Species (15.149)
- Trichodina mutabilis Kozubsky & Migala 1968
- Trichodina myicola
- Trichodina nigra Lom 1960
- Trichodina nobilis Chen 1963
- Plesiocaryon elongatum Schewiakoff 1892
- Trichodina pagoda
- Trichodina scoloplontis
- Trichodina ranae Cunha 1950
- Trichodina salmonicida
- Euplotopsis labiatus Ruinen 1938
- Trichodina wulai
- Plagiocampa bitricha Foissner 1999
- Plagiopyla megastomum
- Arcuospathidium namibiense Foissner, Agatha & Berger 2002
- Bryometopus pseudoichilodon
- Pseudovorticella patellina Müller 1776
- Craspedophrya rotunda Hentschel 1916 ssp. rotunda
- Fragmocirrus espeletiae Foissner 2000
- Fungiphrya stobili Foissner 1999
- Gastronauta runcina Wilbert 1974
- Gigantothrix herzogi Foissner 1999
- Glaucoma mannari
- Blepharisma bimicronucleata
- Blepharisma parasalinarum Dragesco 1996
- Tokophrya brachyosoma ssp. mucosa
- Caenomorpha medusula Kahl 1927 ssp. lata
- Aegyria fluviatilis
- Aegyria monostyla
- Aegyria oliva sensu Rees 1884
- Aegytia oliva Claparède & Lachmann 1859
- Aglenophrya steinii
- Acoelophthirius acronifer
- Acomia costata
- Acomia ovalis
- Acomia cyclidium
- Acomia inflata
- Acomia ovata
- Acomia vitrea
- Acomia ovulum
- Acomia varians
- Actinorhabdos trichocystifera Foissner 1984
- Actinorhabdos trichocystiferrus Foissner 1984
- Actinorhabdos trichocystiferus Foissner 1984
- Actinotricha hyalin
- Acyclochaeta urinicola
- Oxytricha pustulata Ehrenberg
- Chilodonella dentata Fouque 1876
- Bursaria virens
- Aspidisca aculeata Ehrenberg 1838
- Aspidisca aculeata Mansfeld 1926
- Chilodonella hyalina Srámek-Husek 1952
- Chilodonella hyalina Kidder & Summers 1935
- Cinetochilum marinum Pomp & Wilbert 1988
- Askenasia elegans Blochmann 1895
- Arcuospathidium bulli Foissner 2000
- Arcuospathidium vlassaki Foissner 2000
- Apsiktrata gracilis Penard 1922
- Cardiastomatella mononucleata Dragesco 1963
- Balantidium caviae Neiva, Cunha & Travassos 1914
- Bursaria caudata Dragesco 1972
- Atelepithes misellum Deroux 1976
- Brachionus tuberosus Pallas 1766
- Gastrostyla vorax Nussbaum 1886
- Amphileptus cygnus Claparède & Lachmann 1859
- Acomia vorticella
- Actinobolus sulcatus
- Actinobolus aculeatus
- Coccudina cicada
- Coccudina cimex
- Coccudina keronina
- Coccudina reticulata
- Codonaria cistellula Fol 1884
- Codonella acutula
- Codonella brevicaudata
- Codonella biedermanni
- Codonella campanella
- Codonella campanula
- Codonella craterna
- Codonella ecaudata
- Codonella lagenula
- Coccudina crassa
- Coccudina polypoda
- Climacostomum virens Ehrenberg 1833 ssp. virens
- Codonella ventricosa ssp. ventricosa
- Codonellopsis hainanensis
- Coenomorpha medusula
- Coelosomides tessieri Dragesco 1954
- Cohnilembus anguilla
- Cohnilembus vermius
- Coleps latus
- Collinia beringensis
- Colomiella coahuilensis
- Colomiella semiloricata
- Colomisphaera fibrata
- Colomisphaera cieszynica
- Colomisphaera ornata
- Colomisphaera minutissima Colom 1935
- Colomisphaera pulla
- Colpidium colpidium
- Colpidium steinii