Species (22.489)
- Dinomonas vorax Kent ()
- Plagiopyxis vuattouxi Bonnet
- Bythinella austriaca ssp. austriaca
- Guttulinopsis vulgaris Olive 1901
- Monas vulgaris Cienkowski ()
- Entamoeba dispar
- Malamoeba scolyti
- Nosema typographi Weiser 1955
- Trichomonas vaginalis Donne 1837
- Acanthamoeba lugdunensis
- Hartmannella cantabrigiensis
- Acanthamoeba rhysodes
- Unikaryon montanum Weiser, Wegensteiner & Zdenek 1998
- Tetramitus sulcatus Klebs ()
- Entosiphon sulcatum Dujardin ()
- Geopyxella sylvicola Bonnet & Thomas 1955
- Nodosaria capitata ssp. capitata
- Thecamoeba terricola Greeff 1866
- Spironema terricola Foissner & Foissner 1993
- Herpetomonas terricolae Fantham ()
- Bodo terricolus Martin ()
- Didascalus thorntoni Singh 1952
- Naegleria thorntoni Singh 1952
- Diplochlamys timida Penard 1909
- Hyalosphenia tincta
- Lamtopyxis travei Bonnet 1977
- Bodo trangularis Stokes ()
- Lamtopyxis trifoliata Bonnet
- Hyalosphenia triquetra Imhof 1895
- Cyathomonas truncata Ehrenberg ()
- Difflugia tuberculata
- Prowazekia turkestanica Yakimoff & Zeren ()
- Spiroplecta attenuata ssp. attenuata
- Chromulina verrucos Klebs ()
- Hartmanella vermiformis Page 1967
- Euglena velata Klebs ()
- Trinema verucosum
- Trichamoeba villosa Wallich 1863
- Amphizonella violacea Greeff 1866
- Cercobodo vibrans Sandon ()
- Euglena viridis Ehrenberg ()
- Ascoglena vaginicola ssp. vaginicola
- Eutreptia viridis Perty ()
- Difflugia lobostoma ssp. lobostoma
- Mastigella vitrea Goldschmidt ()
- Arcella vulgaris Ehrenberg 1830
- Trichomonas buccalis
- Trichomonas gallinae
- Trichomonas hominis Davaine 1860
- Tritrichomonas suis
- Tritrichomonas equi
- Pentatrichomonas hominis
- Trypanosoma vivax
- Trypanosoma evansi
- Trypanosoma melophagium
- Pentatrichomonas gallinarum
- Trypanosoma theileri
- Trypanosoma simiae
- Tetratrichomonas ovis
- Trypanosoma congolense
- Trypanosoma rangeli
- Entamoeba gallinarum
- Leishmania braziliensis
- Leishmania tropica ssp. major
- Leishmania mexicana ssp. pifanoi
- Leishmania mexicana ssp. amazonensis
- Leishmania donovani ssp. donovani
- Leishmania donovani ssp. chagasi
- Leishmania donovani ssp. infantum
- Malpighamoeba mellificae
- Entamoeba bovis
- Iodamoeba buetschli Prowazek 1912
- Entamoeba suis
- Leishmania tropica ssp. minor
- Leishmania peruviana
- Leishmania mexicana ssp. mexicana
- Tritrichomonas foetus
- Balamuthia mandrillaris
- Entamoeba polecki
- Entamoeba anatis
- Entamoeba invadens
- Vorticialis commune
- Wagnerella cylindroconica
- Wanaea fimbriata
- Wilczekia evelinae
- Willaertia magna
- Woletzina gaurdakensis
- Woletzina cylindrica
- Woletzina irregularis
- Woletzina jurassica
- Xanthidium aculeatum
- Xanthidium armatum
- Xanthidium artiscon
- Xanthidium cristatum
- Xanthidium fasciculatum
- Xanthidium brebissonii
- Xanthidium smithii
- Xanthodiscus lauterbachi
- Xenocococcus laminaiae
- Gonyaulax jurassica ssp. jurassica