Allotricha Sterki, 1878 (basis of record)
Allotricha antarctica Berger, 1999 (original description)
Allotricha mollis Sterki, 1878 (basis of record)
Ancystropodium Fauré-Fremiet, 1907 (basis of record)
Ancystropodium maupasi Fauré-Fremiet, 1907 (basis of record)
Apoamphisiella Foissner, 1997 (basis of record)
Apoamphisiella hymenophora (Stokes, 1886) Berger, 1999 (basis of record)
Apoamphisiella tihanyiensis (Gellért & Tamás, 1958) Foissner, 1997 (basis of record)
Australocirrus Blatterer & Foissner, 1988 (basis of record)
Australocirrus oscitans Blatterer & Foissner, 1988 (basis of record)
Coniculostomum Njiné, 1979 (basis of record)
Coniculostomum indica (Ammermann, Sapra & Schlegel, 1987) Berger, 1999 (new combination reference)
Coniculostomum monilata (Dragesco & Njine, 1971) Njine, 1979 (basis of record)
Cyrtohymena Foissner, 1989 (basis of record)
Cyrtohymena aestuarii (Margalef López, 1945) Berger, 1999 (new combination reference)
Cyrtohymena australis Foissner, 1995 (basis of record)
Cyrtohymena candens (Kahl, 1932) Foissner, 1989 (basis of record)
Cyrtohymena citrina (Berger & Foissner, 1987) Foissner, 1989 (basis of record)
Cyrtohymena gracilis (Kahl, 1932) Foissner, 1989 (basis of record)
Cyrtohymena granulata (Kahl, 1932) Foissner, 1989 (basis of record)
Cyrtohymena marina (Kahl, 1932) Foissner, 1989 (additional source)
Cyrtohymena muscorum (Kahl, 1932) Foissner, 1989 (basis of record)
Cyrtohymena primicirrata (Berger & Foissner, 1987) Foissner, 1989 (basis of record)
Cyrtohymena sapropelica (Kahl, 1932) Foissner, 1989 (basis of record)
Cyrtohymena torrenticola (Šrámek-Hušek, 1957) Foissner, 1989 (basis of record)
Engelmanniella Foissner, 1982 (basis of record)
Gastrostyla Engelmann, 1862 (basis of record)
Gastrostyla (Stylonychia) (basis of record)
Gastrostyla dorsicirrata Foissner, 1982 (basis of record)
Gastrostyla minima Hemberger, 1985 (basis of record)
Gastrostyla muscorum Kahl, 1932 (basis of record)
Gastrostyla mystacea (Stein, 1859) Sterki, 1878 (basis of record)
Gastrostyla setifera (Engelmann, 1862) Kent, 1882 (basis of record)
Gastrostyla stenocephala (Borror, 1963) Borror, 1972 (additional source)
Gonostomum Sterki, 1878 (basis of record)
Gonostomum affine (Stein, 1859) Sterki, 1878 (basis of record)
Gonostomum kuehnelti Foissner, 1987 (basis of record)
Gonostomum strenuum (Engelmann, 1862) Sterki, 1878 (additional source)
Hemigastrostyla Song & Wilbert, 1997 (basis of record)
Hemigastrostyla enigmatica (Dragesco & Dragesco-Kernéis, 1986) Song & Wilbert, 1997 (additional source)
Hemigastrostyla stenocephala (Borror, 1963) Song & Wilbert, 1997 (basis of record)
Hemisincirra Hemberger, 1985 (original description)
Hemiurosoma polynucleatum (Foissner, 1984) Foissner, Agatha & Berger, 2002 (new combination reference)
Histriculus Corliss, 1960 (basis of record)
Histriculus complanatus (Stokes, 1887) Corliss, 1960 (basis of record)
Histriculus histrio (Müller, 1773) Corliss, 1960 (basis of record)
Histriculus minimus (Grolière, 1975) Berger & Foissner, 1997 (basis of record)
Histriculus sphagni (Stokes, 1891) Corliss, 1960 (basis of record)
Histriculus vorax (Stokes, 1891) Corliss, 1960 (basis of record)
Histrio Sterki, 1878 accepted as Histriculus Corliss, 1960 (basis of record)
Histrio histrio (Müller, 1786) Stein, 1859 accepted as Histriculus histrio (Müller, 1773) Corliss, 1960 (basis of record)
Kerona Müller, 1786 (basis of record)
Kerona pediculus (Müller, 1773) Blochmann, 1886 (basis of record)
Laurentiella Dragesco & Njine, 1971 (basis of record)
Laurentiella Strenua (Dingfelder, 1962) Berger & Foissner, 1989 (basis of record)
Neokeronopsis Warren, Fyda & Song, 2002 (basis of record)
Neokeronopsis spectabilis (Kahl, 1932) Warren, Fyda & Song, 2002 (basis of record)
Notohymena Blatterer & Foissner, 1988 (basis of record)
Notohymena antarctica Foissner, 1996 (basis of record)
Notohymena australis (Foissner & O'Donoghue, 1990) Berger, 1999 (new combination reference)
Notohymena rubescens Blatterer & Foissner, 1988 (basis of record)
Notohymena selvatica (Hemberger, 1985) Blatterer & Foissner, 1988 (basis of record)
Onychodromopsis Stokes, 1887 (basis of record)
Onychodromopsis flexilis Stokes, 1887 (basis of record)
Onychodromopsis kahli Šrámek-Hušek, 1957 (basis of record)
Onychodromus Stein, 1859 (basis of record)
Onychodromus grandis Stein, 1859 (additional source)
Onychodromus quadricornutus Foissner, Schlegel & Prescott, 1987 (additional source)
Oxytricha Bory de Saint-Vincent, 1824 (basis of record)
Oxytricha (Histrio) (basis of record)
Oxytricha (Opisthotricha) (basis of record)
Oxytricha (Opisthotricha) euglenivora Kahl, 1932 represented as Oxytricha euglenivora Kahl, 1932 (basis of record)
Oxytricha (Steinia) (basis of record)
Oxytricha aeruginosa Wrzesniowskiego, 1866 (basis of record)
Oxytricha alfredi Berger, 1999 (original description)
Oxytricha alfredkahli Foissner, 1987 (basis of record)
Oxytricha auripunctata Blatterer & Foissner, 1988 (basis of record)
Oxytricha balladyna Song & Wilbert, 1989 (basis of record)
Oxytricha bimembranata Shibuya, 1929 (basis of record)
Oxytricha chlorelligera Kahl, 1932 (basis of record)
Oxytricha crassistilata Kahl, 1932 (basis of record)
Oxytricha discifera Kahl, 1932 (basis of record)
Oxytricha durhamiensis Berger, 1999 (original description)
Oxytricha elongata (Smith, 1897) Kahl, 1932 (basis of record)
Oxytricha enigmatica Dragesco & Dragesco-Kernéis, 1986 (basis of record)
Oxytricha euglenivora Kahl, 1932 (basis of record)
Oxytricha fallax Stein, 1859 (basis of record)
Oxytricha faurei Tucolesco, 1962 (basis of record)
Oxytricha fromenteli Foissner, 1987 (basis of record)
Oxytricha geleii (Wilbert, 1986) Berger, 1999 (new combination reference)
Oxytricha granulifera Foissner & Adam, 1983 (basis of record)
Oxytricha granulosa Schmitz, 1986 (basis of record)
Oxytricha halophila Kahl, 1932 (basis of record)
Oxytricha hymenostoma Stokes, 1887 (basis of record)
Oxytricha islandica Berger & Foissner, 1989 (basis of record)
Oxytricha kahlovata Berger, 1999 (original description)
Oxytricha lanceolata Shibuya, 1930 (basis of record)
Oxytricha longa Gelei & Szabados, 1950 (basis of record)
Oxytricha longicirrata Kahl, 1932 (basis of record)
Oxytricha longigranulosa Berger & Foissner, 1989 (basis of record)