Species (1.575)
- Epistylis exilipes Dumas 1930
- Epistylis fastibilis Dumas 1930
- Epistylis falvicans Ehrenberg 1838
- Epistylis fastigata Dumas 1930
- Epistylis nebulifera Fromentel 1874
- Epistylis ophidioidea Kellicott 1884
- Epistylis ophrydiiformis Nüsslin 1884
- Epistylis ovalis Dumas 1929
- Epistylis parasitica
- Epistylis parvannulata Dumas 1929
- Epistylis plicatilior Dumas 1937
- Epenardia myriophylli Penard 1922
- Epicarchesium granulatum Kellicott 1887
- Epicarchesium pectinatum Zacharias 1897
- Epistylis balanorum Mereschkowski 1877
- Epistylis branchiophila Perty 1852
- Epistylis breviramosa Stiller 1931
- Epistylis brevipes Claparède & Lachmann 1858
- Epistylis cambari Kellicott 1885
- Epistylis calciformis Kahl 1933
- Epistylis campanella Dumas 1930
- Epistylis cauliculus Dumas 1930
- Epistylis flabelliformis Dumas 1930
- Epistylis flectens Dumas 1937
- Epistylis fluitans Faure-Fremiet 1924
- Epistylis gajewskajai Foissner, Berger & Kohmann 1992
- Epistylis fugitans Kellicott 1884
- Epistylis galea Ehrenberg 1831
- Epistylis gasterostei Faure-Fremiet ?
- Epistylis gemella Dumas 1930
- Epistylis geleii Stiller 1931
- Epistylis harpacticola Kahl 1933
- Epistylis hentscheli Kahl 1935
- Epistylis humilis Kellicott 1887
- Epistylis horizontalis Chatton 1936
- Epistylis hospes Fromentel 1874
- Epistylis invaginata Claparède & Lachmann 1858
- Epistylis inclinans Dumas 1937
- Epistylis jaworowskii Kahl 1935
- Epistylis laxipes Dumas 1930
- Epistylis longipes Dumas 1930
- Epistylis lwoffi Faure-Fremiet 1943
- Epistylis leucoa Ehrenberg 1838
- Epistylis naisidicola Dumas 1930
- Epistylis mirandella Dumas 1930
- Epistylis niagarae Kellicott 1883
- Epistylis perrieri Faure-Fremiet 1907
- Epistylis simulans Plate 1886
- Epistylis sphaeroides Fromentel 1874
- Epistylis stilleri Kahl 1935
- Epistylis subcylindrica Dumas 1930
- Epistylis steini Wrzesniowski 1877
- Epistylis tincta Stokes 1887
- Epistylis umbilicata Claparède & Lachmann 1858
- Epistylis umbellina Faure-Fremiet ?
- Epistylis vaginata Dumas 1930
- Epistylis vaginula Stokes 1884
- Epistylis variabilis Stiller 1953
- Epistylis vegetans
- Epistylis verticillata Dumas 1930
- Epistylis vermicola Kahl 1933
- Epistylis vestita Stokes 1887
- Epistylis violacea Monard 1918
- Epistylis vittata Stokes 1889
- Epistylis procumbens Zacharias 1897
- Epistylis pygmaeum Ehrenberg 1838
- Frontonia acuminata Ehrenberg 1833
- Frontonia aberrans Dragesco 1960
- Frontonia acuta Fromentel 1876
- Frontonia acutissima Dumas 1930
- Frontonia alba Fromentel 1876
- Frontonia angusta Kahl 1931
- Frontonia algivora Kahl 1931
- Frontonia arenaria Kahl 1933
- Frontonia atra Ehrenberg 1833
- Frontonia frigida Petz, Song & Wilbert 1995
- Frontonia fusca Quennerstedt 1869
- Frontonia fusiformis Foissner 1980
- Frontonia leucas Ehrenberg 1833
- Frontonia lacrimula Dumas 1930
- Frontonia longaria Dumas 1930
- Frontonia magnistoma Foissner 1987
- Frontonia marina Fabre-Domergue 1891
- Frontonia microstoma Kahl 1931
- Frontonia marisalbi Burkovsky 1970
- Frontonia ovalis Fromentel 1876
- Frontonia nassuloides Lepsi 1926
- Frontonia nigricans Penard 1922
- Frontonia ocularis Bullington 1940
- Frontonia pallida Czapik 1979
- Frontonia parameciiformis Wenzel 1953
- Frontonia parva Fromentel 1876
- Frontonia parvula Penard 1922
- Frontonia perna Fromentel 1876
- Frontonia piriformis Dumas 1930
- Frontonia salmastra Dragesco & Dragesco-Kernéis 1986
- Frontonia rostrata Fromentel 1876
- Frontonia solea Foissner 1987
- Frontonia rotunda Gelei 1954
- Frontonia schaeferi Bullington 1940