Species (22.489)
- Thylakidium truncatum Schewiakoff 1893
- Tetrahymena pyriformis-Komplex
- Tillina magna Gruber 1879
- Tintinnidium fluviatile Stein 1863
- Tokophrya carchesi
- Trichoda musculus
- Trimyema compressum sensu Kahl 1933
- Trichospira inversa Claparède & Lachmann 1859
- Trichodina pediculus Müller 1773
- Trithigmostoma pituitosum Foissner 1979
- Trochilioides fimbriatus Foissner 1984
- Urceolaria mitra Siebold 1850
- Urocentrum mülleri
- Urolentus filum Ehrenberg 1833
- Acineta tripharetrata
- Euplotes patella Kahl 1932 ssp. planctonicus
- Uroleptus cattulus
- Uronema marinum Dujardin 1841
- Urostyla franzi Foissner 1982
- Urosomoida longa
- Urostyla weissi Stein 1859
- Urostyla weissii
- Urotricha armata Dragesco 1960
- Vaginicola crystallina Ehrenberg 1830
- Vibrio proteus
- Vorticella appuntata sensu Penard 1922
- Vorticella abreviata Keiser 1921
- Vorticella constricta Dumas 1874
- Calpionella massutiniana
- Calpionellites lata
- Holophrya spirogyrophaga Leipe 1989
- Crassicollaria massutiniana
- Crassicollaria parvula
- Epistylis kolbi
- Enchelys farcimen Müller 1773
- Colpodidium viride Mirabdullaev 1986
- Epistylis sommerae
- Euplotes moebiusi Kahl 1932 ssp. quadricirratus
- Euplotes muscicola Kahl 1932 ssp. muscicola
- Zoothamnium nanum Kahl 1933
- Zoothamnium nutans Claparède & Lachmann 1858
- Zoothamnium niveum Ehrenberg 1831
- Zoothamnium parasita Stein 1854
- Zoothamnium parasitica sensu D'Udekem 1862
- Zoothamnium parasiticum Stein 1859
- Zoothamnium pelagicum Du Plessis 1891
- Zoothamnium perejaslawzewae Kahl 1933
- Zoothamnium pictum Ehrenberg 1838
- Zoothamnium plicatum Gourret & Roeser 1886
- Zoothamnium plumosum sensu Perejaslawzewa 1885
- Amphileptus anser 1838
- Acineria punctata Song & Wilbert 1989
- Amphileptus carchesii Stein 1867
- Amphileptus falcatus Song & Wilbert 1989
- Amphileptus meleagris sensu Claparède & Lachmann 1861
- Amphileptus fusidens Kahl 1926
- Amphisiella dorsicirrata Foissner 1981
- Amphisiella gellerti
- Aspidisca cicada Müller 1786
- Aspidisca lynceus Müller 1773
- Blepharisma hyalinum Perty 1852
- Apiosoma tintinnabulum Kent 1881
- Blepharisma lateritia Ehrenberg 1831
- Blepharisma ovatum Penard 1884
- Trachelophyllum lineare Lepsi 1960
- Blepharisma persicinum Perty 1849
- Chilodon cucullus Möbius 1834
- Chilodon cucullulus Müller 1786
- Chilodonella cucullata
- Chilodonella cucullula
- Chilodontopsis planicaudata Song & Wilbert 1989
- Chilodonella uncinata Ehrenberg 1838
- Chilodonella cucullus
- Onychodromopsis tihanyiensis Géllert & Tamás 1958
- Cinetochilum margaritaceum Ehrenberg 1830
- Cohnilembus fusiformis Kahl 1926
- Climacostomum virens Ehrenberg 1833
- Colpoda cucullus Müller 1773
- Cothurnia crystallina Entz
- Conchophthirus magna
- Condylostoma caudatum Lauterborn 1908
- Cothurnia patula Fromentel 1876
- Cristigera phoenix Penard 1922
- Cyclidium elongatum Claparède & Lachmann 1859
- Dendrocometes paradoxus Stein 1852
- Cyclidium radians
- Diaxonella trimarginata Jankowski 1979
- Dileptus anser Müller 1773
- Dileptus jonesi Dragesco 1963
- Drepanomonas exigua Penard 1922
- Oxitricha volutator Müller 1786
- Gastrostyla opisthoclada
- Enchelis caudata Müller 1786
- Dysteria minuta
- Enchelyodon geleii sensu Foissner 1981
- Enchelis viridis
- Enchelys nebulosa Müller 1773
- Haptophrya planariarum Siebold 1839
- Leucophra lumbrici Schrank 1803
- Litonotus duplocarinatus