English
Species (22.489)
Vorticella echini King 1931- Naxella minima
- Euplotopsis muscicola ssp. alatus
- Urostyla hologama Heckmann 1965
- Urostyla naumanni Lepsi 1935
- Urostyla polymicronucleata
- Urostyla thompsoni Jankowski 1979
- Urotricha corlissiana Song, Weibo & Wilbert 1989
- Urotricha halteriiformis
- Urotricha multisetosa Wang & Nie 1933
- Urotricha rotunda Fernandez-Leborans & Novillo 1994
- Urotricha tricha Wang & Nie 1933
- Uvelinus ovatus
- Uvigerina bononiensis ssp. bononiensis
- Uvigerina acuminata
- Uvigerina multicostata
- Uvigerina tenuisstriata
- Uvigerina parkeri ssp. parkeri
- Uvigerina gracilis
- Uvigerina tenuistriata
- Uvigerina urnula ssp. semiornata
- Uvigerinammina triangula
- Vaginicola pedinculata
- Vaginicola subcrystallina
- Styxophrya quadricornuta Foissner, Schlegel & Prescott 1987
- Uroleptoides atypica Hemberger 1985
- Uroleptoides caudata Hemberger 1985
- Uroleptoides raptans
- Uronychia invicta
- Uroleptus ambiguus
- Uroleptus dubius
- Uroleptus elliptica
- Uroleptus galina
- Uroleptus khali
- Uroleptus magnificus
- Uroleptus poianae
- Uroleptus patens
- Uroleptus ratulus
- Uroleptus roscoviana Maupas 1983
- Uroleptus retractilis Claparède & Lachmann 1858
- Uroleptus ruber
- Uroleptus setiformis
- Ottowphrya magna Foissner 1993
- Uronema castellonensis
- Uronema gallicum
- Uronema parvum
- Uronychia antarctica
- Uronychia paradoxa
- Uronychia unicinata
- Oxytricha flava Cohn 1866 ssp. flava
- Urostrongylum contortum Kahl 1928
- Urostyla coei Turner 1939
- Urostyla gibba
- Urostyla cristata Jerka-Dziadosz 1964
- Urostyla grandis ssp. kahli
- Urostyla grandis ssp. typica
- Urostyla latissima Dragesco 1970
- Urostyla pseudomuscorum
- Urostyla trichota
- Urostyla trichogastra
- Aspidisca jugensis
- Urotricha baltica Czapik & Jordan 1976
- Urotricha fareta
- Urotricha ondina
- Urotricha nais
- Urozona buetschli Schewiakoff 1889
- Urotrychia transfuga
- Urozona bütschlii Schewiakoff 1889
- Usconophrys dauricus
- Vaginicola crystallina ssp. crystallina
- Vaginicola folliculata
- Vaginicola inquilina
- Vaginicola inquillina
- Vaginicola gigantea ssp. gigantea
- Vaginicola longicollis
- Vaginicola longistyla
- Vaginicola pedunculata
- Valvulineria loetterlei
- Urceolaria dujardinii
- Urceolaria gaimaridae
- Urceolus ovatus
- Zoothamnium kahlii ssp. kahlii
- Trochilia angustata
- Trochammina depressa
- Trochilia pusilla
- Trochilia legumen
- Trochilia sygmoides
- Condylostomides tardus Penard 1922
- Trocholina paucigranulata
- Trocholina verrucosa
- Trocholina granosa
- Trocholina crassa
- Trocholina laevis
- Turrispirillina conoidea
- Undella armata
- Undella collaria
- Undella attenuata
- Undella hadai
- Undella messinensis
- Undella marsupialis
