Species (1.195)
- Haplocaulus sertulariarum Entz 1884
- Haplocaulus stilleri Piesik 1975
- Haplocaulus walteri Guhl 1985
- Haplocaulus terrenus Foissner 1981
- Hastatella aesculacantha Jarocki & Jacubowska 1927
- Hastatella microradians Gelei 1954
- Hastatella radians Erlanger 1890
- Haplocaulus amphibiarum Banina 1982
- Haplocaulus amphiurae Cuénot 1891
- Haplocaulus brehmi Lüpkes 1975
- Haplocaulus carinogammari Stiller 1963
- Haplocaulus claudicans Penard 1922
- Haplocaulus conosomus Stokes 1889
- Haplocaulus crassicaulis Kent 1881
- Haplocaulus distinguendus Sommer 1951
- Haplocaulus dipneumon Penard 1922
- Haplocaulus eforianus Tucolesco 1962
- Haplocaulus elegans Nenninger 1948
- Haplocaulus epizoicus Sramek-Husek 1948
- Haplocaulus extensus Kahl 1935
- Haplocaulus furcellariae Precht 1935
- Haplocaulus fluviatilis Shubernetskij & Chorik 1977
- Gerda glans Claparède & Lachmann 1858
- Gerda vernalis Stokes 1887
- Gerda picta Kent 1882
- Heliochona scheuteni Stein 1854
- Heliochona sessilis Plate 1889
- Haplocaulus leanderi Stiller 1968
- Haplocaulus longinuclei Banina 1982
- Helichona sessilis Plate 1888
- Heterochona scheutenii Stein 1854
- Heteropolaria horizontalis Jankowski 1985
- Heteropolaria lwoffi Faure-Fremiet 1943
- Intranstylum eismondi Kahl 1935
- Intranstylum asellicola Kahl 1935
- Intranstylum rhabdostyla Eismond 1895
- Intranstylum macrostylum D'Udekem 1862
- Intranstylum simulans Plate 1886
- Intranstylum steini Wrzesniowski 1877
- Intranstylum aselli
- Pseudocarchesium erlangense Nenninger 1948
- Pseudocarchesium claudicans Penard 1922
- Pseudocarchesium aselli Sommer 1951
- Apiosoma poteriforme Timofeev 1962
- Platycola baicalica Swarczewsky 1930
- Platycola bicolor
- Platycola decumbens Ehrenberg 1830
- Platycola coelochila Stokes 1887
- Platycola donsi Kahl 1933
- Platycola bütschlii Nüsslin 1884
- Platycola gracilis Fromentel 1874
- Platycola hydrobiae Hofker 1930
- Platycola longicollis Kent 1882
- Platycola mollis Fromentel 1874
- Platycola nigra Wailes 1928
- Platycola reflexa Mermod ?
- Platycola pala Swarczewsky 1930
- Platycola steineri Penard 1914
- Platycola regularis Fromentel 1874
- Platycola truncata Fromentel 1874
- Platycola tincta Fromentel 1874
- Platycola striata Fromentel 1874
- Platycola amphora Swarczewsky 1930
- Platycola ampulla Fromentel 1874
- Platycola aurita
- Pseudohaplocaulus infravacuolatus Foissner & Brozek 1996
- Pseudohaplocaulus anabaenae Stiller 1940
- Pseudohaplocaulus nicoleae Precht 1935
- Pseudothuricola dionyisi Penard 1914
- Pseudovorticella chlamydophora Penard 1922
- Pseudovorticella margaritata Fromentel 1876
- Pseudovorticella mutans Penard 1922
- Pseudovorticella pseudocampanula Foissner 1979
- Pseudovorticella sauwaldensis Foissner & Schiffmann 1979
- Pseudovorticella quadrata Foissner 1979
- Pseudovorticella sphagni Foissner & Schiffmann 1974
- Pseudovorticella vestita Stokes 1883
- Rhabdostyla arborea Greef 1888
- Rhabdostyla arenicolae Fabre-Domergue 1888
- Rhabdostyla bosminae Levander 1907
- Rhabdostyla commensalis Möbius 1888
- Rhabdostyla chironomi Kahl 1933
- Rhabdostyla congregata Zacharias 1903
- Rhabdostyla discostyla Svec 1897
- Rhabdostyla conipes Kahl 1935
- Rhabdostyla cyclopis Kahl 1935
- Rhabdostyla cylindrica Stiller 1933
- Rhabdostyla dubia Foissner 1979
- Rhabdostyla ephemerae Kahl 1935
- Rhabdostyla hungarica Stiller 1931
- Rhabdostyla fromenteli Kent 1881
- Rhabdostyla inclinans Müller 1773
- Rhabdostyla invaginata Stokes 1886
- Rhabdostyla limnophili Kahl 1935
- Rhabdostyla libera Kahl 1933
- Rhabdostyla longipes Kent 1881
- Rhabdostyla muscorum Kahl 1935
- Rhabdostyla lumbriculi Penard 1922
- Rhabdostyla nebulifera Fromentel 1874
- Rhabdostyla pyriformis Perty 1852