Species (565)
- Nyctotherus osmodermae Zeliff 1933
- Nyctotherus pachbolii Tuzet, Manier & Vogeli-Zuber 1952
- Nyctotherus pintoi Carini 1933
- Nyctotherus tipulae Grasse 1928
- Nyctotherus uichancoi Kidder 1937
- Nyctotherus velox Leidy 1849
- Parablepharisma bacteriophora Villeneuve-Brachon 1940
- Parablepharisma chlamydophorum Kahl 1932
- Parablepharisma collare Kahl 1932
- Parablepharisma kahli Tucolesco 1962
- Parablepharisma pellitum Kahl 1932
- Paracichlidotherus leeuwenhoeki Grim 1992
- Parafolliculina hirundo Kent 1881
- Parafolliculina violacea Giard 1888
- Pedifolliculina arctica Dons 1915
- Albaretia terroni Affa'a 1986
- Apgaria elongata Stokes 1884
- Apgaria undulans Stokes 1884
- Apgaria purpurascens Stokes 1890
- Apgaria ovata Stokes 1884
- Anigsteinia salinara Florentin 1899
- Ascobius claparedei Hadzi 1951
- Ascobius faure-fremieti Hadzi 1951
- Ascobius lentus Henneguy 1884
- Ascobius simplex Dons 1917
- Ascobius sileni Hadzi 1951
- Ampullofolliculina lageniformis Hadzi 1951
- Folliculina abyssorum Giard 1883
- Folliculina aculeata Claparède & Lachmann 1858
- Folliculina ampulla Müller 1786
- Folliculina boecki Claparède & Lachmann 1858
- Folliculina elegans Claparède & Lachmann 1858
- Folliculina boltoni Kent 1881
- Folliculina gigantea Dons 1914
- Folliculina gunneri Dons 1927
- Folliculina limnoriae Giard 1883
- Folliculina hirundo Kent 1881
- Folliculina melitta Laackmann 1903
- Folliculina paranthurae Giard 1888
- Folliculina moebiusi Kahl 1932
- Folliculina producta Wright 1859
- Folliculina violacea Giard 1888
- Folliculinopsis möbiusi Hadzi 1938
- Folliculinopsis producta Wright 1859
- Fabrea salina Henneguy 1890
- Filiformis intermedium Hirshfield, Isquith & Bhandary 1965
- Folliculina similis Dons 1915
- Folliculina spirorbis Dons 1912
- Folliculina simplex Dons 1915
- Folliculina viridis Wright 1858
- Folliculina stylifera Wright 1858
- Gruberia aculeata Ozaki & Yagiu 1941
- Gruberia beninensis Dragesco & Dragesco-Kernéis 1986
- Gruberia calkinsi Beltrán 1933
- Gruberia binucleata Dragesco 1960
- Gruberia lanceolata Gruber 1884
- Gruberia uninucleata Kahl 1932
- Gruberia uninucleatum Kahl 1932
- Gullmarella faurei Fenchel 1964
- Gyrocorys oxyura Stein 1860
- Halofolliculina elegans Claparède & Lachmann 1858
- Halteroides tropicum Hirshfield, Isquith & Bhandary 1965
- Kondylostoma patens Claparède & Lachmann 1858
- Pseudoblepharisma lacustris Lepsi 1957
- Pseudoblepharisma crassum Kahl 1927
- Pseudoblepharisma montana Tucolesco 1962
- Pseudofolliculina arctica Dons 1914
- Pseudofolliculina paranthurae Giard 1888
- Pseudofolliculina melitta Laackmann 1910
- Spirostomum caudatum Müller 1786
- Spirostomum bifidum Dumas 1929
- Spirostomum crassum Kahl 1927
- Spirostomum cylindricum Dumas 1930
- Spirostomum intermedium Kahl 1932
- Spirostomum filum Ehrenberg 1838
- Spirostomum inflatum Kahl 1932
- Spirostomum loxodes Stokes 1885
- Spirostomum minus Roux 1901
- Spirostomum lanceolatum Gruber 1884
- Spirostomum semivirescens Perty 1852
- Spirostomum salinarum Florentin 1899
- Spirostomum virens Ehrenberg 1833
- Spirostomum teres Claparède & Lachmann 1858
- Stentor amethystinus Leidy 1880
- Stentor andreseni Nilsson 1986
- Stentor anceps Fromentel 1876
- Stentor acrobaticus Silén 1948
- Stentor araucanus Foissner & Wölfl 1994
- Stentor attenuatus Maskell 1887
- Stentor auriculatus Kahl 1932
- Stentor auricula Kent 1881
- Stentor clavipes Dumas 1937
- Stentor conicum Vuxanovici 1962
- Stentor curtus Dumas 1930
- Stentor elongatus Minkiewicz 1898
- Stentor felici Villeneuve-Brachon 1940
- Stentor fimbriatus Fromentel 1876
- Stentor fuscus Fromentel 1876
- Stentor fuliginosus Forbes 1891
- Stentor globator Stokes 1885