Species (15.149)
- Crypacineta operata Swarczewsky ()
- Cyclochyrrha ophiotrix Fabre-Domergue 1888
- Cyrtohymena aestuarii Margalef Lopez 1945
- Kerona rostrata Dumas 1937
- Kentrochona nebaliae Doflein 1897
- Kerona lanceolata Dujardin 1841
- Klonstricha horrida Vuxanovici 1963
- Hypotrichidium geleii Lohmann 1908
- Kuklikophrya dragescoi Njine 1979
- Oxytricha candens Njine 1979
- Lacrymaria cohnii Kent 1881
- Lacrymaria cohnii sensu Buitkamp & Wilbert
- Lacrymaria spiralis Kahl 1926
- Lacrymaria spiralis Corliss & Snyder 1986
- Lacrymaria tenuicula Dumas 1876
- Lacrymaria tenuicula Fromentel 1876
- Lagenophrya mamillata Gelei 1954
- Lagenophrya ovalis Gelei 1954
- Lagenophrys patina Stokes 1887
- Kerona rotundata Fromentel 1876
- Laurentiella macrostoma Dragesco 1966
- Kerona histrio Müller 1786
- Laurentiella macrostoma Dragesco & Njiné 1971
- Latifolliculina incolorea Hadzi 1951
- Spathidium melophorme
- Lembadion ovale Dumas 1886
- Lembadion ovale Gourret & Roeser 1886
- Lobochona limnoriae Dons 194?
- Oxytricha balladynula Kahl 1932
- Opisthotricha macrostoma
- Aspidisca acerosa Jankowski 1978
- Netaspidisca acerosa Jankowski 1979
- Nicollela ctenodactyli Chatton & Pérard 1919
- Nuechterleinella corneliae Matthes 1990
- Nytotherus wichancoi Kidder 1937
- Oldesloeria mimeticus Kahl 1930
- Tintinnopsis lobiancoi ssp. fusiformis
- Opercularia allensi Stokes 1877
- Opercularia allensi Stokes 1887
- Ophrydiopsis concava Penard 1922
- Opisthotricha elongata Smith 1897
- Opisthotricha elongata Grandori & Grandori 1934
- Oxytricha immemorata Alekperov 1984
- Opisthotricum janus Buisson 1923
- Kerona vannus Müller 1786
- Orphryoglena griseovirens Perty 1852
- Ormosella cornucopia Kofoid & Campbell 1929
- Ormosella cornucopia Brandt ()
- Orphryoglena panophrys Perty 1852
- Otostoma carteri Kent 1881
- Otostoma carteri Carter 1856
- Oxytricha alfredi Berger 1999
- Oxytricha balladyna Song & Wilbert 1989
- Oxytricha durhamiensis Berger 1999
- Oxytricha geleii Wilbert 1986
- Kerona subrotundata Dumas 1930
- Kerona silurus Dumas 1929 ssp. congyrans
- Oxytricha kahlovata Berger 1999
- Oxytricha labiata Fromentel 1876
- Oxytricha labiata Dumas 1930
- Oxytricha monspessulata Chatton & Seguela 1940
- Oxytricha ovalis Schmarda 1854
- Oxytricha ovalis Fromentel 1876
- Oxytricha ovalis Schmarda 1854
- Oxytricha oxymarina Berger 1999
- Oxytricha ovalis Kahl 1932
- Oxytricha pseudofurcata Berger 1973
- Oxytricha parahalophila Wang & Nie 1935
- Oxytricha pseudofusiformis Dragesco & Dragesco-Kerneis 1986
- Oxytricha rubra Buitkamp 1977
- Oxytricha quadricirrata Blatterer & Foissner 1988
- Oxytricha viridis Perejaslawzewa 1886
- Oxytricha rubra Ehrenberg 1835
- Oxytricha ehrenbergiana Diesing 1866
- Oxytricha viridis Fromentel 1876
- Oxytrichides n.sp.
- Paradiophrys irmgard Mansfeld 1923
- Paramecium triassicum Foissner & Schönborn in § 1999
- Paraurostyla polymicronucleata Merriman 1937
- Parasicuophrya mantellae Albaret 1968
- Parastrombidium sp. Faure-Fremiet 1924
- Parduczia arcachonense Nouzarede 1965
- Parduczia filiformis Nouzarede 1977
- Parduczia murmanica Raikov 1962
- Parduczia martinicense Nouzarede 1977
- Parduczia orbis Faure-Fremiet 1950
- Parundella lachmanni Jörgensen 1924
- Parundella lachmanni Daday 1858
- Parurosoma dubium Gelei 1954
- Pauroleptus strenuus Dingfelder 1962
- Parurosoma tekirghiolica Tucolescu 1962
- Pediostomum diedrum Faure-Fremiet 1924
- Pediostomum diedrum Kahl 1932
- Penardiella interrupta Kahl 1930
- Penardiella interrupta Penard 1922
- Tintinidopsis lacustris
- Periacineta buckei Kent 1881
- Periacineta buckei Jankowski 1981
- Peroholosticha acuminata Hemberger 1985
- Petalotricha ampulla sensu Kent 1881