Species (15.149)
- Elliptothigma limnodrili Meier 1954
- Donsia mirabilis Dons 1917
- Drepanomonas n.sp.
- Dysteria armata Huxely 1857
- Dysteria astyla Maskell 1887
- Dysteria navicula Kahl 1928
- Micromitra brevicauda Kahl 1933
- Micromidas hians Delphy 1938
- Micropithus simplex Kahl 1926
- Micromitra retractilis Claparède & Lachmann 1858
- Microregma binucleata Lepsi 1926
- Microregma audoboni Smith 1897
- Microregma heterostoma Beardsley 1901
- Microthorax auriculus Fabre-Domergue 1886
- Microregma ponticum Lepsi 1926
- Microthorax bidentatus Kahl 1926
- Microthorax elegans Kahl 1931
- Microthorax australis Foissner & O'Donoghue 1990
- Microthorax halotideus Penard 1922
- Microthorax glaber Kahl 1926
- Microthorax leptopharyngiformis Foissner 1985
- Microthorax pusillus Engelmann 1862
- Microthorax scutiformis Penard 1922
- Microthorax simplex Foissner 1985
- Microthorax spiniger Penard 1922
- Microthorax sulcatus Engelmann 1862
- Microthorax transversus Foissner 1985
- Microthorax simulans Kahl 1926
- Microthorax tridentatus Penard 1922
- Microthorax ungulatus Penard 1922
- Microthorax viridis Penard 1922
- Mideuplotes tegulatus Tuffrau 1960
- Microxysma acutum Deroux 1977
- Micruncus complanatus Delphy 1938
- Miculopodium cementata Hadzi 1940
- Mimophrya acula Puytorac 1969
- Mimeticus mimeticus Small & Lynn 1985
- Apiosoma minutum Chen 1961
- Mimophrya communissima Katashima 1951
- Mimophrya ovata Katashima 1951
- Mimophrya elegans Puytorac 1969
- Miracineta saifulae Mereschkowsky 1877
- Mirodysteria decora Deroux 1976
- Mirodysteria aplanata Kahl 1933
- Mironyctus madagascari Tuzet & Manier ()
- Mitophora dubia Perty 1852
- Misacineta cybisti Collin ()
- Mixtophrya catenula Puytorac 1969
- Mixotricha enigmatica Dragesco & Dragesco-Kernéis 1986
- Monodinium perrieri Delphy 1925
- Monodinium vorax nonZR
- Monodinium chlorelligerum Krainer 1995
- Monodontophrya longissime Vejdovsky 1892
- Monomastix ciliata André 1912
- Monoposthium acanthum Thurston & Noirot-Timothée 1973
- Monoposthium bracchium Van Hoven, Gilchrist & Hamilton-Attwell 1987
- Monoposthium latus Van Hoven, Gilchrist & Hamilton-Attwell 1987
- Monoposthium vulgaris Van Hoven, Gilchrist & Hamilton-Attwell 1987
- Monostylus heterotrichus Perejaslawzewa 1886
- Mrazekiella costata Kijenskij 1925
- Mrazekiella debaisieuxi Delphy 1922
- Mucophrya pelagica Gajevskaja 1928
- Mugardia salmacida Mugard 1949
- Multifasciculatum elegans Goodrich & Jahn 1943
- Multifasciculatum elongatum Claparède & Lachmann 1859
- Musajevella minima Alekperov 1984
- Muscipula sebastiani Guhl & Guhl 1994
- Muscophrya lycoperdon Penard ()
- Mycodinium pilisuctor Awerintsev 1916
- Mylestoma discoideum Penard 1922
- Mylestoma pusillum Kahl 1931
- Myrionecta rubrum Jankowski 1976
- Myxophthirus anomalocardiae Silva Neto 1992
- Myxophyllum steenstruppi Stein 1861
- Nassula aurea Ehrenberg 1833
- Nassula caudata Ozaki & Yagiu 1941
- Nassula carpathica Lepsi 1927
- Nassula citrea Kahl 1931
- Nassula concinna Perty 1852
- Nassula dentata Dujardin 1841
- Nassula discoidea Dumas 1929
- Nassula elongata Dumas 1930
- Nassula exigua Kahl 1931
- Nassula gigantea Bullington 1940
- Nassula labiata Kahl 1933
- Nassula gutturata Gajewskaja 1927
- Nassula notata Müller 1786
- Nassula rosea Tucolesco 1962
- Nassula rostrata Dumas 1930
- Nassula rotunda Gelei 1950
- Nassula rubescens Dumas 1930
- Nassula sorex Penard 1922
- Nassula terminalis Ozaki & Yagiu 1941
- Nassula terricola Foissner 1989
- Nassula transpeisonica Löffler 1979
- Nassula theresae Fabre-Domergue 1891
- Nassula tricirrata Gelei 1954 ssp. primitiva
- Nassula tumida Lepsi 1951 ssp. obscura
- Nassula vernalis Gelei & Szabados 1950
- Nassula versicolor Andre 1916