Species (22.489)
- Uronema acuminata Kahl 1926
- Uronema schewiakowii Kahl 1926
- Disematostoma bütschli Kahl 1926 ssp. minor
- Disematostoma buetschli Lauterborn 1894 ssp. buetschli
- Cristigera fusiformis Penard
- Ctedoctema acanthocrypta Kahl 1926 ssp. brevivelata
- Microthorax auricula Fabre Dom.
- Condylostoma rostratum Kahl 1926
- Condylostoma ovum Kahl 1926
- Spirostomum ambiguum Roux ssp. major
- Spirostomum ambiguum Kahl 1932 ssp. inflatum
- Spirostomum teres ssp. teres
- Spirostomum teres Kahl 1926 ssp. crassum
- Blepharisma elongata Stokes
- Metopus sigmoides Kahl 1927 ssp. es
- Metopus sigmoides Kahl 1927 ssp. pinguis
- Metopus bothrostoma Kahl 1927 ssp. longior
- Metopus bacillatus McMunnich ssp. striatus
- Metopus bacillatus Kahl 1927 ssp. prominens
- Metopus bacillatus Kahl 1927 ssp. pyriformis
- Caenomorpha levandri Kahl 1927
- Blepharisma musculus Kahl 1927 ssp. utriculariae
- Lagynophrya mutans Kahl 1927 ssp. mutans
- Lagynophrya mutans Kahl 1927 ssp. conifera
- Holophrya mamillata Kahl 1927
- Holophrya collaris Kahl 1926
- Holophrya helenae Andre 1915
- Bryophyllum lieberkühni Kahl 1931
- Lionotus procera Penard 1922
- Lionotus pleurosigma Stokes 1884
- Prorodon nucleatus sensu Penard 1922
- Lionotus similis Ghosh 1921
- Lionotus marina Kahl 1931
- Lionotus meleagris Ehrenberg 1838
- Lionotus muscicola Kahl 1931
- Lionotus rotunda Kahl 1931
- Lionotus branchiarum Wenrich 1924
- Lionotus pectinata Kahl 1926
- Lionotus impatiens Penard 1922
- Lionotus bivacuolata Kahl 1931
- Lionotus gandolfi Andre 1914
- Lionotus aselli Kahl 1931
- Lionotus fusidens Kahl 1926
- Lionotus punctata Kahl 1926
- Lionotus agilis Penard 1922
- Lionotus pictus
- Lionotus cygnus Müller 1776
- Lionotus duplostriatus Maupas 1883
- Lionotus armillatus Penard 1922
- Lionotus trichocystus Stokes 1885
- Lionotus cariantus Stokes 1885
- Lionotus lamella Ehrenberg
- Lionotus anguilla Kahl 1931
- Lionotus triqueter Penard 1922
- Lionotus fasciola
- Lionotus hirundo Penard 1922
- Lionotus muscorum Kahl 1931
- Morgania caryoclada Kidder 1933
- Uronema socialis sensu Powers 1933
- Lecanophrya crassimarginata Kahl 1934
- Paracineta dadayi Kahl 1934
- Paracineta möbiusi Kahl 1934
- Corynophrya marina Andrussowa 1886
- Corynophrya conipes Mereschkowsky 1877
- Corynophrya macropus Meunier 1910
- Corynophrya lyngbyei Ehrenberg 1838
- Acineta pulchra Kahl 1934
- Zosterodasys bryophilus
- Tracheloraphis filiformis Dragesco 2002
- Tracheloraphis exilis Dragesco 2002
- Acineta collini Kahl 1934
- Trachelocerca bodiani Dragesco 1963
- Trachelocerca stephani Dragesco 1965
- Bryometopus triquetus
- Dileptus anguilla Kahl 1931
- Metopus contortus ssp. lev.
- Notocephalus parvulus Corliss & Snyder 1986
- Prorodon arenicola Kahl 1933
- Sathrophilus arenicolus Dragesco 2002
- Trachelocerca gigas
- Trachelocerca ditis Wright 1982
- Vorticella ascoideum Lindner
- Telotrochidium matthaii Gulati 1926
- Opisthonecta henneguyi Gelei 1954
- Gerda caudata Phillips 1883
- Ophrydium caudatum Phillips 1883
- Ophrydium caudata Phillips 1883
- Hausmanniella discoides Gellert 1956
- Hastatella radians Stiller 1971 ssp. monilata
- Cranotheridium foliosus Foissner 1983
- Cohnilembus caeci Powers 1935
- Entodiscoides sabulonis Powers 1935
- Bryometopus sphagni sensu Groliere 1977
- Tachysoma persincirra sensu Hemberger 1985
- Amphileptus rotundus Kahl 1926
- Lionotus lamella Kahl 1926 ssp. rotundus
- Blepharisma coerulea Gajevskaja 1927
- Dileptus anser sensu Kahl 1931
- Discomorpha lauterborni Wetzel 1928
- Strongylidium muscorum sensu Foissner