCORYTHIDAE Hsiung, 1929Order 2. ENTODINIOMORPHIDA Reichenow in Doflein & Reichenow, 1929
Family OPHRYOSCOLECIDAE Stein, 1859
Family CYCLOPOSTHIIDAE Poche, 1913
Family POLYDINIELLIDAE Corliss, 1960
Family SPIRODINIIDAE Strelkow, 1939
Family DITOXIDAE Strelkow, 1939
Family TELAMODINIIDAE Latteur & Dufey, 1967
Family TROGLODYTELLIDAE n. fam.Order 3. COLPODIDA de Puytorac et al., 1974
Family COLPODIDAE Ehrenberg, 1838
Family WOODRUFFIIDAE von Gelei, 1954
Family CYRTOLOPHOSIDIDAE Stokes, 1888Subclass (3) Hypostomata Schewiakoff, 1896
Order 1. SYNHYMENIIDA de Puytorac et al., 1974Order 2. NASSULIDA Jankowski, 1967
Suborder (1) Nassulina Jankowski, 1967Family NASSULIDAE de Fromentel, 1874
Family PARANASSULIDAE Fauré-Fremiet, 1962
Family FURGASONIIDAE n. nom.Suborder (2) Microthoracina Jankowski, 1967
Family LEPTOPHARYNGIDAE Kahl, 1926
Family MICROTHORACIDAE Wrzesniowski, 1870Order 3. CYRTOPHORIDA Fauré-Fremiet in Corliss, 1956
Suborder (1) Chlamydodontina Deroux, 1976Family CHILODONELLIDAE Deroux, 1970
Family CHLAMYDODONTIDAE Stein, 1859
Family LYNCHELLIDAE Jankowski, 1968Suborder (2) Dysteriina Deroux, 1976
Family PLESIOTRICHOPIDAE Deroux, 1976
Family HARTMANNULIDAE Poche, 1913
Family DYSTERIIDAE Claparéde & Lachmann, 1858Suborder (3) Hypocomatina Deroux, 1976
Family HYPOCOMIDAE Bütschli, 1889
Family CRATERISTOMATIDAE Jankowski, 1967Order 4. CHONOTRICHIDA Wallengren, 1895
Suborder (1) Exogemmina Jankowski, 1972Family LOBOCHONIDAE Jankowski, 1967
Family FILICHONIDAE Jankowski, 1973
Family PHYLLOCHONIDAE Jankovski, 1972
Family HELIOCHONIDAE Jankowski, 1972
Family CHILODOCHONIDAE Wallengren, 1895
Family SPIROCHONIDAE Stein, 1854Suborder (2) Cryptogemmina Jankowski, 1975
Family ISOCHONIDAE Jankowski, 1973
Family ACTINICHONIDAE Jankowski, 1973
Family STYLOCHONIDAE Mohr, 1948
Family ECHINICHONIDAE Jankowski, 1973
Family INVERSOCHONIDAE Jankowski, 1973Order 5. RHYNCHODIDA Chatton & Lwoff, 1939
Family ANCISTROCOMIDAE Chatton & Lwoff, 1939
Family SPHENOPHRYIDAE Chatton & Lwoff, 1921Order 6. APOSTOMATIDA Chatton & Lwoff, 1928
Suborder (1) Apostomatina Chatton & Lwoff, 1928Family FOETTINGERIIDAE Chatton, 1911
Family CYRTOCARYIDAE n. fam.Suborder (2) Astomatophorina Jankowski, 1966
Family OPALINOPSIDAE Hartog, 1906
Family COLLINIIDAE Cépéde, 1910Suborder (3) Pilisuctorina Jankowski, 1966
Family CONIDOPHRYIDAE Kirby, 1941Subclass (4) Suctoria Claparède & Lachmann, 1858
Order SUCTORIDA Claparède & Lachmann, 1858Suborder (1) Exogenina Collin, 1912Family PODOPHRYIDAE Haeckel, 1866
Family PARAPODOPHRYIDAE Jankowski, 1973
Family URNULIDAE Fraipont, 1878
Family EPHELOTIDAE Kent, 1882
Family SPELAEOPHRYIDAE Jankowski in Batisse, 1975
Family RHABDOPHRYIDAE Jankowski, 1970
Family STYLOSTOMATIDAE Batisse, 1975
Family OPHRYODENDRIDAE Stein, 1867
Family TACHYBLASTONIDAE Grell, 1950
Family THECACINETIDAE Matthes, 1956
Family PHALACROCLEPTIDAE Kozloff, 1966Suborder (2) Endogenina Collin, 1912
Family ACINETIDAE Stein, 1859
Family DENDROSOMATIDAE Fraipont, 1878
Family TRICHOPHRYIDAE Fraipont, 1878
Family ENDOSPHAERIDAE Jankowski, n. fam.Suborder (3 ) Evaginogenina Jankowski, n. subord.
Family DISCOPHRYIDAE Collin, 1912
Family HELIOPHRYIDAE n. fam.
Family DENDROCOMETIDAE Haeckel, 1866
Family CYATHODINIIDAE da Cunha, 1914
Class II. OLIGOHYMENOPHORA de Puytorac et al., 1974
Subclass (1) Hymenostomata Delage & Hérouard, 1896Order 1. HYMENOSTOMATIDA Delage & Hérouard, 1896Suborder (1) Tetrahymenina Fauré-Fremiet in Corliss, 1956Family TETRAHYMENIDAE Corliss, 1952
Family GLAUCOMIDAE Corliss, 1971
Family TURANIELLIDAE Didier, 1971
Family CURIMOSTOMATIDAE Jankowski, 1968
Family SAGITTARIIDAE R. & L. Grandori, 1935Suborder (2) Ophryoglenina Canella, 1964
Family OPHRYOGLENIDAE Kent, 1881
Family ICHTHYOPHTHIRIIDAE Kent, 1881Suborder (3) Peniculina Fauré-Fremiet in Corliss, 1956
Family PARAMECIIDAE Dujardin, 1840
Family FRONTONIIDAE Kahl, 1926
Family CLATHROSTOMATIDAE Kahl, 1926
Family UROCENTRIDAE Claparéde & Lachmann, 1858
Family STOKESIIDAE Roque, 1961
Family NEOBURSARIDIIDAE Dragesco & Tuffrau, 1967
Family LEMBADIONIDAE Jankowski, n. fam.Order 2. SCUTICOCILIATIDA Small, 1967
Suborder (1) Philasterina Small, 1967Family PHILASTERIDAE Kahl, 1931
Family URONEMATIDAE Thompson, 1964
Family COHNILEMBIDAE Kahl, 1933
Family ENTORHIPIDIIDAE Madsen, 1931
Family ENTODISCIDAE Jankowski, 1973
Family CRYPTOCHILIDAE Berger, n. fam.
Family THYROPHYLACIDAE Berger in Corliss, 1961
Family LOXOCEPHALIDAE Jankowski, 1964
Family CINETOCHILIDAE Perty, 1852
Family UROZONIDAE Grolière, 1975
Family PSEUDOCOHNILEMBIDAE Evans & Thompson, 1964
Family THIGMOPHRYIDAE Chatton & Lwoff, 1926Suborder (2) Pleuronematina Fauré-Fremiet in Corliss, 1956
Family PLEURONEMATIDAE Kent, 1881
Family CYCLIDIIDAE Ehrenberg, 1838
Family HISTIOBALANTIIDAE de Puytorac & Corliss, n. fam.
Family PENICULISTOMATIDAE Fenchel, 1965
Family THIGMOCOMIDAE Kazubski, 1958
Family CONCHOPHTHIRIDAE Kahl in Doflein & Reichenow, 1929Suborder (3) Thigmotrichina Chatton & Lwoff, 1922
Family ANCISTRIDAE Issel, 1903
Family HEMISPEIRIDAE König, 1894
Family HYSTEROCINETIDAE Diesing, 1866
Family PROTANOPLOPHRYIDAE Miyashita, 1929
Family NUCLEOCORBULIDAE Santhakumari & Nair, 1970Order 3. ASTOMATIDA Schewiakoff, 1896
Family ARCHIASTOMATIDAE Foissner, 1976
Family ANOPLOPHRYIDAE Cépède, 1910
Family BUETSCHLIELLIDAE de Puytorac, n. fam.
Family HOPLITOPHRYIDAE Cheissin, 1930
Family RADIOPHRYIDAE de Puytorac, 1972
Family CONTOPHRYIDAE de Puytorac, 1972
Family MAUPASELLIDAE Cépède, 1910
Family INTOSHELLINIDAE Cépède, 1910
Family HAPTOPHRYIDAE Cépède, 1923
Family CLAUSILOCOLIDAE de Puytorac, n. fam.Subclass (2) Peritricha Stein, 1859
Order PERITRICHIDA Stein, 1859Suborder (1) Sessilina Kahl, 1933Family VORTICELLIDAE Ehrenberg, 1838
Family ASTYLOZOIDAE Kahl, 1935
Family EPISTYLIDIDAE Kahl, 1933
Family OPERCULARIIDAE Fauré-Fremiet, n. fam.
Family OPISTHONECTIDAE Foissner, 1976
Family SCYPHIDIIDAE Kahl, 1933
Family OPHRYDIIDAE Ehrenberg, 1838
Family ELLOBIOPHRYIDAE Chatton & Lwoff, 1929
Family TERMITOPHRYIDAE Lom, n. fam.
Family ROVINJELLIDAE Matthes, 1972
Family VAGINICOLIDAE de Fromentel, 1874
Family LAGENOPHRYIDAE Bütschli, 1889Suborder (2) Mobilina Kahl, 1933
Family URCEOLARIIDAE Dujardin, 1840
Family LEIOTROCHIDAE Johnston, 1938
Family POLYCYCLIDAE Poljansky, 1951
Family TRICHODINOPSIDAE Kent, 1881
Family TRICHODINIDAE Claus, 1874
Class III. POLYHYMENOPHORA Jankowski, 1967
Subclass Spirotricha Bütschli, 1889Order 1. HETEROTRICHIDA Stein, 1859Suborder (1) Heterotrichina Stein, 1859Family SPIROSTOMIDAE Stein, 1867
Family PHACODINIIDAE n. fam.
Family METOPIDAE Kahl, 1927
Family CONDYLOSTOMATIDAE Kahl in Doflein & Reichenow, 1929
Family REICHENOWELLIDAE Kahl, 1932
Family CLIMACOSTOMIDAE Repak, 1972
Family STENTORIDAE Carus, 1863
Family BURSARIIDAE Dujardin, 1840
Family CHATTONIDIIDAE Villeneuve-Brachon, 1940
Family PERITROMIDAE Stein, 1867Suborder (2) Clevelandellina de Puytorac & Grain, 1976
Family NYCTOTHERIDAE Amaro, 1972
Family SICUOPHORIDAE Amaro, 1972
Family CLEVELANDELLIDAE Kidder, 1938
Family INFEROSTOMATIDAE Ky, 1971
Family NATHELLIDAE Singh, 1953Order 2. ODONTOSTOMATIDA Sawaya, 1940
Family EPALXELLIDAE Corliss, 1960
Family DISCOMORPHELLIDAE Corliss, 1960
Family MYLESTOMATIDAE Kahl, 1929Order 3. OLIGOTRICHIDA Bütschli, 1887
Suborder (1) Oligotrichina Bütschli, 1887Family HALTERIIDAE Claparède & Lachmann, 1858
Family STROMBIDIIDAE Fauré-Fremiet, 1970
Family STROBILIDIIDAE Kahl in Doflein & Reichenow, 1929Suborder (2) Tintinnina Kofoid & Campbell, 1929
Family TINTINNIDIIDAE Kofoid & Campbell, 1929
Family CODONELLIDAE Kent, 1881
Family CODONELLOPSIDAE Kofoid & Campbell, 1929
Family METACYLIDIDAE Kofoid & Campbell, 1929
Family EPIPLOCYLIDIDAE Kofoid & Campbell, 1939
Family CYTTAROCYLIDIDAE Kofoid & Campbell, 1929
Family ASCAMPBELLIELLIDAE Corliss, 1960
Family DICTYOCYSTIDAE Haeckel, 1873
Family PTYCHOCYLIDIDAE Kofoid & Campbell, 1929
Family RHABDONELLIDAE Kofoid & Campbell, 1929
Family XYSTONELLIDAE Kofoid & Campbell, 1929
Family UNDELLIDAE Kofoid & Campbell, 1929
Family TINTINNIDAE Claparéde & Lachmann, 1858Order 4. HYPOTRICHIDA Stein, 1859
Suborder (1) Stichotrichina Fauré-Fremiet, 1961Family SPIROFILIDAE von Gelei, 1929
Family STRONGYLIDIIDAE Fauré-Fremiet, 1961
Family UROSTYLIDAE Bütschli, 1889
Family HOLOSTICHIDAE Fauré-Fremiet, 1961
Family PSILOTRICHIDAE Bütschli, 1889
Family KIITRICHIDAE Nozawa, 1941
Family KERONIDAE Dujardin, 1840Suborder (2) Sporadotrichina Fauré-Fremiet, 1961
Family OXYTRICHIDAE Ehrenberg, 1838
Family ASPIDISCIDAE Ehrenberg, 1838
Family EUPLOTIDAE Ehrenberg, 1838
Family GASTROCIRRHIDAE Fauré-Fremiet, 1961