Species (22.489)
- Trichoda vestianella
- Trichoderum eurystoma
- Trichoderum sp.
- Trichoderum sphagnetorum
- Trichodina algonquinensis
- Trichodina acuta Lom 1961
- Trichodina acarus
- Trichodina auerbachii
- Trichodina balakrishnia
- Trichodina canton
- Trichodina centrostrigeata
- Trichodina xenopodos
- Trichodina digitodiscus -
- Trichodina domerguei Wallengren 1897 ssp. domerguei
- Gastrostyla bavariensis Foissner, Agatha & Berger 2002
- Trichodina domergui Wallengren 1897
- Trichodina entzii
- Trichodina faurefremieti
- Trichodina jadranica Lom & Laird 1969
- Trichodina kazubski
- Trichodina luba
- Trichodina macomarum
- Trichodina magna
- Trichodina mandarin
- Trichodina maritinkae
- Trichodina matsu
- Trichodina migala
- Trichodina modesta Lom 1970
- 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
- Cristellaria italica ssp. italica
- Arcuospathidium namibiense Foissner, Agatha & Berger 2002
- Bryometopus pseudoichilodon
- Pseudovorticella patellina Müller 1776
- Cristellaria depauperata ssp. depauperata
- Craspedophrya rotunda Hentschel 1916 ssp. rotunda
- Fragmocirrus espeletiae Foissner 2000
- Fungiphrya stobili Foissner 1999
- Gastronauta runcina Wilbert 1974
- Gigantothrix herzogi Foissner 1999
- Glaucoma mannari
- Gregarina capitellae
- Gregarina lumbric.
- 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