Species (565)
- Blepharisma sphagni Lepsi 1926
- Blepharisma tardum Kahl 1928
- Blepharisma steini Kahl 1932
- Blepharisma stoltei Isquith 1966 ssp. narai
- Blepharisma tenuis Kahl 1926
- Blepharisma trinodatum Hirshfield, Isquith & Bhandary 1965
- Blepharisma tropicum Seshachar & Bhandary 1962
- Blepharisma undulans Stein 1867
- Blepharisma velatum Vacelet 1961
- Blepharisma vestitum Kahl 1932
- Balantidiopsis muscicola Penard 1922
- Balantidium acanthuri Grim 1989
- Balantidium bacteriophoros Fenchel 1980
- Atriofolliculina andrewsi Hadzi 1951
- Atriofolliculina faureana Hadzi 1951
- Bothrostoma mirabilis Kahl 1927
- Bothrostoma undulans Stokes 1887
- Brachonella caduca Kahl 1927
- Balantidium prionurium Grim 1985
- Balantidium zebrascopi Grim 1992
- Chattonidium setense Villeneuve-Brachon 1937
- Caenomorpha capucina Kahl 1932
- Caenomorpha levanderi Kahl 1927
- Caenomorpha medusula Perty 1852
- Caenomorpha parva Wetzel 1928
- Caenomorpha simplex Jankowski 1964
- Caenomorpha sapropelica Kahl 1927
- Caenomorpha sp.
- Caenomorpha steini Bütschli 1879
- Caenomorphina heinrici Blochmann ?
- Caenomorpha uniserialis Levander 1894
- Caenomorpha aculeata Wetzel 1928
- Caenomorpha corlissi Jankowski 1964
- Caenomorpha lauterborni Kahl 1927
- Caenomorpha lata Kahl 1927
- Bursaria sprigera Ehrenberg 1833
- Diafolliculina similis Hadzi 1951
- Dellochus mucicola Corliss 1960
- Blepharisma clarissimum Anigstein 1912 ssp. clarissimum
- Blepharisma lateritia Ehrenberg 1831 ssp. lateritia
- Blepharisma stoltei ssp. stoltei
- Nyctotheroides cordiformis Ehrenberg 1838
- Nyctotherus africanus Castellani 1905
- Nyctotherus alpha Earl 1972
- Nyctotherus basidentitermes Gisler 1967
- Nyctotherus ampullarium Cordero 1928
- Nyctotherus beltrami Hegner 1940
- Nyctotherus beta Earl 1972
- Nyctotherus macrotermitis Gisler 1967
- Nyctotherus mandrakae Tuzet & Manier 1954
- Nyctotherus mardonii Tuzet, Manier & Vogeli-Zuber 1952
- Nyctotherus mauriesi Albaret 1970
- Nyctotherus multiporiferus Walker 1909
- Nyctotherus mutsorae Jeekel, Manier & Jolivet 1958
- Nyctotherus neocurtillae Carini 1938
- Nyctotherus nimbani Tuzet, Manier & Vogeli-Zuber 1952
- Nyctotherus obesus Tuzet & Théodoridés 1956
- Nyctotherus panesthiae Yamasaki 1939
- Nyctotherus paeninsulae Gisler 1967
- Nyctotherus piscicola Daday 1905
- Nyctotherus ovalis Leidy 1850
- Nyctotherus regalis Gisler 1967
- Nyctotherus rhamphidarpae Jeekel, Tuzet, Manier & Vogeli-Zuber 1952
- Nyctotherus rhinocrici Mello 1953
- Nyctotherus salihi Salih & Hammodi 1995
- Nyctotherus rosenbergi Rosenberg 1937
- Nyctotherus scinci Puytorac 1954
- Nyctotherus silvestrianus Kirby 1932
- Nyctotherus sokoloffi Schouten 1940
- Nyctotherus teleacus Geiman & Wichtermann 1937
- Nyctotherus termitis Dobell 1910
- Nyctotherus thyropygus Karandikar & Rodgi 1956
- Nyctotherus trachysauri Johnson 1932
- Nyctotherus woodi Amrein 1952
- Nyctotherus travassosi Cunha & Penido 1927
- Opalina cordiformis Perty 1852
- Nyctotherus befaysi Tuzet & Manier 1958
- Nyctotherus boipevae Carini 1933
- Nyctotherus buissoni Pinto 1926
- Nyctotherus delta Earl 1972
- Nyctotherus dilleri Earl & Jiménez 1969
- Nyctotherus diplopodae Karandikar & Rodgi 1956
- Nyctotherus ebriensis Gistler 1967
- Nyctotherus faba Schaudinn 1899
- Nyctotherus duboisii Künstler 1884
- Nyctotherus gamma Earl 1972
- Nyctotherus gisleri Earl 1972
- Nyctotherus gongylorrhus Karandikar & Rodgi 1956
- Nyctotherus grassei Earl 1972
- Nyctotherus gyoeranus Claparède & Lachmann 1858
- Nyctotherus haranti Grasse 1926
- Nyctotherus hormeticae Carini 1937
- Nyctotherus hoyai Tuzet & Theorides 1956
- Nyctotherus indica Baskar Rao 1969
- Nyctotherus jaboti Carini 1938
- Nyctotherus inflatus Tuzet & Manier 1958
- Nyctotherus mackinnoni Schouten 1940
- Nyctotherus kyphodes Geiman & Wichtermann 1937
- Nyctotherus madagascari Tuzet & Manier 1954
- Nyctotherus macropharyngeus