Species (303)
- Cyclidium margaritaceum Ehrenberg 1831
- Disematostoma buetschlii Lauterborn 1894
- Disematostoma colpidioides Gelei 1954
- Disematostoma frontoniiforme Gelei 1954
- Disematostoma invallatum Gelei 1954
- Disematostoma minor Kahl 1931
- Disematostoma tetraedricum Faure-Fremiet 1924
- Ophryoglena citrea Ehrenberg 1831
- Ophryoglena bacterocaryon Roque et al./Savoie? 1965
- Ophryoglena citreum Ehrenberg 1831
- Ophryoglena collini Lichtenstein 1921
- Ophryoglena faurei Savoie 1962
- Ophryoglena flava Ehrenberg 1833
- Ophryoglena vorax Smith 1897
- Ophryoglena viridis Penard 1922
- Ophryoglena flavicans Ehrenberg 1831
- Ophryoglena hypertrophica Savoie 1961
- Ophryoglena inquieta Kahl 1931
- Ophryoglena intestinalis Rossolimo 1926
- Ophryoglena macrostoma Kahl 1928
- Ophryoglena maligna Penard 1922
- Ophryoglena magna Maupas 1883
- Ophryoglena media Mugard 1949
- Ophryoglena marginata Greeff 1888
- Ophryoglena mugardi Savoie 1962
- Ophryoglena ovata Stokes 1885
- Ophryoglena oblonga Gajevskaja 1927
- Ophryoglena parasitica Andre 1909
- Ophryoglena pyriformis Rossolimo 1926
- Ophryoglena tigrina Penard 1922
- Ophryoglena utriculariae Kahl 1931
- Epenardia myriophylli Penard 1922
- 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
- Frontonia tchibisovae Burkovsky 1970
- Frontonia terricola Foissner 1987
- Frontonia branchiostomae Codreanu 1928
- Frontonia curva Fromentel 1876
- Frontonia depressa Stokes 1886
- Frontonia cypraea Zacharias 1904
- Frontonia elliptica Beardsley 1902
- Frontonia dubia Foissner 1980
- Frontonia elongata Burkovsky 1970
- Frontonia lurida Blochmann 1895
- Glaucoma dragescui Corliss 1971
- Glaucoma ficaria Kahl 1926
- Glaucoma flexile Penard 1922
- Glaucoma elongata Fromentel 1874
- Glaucoma gigantea Grandori & Grandori 1934
- Glaucoma frontata Stokes 1886
- Glaucoma laterimarginata Dumas 1930
- Glaucoma hyalina Wang & Nie 1932
- Glaucoma maupasi Kahl 1926
- Glaucoma limbata Dumas 1930
- Glaucoma macrostoma Schewiakoff 1889
- Glaucoma myriophylli Penard 1922
- Glaucoma parasiticum Penard
- Glaucoma rubescens Penard 1922
- Glaucoma reniforme Schewiakoff 1892
- Glaucoma sagitta Kahl 1926
- Glaucoma scintillans Ehrenberg 1830
- Glaucoma subrotondata Dumas 1930
- Glaucoma sinuosa Dumas 1937
- Glaucoma spumosa Penard 1922
- Glaucoma terricola Gellert 1957
- Glaucoma wrzesniowskii Mereschkowsky 1879
- Glaucoma vorax Kidder, Lilly & Claff 1940
- Frontonia vacuolata Dragesco 1960