Species (15.149)
- Haptophrya plethodonis
- Helellophrya rhizodrili Kaczanowski 1961
- Epalxis mimetica Penard
- Hemiophrys bivacuolata ssp. polysaprobica
- Hemiophrys bivacuolata ssp. typica
- Cyclotrichium cyclocaryon
- Didinium balbianii Fabre-Domergue 1888 ssp. balbianii
- Himantopus larva Müller
- Dileptus gigas ssp. varsaviensis
- Holosticha thiophaga Kahl 1928
- Loxodes magnus Kahl 1931 ssp. fascicola
- Stichospira paradoxa ssp. univacuolata
- Stichospira paradoxa ssp. paradoxa
- Cothurnia buetschli
- Psilotricha bicaudata ssp. sinstrocaudata
- Cristigera setosa Kahl 1933 ssp. quinquecincta
- Epalxis penardi Wetzel 1928
- Loxophyllum lionotiforme ssp. plurivacuola?
- Cyclochaeta domerguei
- Epalxis triangula Kahl 1931
- Epalxis uncinata
- Epistylis anastatica Linnaeus 1767 ssp. anastatica
- Epistylis anastatica ssp. spissa
- Loxophyllum rostratum ssp. palustris
- Loxophyllum utriculariea
- Luminella punctata Wailes 1925
- Luxophrya limbata Maupas
- Macropodinium moiri Dehority 1996
- Maupasella cepedei ssp. castanei
- Meiostoma georhychi Sandon 1941
- Mesniella depressa
- Mesniella variabilis
- Mesodinium pulex Claparède & Lachmann 1858 ssp. pulex
- Mesogymnus interruptus Berger 1994
- Metabakuella perbella Alekperov & Mamajeva 1988
- Metacineta mystacina Rieder 1985 ssp. brevipes
- Oxytricha pusilla Kahl 1932
- Oxytricha putrina Stokes 1885
- Metaptychostomum nuclogigas Ngassam & Grain 1997
- Oxytricha rigescens Kahl 1932
- Microcardiosoma multiseta Vuxanovici 1963
- Intranstylum contrahens Faure-Fremiet 1904
- Intranstylum invaginatum ssp. cyclopi
- Isocyclidium globosum Esteban, Finlay & Embley 1993
- Keronopsis rubra ssp. heptasticha
- Lacrymaria coronata ssp. apuae
- Nitzschia sturionis
- Calicotyle kroyeri
- Lacrymaria truncatum
- Lacrymaria trilineatus
- Stichochaeta strenua sensu Gourret & Roeser 1888
- Psilotricha bicaudata ssp. bicaudata
- Steinia ovalis Reuter 1961
- Psilotricha bicaudata
- Raphanella rapunculoides
- Loxophyllum duplostriatus
- Loxophyllum contractile ssp. binucleatum
- Loxophyllum contractile ssp. polyvacuolatum
- Cryptochilum griseolum ssp. marinum
- Steinia torrenticola Sramek-Husek 1957
- Epalxis longiciliata Kahl 1926
- Stichopira paradoxa
- Loxophyllum helus Dragesco 1960 ssp. minimus
- Cryptochilidium echini
- Cristigera setosa Kahl 1933 ssp. typica
- Cristigera setosa Kahl 1933 ssp. tricincta
- Chlamydodon triquetrus Kahl 1931 ssp. major
- Loxophyllum setigerum Dragesco 1960 ssp. fibrillatum
- Loxophyllum setigerum Dragesco 1960 ssp. fibrillatus
- Manuelophrya hannae Guhl 1985
- Oxytricha vorax Stokes 1891
- Metanyctotherus vachoni
- Metopus tortus ssp. pulcher
- Metopus rectus ssp. es
- Metopides acuminatus
- Metopus pulcher Kahl 1927 ssp. tortus
- Metopus contorta
- Metopus es Kahl 1932 ssp. rectus
- Metopus minor ssp. setosus
- Microspiretta plankticola Gelei 1944
- Microcetella lappus Orpin & Mathiesen 1986
- Microchoanostoma enigmaticum Vuxanovici 1963
- Micterothrix rottalensis Busch 1948
- Inocardion orbulinaria Lapparent 1918
- Discomorpha pectinata Levander 1894 ssp. pectinata
- Isotricha bubali
- Kejvia asymmetrica Koshevoj 1987
- Keronopsis rubra ssp. pentasticha
- Falciunguis parabramis
- Laboea strobilum
- Laboea reticulatum
- Kotinia arcuata Obolkina 1995
- Laboea crassulum Leegaard 1915
- Laboea cornutum
- Kovalevaia sulcata Kovaleva 1966
- Laboea acuminatum
- Laboea capitatum
- Laboea compressum
- Laboea cornucopiae
- Lacrymaria chilense