Species (22.489)
- Urostyla fulva Stokes 1891
- Urostyla gigas Stokes 1886
- Urostyla gracilis Entz 1884
- Urostyla grandis Ehrenberg 1830
- Urostyla limboonkengi Wang & Nie 1932
- Urostyla multipes Claparède & Lachmann 1858
- Urostyla muscorum Kahl 1932
- Urostyla paragrandis Wang 1930
- Urotricha saprophila Kahl 1930
- Urotricha pseudofurcata Krainer 1995
- Urotricha striata Penard 1922
- Urotricha synuraphaga Kahl 1927
- Urotricha terricola Alekperov & Musayev 1988
- Urotricha venatrix Kahl 1935
- Urotricha valida Song & Wilbert 1989
- Urozona buetschlii Schewiakoff 1889
- Vaginicola amadelpha Dumas 1929
- Vaginicola chaperoni Penard 1914
- Vaginicola decumbens Ehrenberg 1830
- Vaginicola cratera Swarczewsky 1930
- Vaginicola curvula Dons 1922
- Vaginicola donsi Kahl 1935
- Uroleptus agilis Engelmann 1862
- Uroleptus contortus Gelei 1954
- Uroleptus caudatus Ehrenberg 1833
- Uroleptus dispar Stokes 1886
- Uroleptus filum Ehrenberg 1838
- Uroleptus gallina Müller 1786
- Uroleptus gibbus Müller 1786
- Uroleptus hospes Ehrenberg 1831
- Uroleptus halseyi Calkins 1929
- Uroleptus kahli Buitkamp 1977
- Uroleptus humicola Gellert 1956
- Uroleptus lacteus Kahl 1932
- Uroleptus lamella Ehrenberg 1831
- Uroleptus limnetis Stokes 1885
- Uroleptus lepisma Wenzel 1953
- Uroleptus matthesi Wenzel 1953
- Uroleptus packi Calkins 1919
- Uroleptus piscis Müller 1773
- Uroleptus rattulus Stein 1859
- Uroleptus zignis Entz 1884
- Uronema digitiformis Cuénot 1891
- Uronema elegans Maupas 1883
- Uronema filificum Kahl 1931
- Uronema gemmuliferum Penard 1922
- Uronema granulatum Lepsi 1926
- Uronema griseolum
- Uronema kenti Kahl 1926
- Uronema halophilum Jankowski 1964
- Uronema microcrepis Penard 1922
- Uronema opisthostoma Lepsi 1926
- Uronema paramarinum Petz, Song & Wilbert 1995
- Uronema ovale Schewiakoff 1893
- Uronema parduczi Foissner 1971
- Uronema pleurocaudatum Noland 1937
- Uronema parva Czapik 1968
- Uronema rabaudi Cépède ?
- Uronema simplex Penard 1922
- Uronema schewiakoffi Buddenbrock 1920
- Uronema sociale Penard 1922
- Uronema solivagum Kahl 1926
- Uronema tortum Maupas 1883
- Uronemita filificum Kahl 1931
- Uronychia binucleata Young 1922
- Uronychia bivalvorum Fenchel 1965
- Uronychia festinans Lepsi 1957
- Uronychia heinrothi Buddenbrock 1920
- Uronychia magna Pierantoni 1909
- Uronychia paupera Daday ?
- Urosoma macrostoma Gellert 1957
- Vorticella abbreviata Keiser 1921
- Vorticella aequilata Kahl 1935
- Vorticella alpestris Foissner 1979
- Vorticella amphiurae Cuenot 1891
- Vorticella anabaenae Ruttner 1937
- Vorticella anomala Gourret & Roeser 1886
- Vorticella anastatica Linnaeus 1767
- Vorticella aperta Fromentel ?
- Vorticella appunctata Fromentel ?
- Vorticella aquadulcis Stokes 1887
- Vorticella aquadulcis-Komplex
- Vorticella astyliformis Foissner 1981
- Vorticella bipartita Dumas 1929
- Vorticella brevistyla D'Udekem 1864
- Vorticella cacabuoides Dumas 1929
- Vorticella calciformis Kahl 1933
- Vorticella campanulata Sramek-Husek 1948
- Vorticella campanula Ehrenberg 1831
- Vorticella chamaeleontina Dumas 1929
- Vorticella chlamydophora Penard 1922
- Vorticella chlorellata Stiller 1940
- Vorticella chlorostigma Ehrenberg 1831
- Vorticella cinctula Dumas 1929
- Vorticella citrina Müller 1773
- Vorticella claudicans Penard 1922
- Vorticella claparedei Andrussowa 1886
- Vorticella colorata Mereschkowski 1877
- Vorticella communis Fromentel 1874
- Vorticella corrugis Dumas 1930