Species (1.675)
- Oxytricha inquieta Stokes 1887
- Oxytricha islandica Berger & Foissner 1989
- Oxytricha lacrimula Dumas 1929
- Oxytricha lacerata Dumas 1929
- Oxytricha lanceolata Shibuya 1930
- Oxytricha lamella Perty 1852
- Oxytricha longa Gelei & Szabados 1950
- Oxytricha lepus Müller 1773
- Oxytricha longi-caudata Wright 1862
- Oxytricha longicirrata Kahl 1932
- Oxytricha longigranulosa Berger & Foissner 1989
- Oxytricha longipes Dumas 1930
- Oxytricha ludibunda Stokes 1891
- Oxytricha marina Kahl 1932
- Oxytricha luteolucens Dumas 1937
- Oxytricha macrostyla Wrzesniowski 1870
- Oxytricha merula Fromentel 1874
- Oxytricha monspessulana Chatton & Seguela 1940
- Oxytricha multipes Claparède & Lachmann 1858
- Oxytricha protensa Perty 1852
- Oxytricha pseudosimilis Hemberger 1985
- Oxytricha pubes Müller 1773
- Oxytricha pullaster Müller 1773
- Oxytricha retractilis Claparède & Lachmann 1858
- Oxytricha rostrata Dumas 1930
- Oxytricha rubripuncta Berger & Foissner 1987
- Oxytricha salmastra Dragesco & Dragesco-Kernéis 1986
- Oxytricha quercineti Lepsi 1948
- Oxytricha saprobica Kahl 1932
- Oxytricha selvatica Hemberger 1985
- Oxytricha similis Engelmann 1862
- Oxytricha setigera Stokes 1891
- Paraholosticha lichenicola Gellert 1955
- Paraholosticha polychaeta Borror 1966
- Paraholosticha nana Gellert 1955
- Paraholosticha ovata Horvath 1933
- Paraholosticha vitrea Vörösvary 1950
- Paramphisiella caudata Hemberger 1985
- Parastrongylidium oswaldi Aescht & Foissner 1992
- Parastylonychia pleuneouri Dragesco 1963
- Pelagotrichidium faurei Tuffrau 1972
- Pelagotrichidium tisiae Gelei 1929
- Periholosticha acuminata Hemberger 1985
- Periholosticha lanceolata Hemberger 1985
- Perisincirra gracilis Foissner 1982
- Paraurostyla dispar Kahl 1932
- Paraurostyla enigmatica Dragesco & Dragesco-Kernéis 1986
- Paraurostyla fossicola Kahl 1932
- Paraurostyla buitkampi Foissner 1982
- Paraurostyla gibba Müller 1786
- Paraurostyla granulifera Berger & Foissner 1989
- Paraurostyla latissima Dragesco 1970
- Paruroleptus notabilis Foissner 1982
- Pattersoniella vitiphila Foissner 1987
- Paraurostyla hymenophora Stokes 1886
- Paraurostyla macrostoma Foissner 1982
- Paraurostyla naumanni Lepsi 1935
- Paraurostyla marina Kahl 1932
- Paraurostyla polynucleata Alekperov 1993
- Paraurostyla pulchra Buitkamp 1977
- Paraurostyla rubra Andrussowa 1886
- Paraurostyla terricola Buitkamp 1977
- Paraurostyla viridis Stein 1859
- Paraurostyla weissei Stein 1859
- Paruroleptus muscorum Kahl 1932
- Paruroleptus musculus Kahl 1932
- Perisincirra paucicirrata Foissner, Agatha & Berger 2002
- Actinotricha hyalina Perejaslawzewa 1885
- Alastor polyporum Perty 1852
- Alloiozona triozona Hsiung 1930
- Allotricha mollis Sterki 1878
- Actinotricha saltans Cohn 1866
- Apoamphisiella tihanyiensis Géllert & Tamás 1958
- Aspidisca antarctica Corliss & Snyder 1986
- Aspidisca angulata Bock 1952
- Aspidisca bengalensis Ghosh 1921
- Aspidisca bicornis Dumas 1929
- Aspidisca baltica Kahl 1932
- Aspidisca binucleata Kahl 1932
- Aspidisca bipartita Gourret & Roeser 1886
- Aspidisca costata Dujardin 1841
- Aspidisca caudata Vacelet 1961
- Aspidisca crenata Fabre-Domergue 1885
- Aspidisca denticulata Ehrenberg 1833
- Aspidisca dentata Kahl 1928
- Aspidisca fjeldi Dragesco 1960
- Aspidisca fusca Kahl 1928
- Aspidisca glabra Kahl 1928
- Aspidisca fuscoides Agamaliev 1975
- Aspidisca herbicola Kahl 1932
- Aspidisca hexeris Quennerstedt 1869
- Aspidisca hyalina Dragesco 1960
- Aspidisca irinae Burkovsky 1970
- Aspidisca leptaspis Fresenius 1865
- Aspidisca longipes Dumas 1937
- Aspidisca lyncaster Müller 1776
- Aspidisca magna Kahl 1932
- Aspidisca mutans Kahl 1932
- Aspidisca marsupialis Penard 1922
- Aspidisca orthopogon Deroux & Tuffrau 1965