Arcella arenaria Greeff, 1866

Arcella bathystoma Deflandre, 1928

Arcella catinus Penard, 1890

Arcella dentata Ehrenberg, 1830

Arcella discoides Ehrenberg, 1871

Arcella gibbosa Penard, 1890

Arcella hemisphaerica Perty, 1852

Arcella intermedia (Deflandre, 1928) Tsyganov and Mazei, 2006

Arcella rotundata Playfair, 1918

Arcella vulgaris Ehrenberg, 1830

Cyclopyxis eurystoma Deflandre, 1929

Cyclopyxis kahli Deflandre, 1929

Cyclopyxis puteus Thomas, 1960

Netzelia oviformis (Cash, 1909) Ogden, 1979

Netzelia tuberculata (Wallich, 1864) Netzel, 1983

Trigonopyxis arcula (Leidy, 1879) Penard, 1912

Difflugia acuminata Ehrenberg, 1838

Difflugia ampullula Playfair, 1918

Difflugia bryophila (Penard, 1902) Jung, 1942

Difflugia elegans Penard, 1890

Difflugia globulosa Dujardin, 1837

Difflugia hiraethogii Ogden, 1983

Difflugia lanceolata Penard, 1890

Difflugia lobostoma Leidy, 1874

Difflugia lucida Penard, 1890

Difflugia oblonga Ehrenberg, 1831

Difflugia penardi Hopkinson, 1909

Difflugia pulex Penard, 1902

Difflugia pyriformis Perty, 1849

Difflugia rubescens Penard, 1891

Difflugia urceolata Carter, 1864

Difflugia viscidula Penard, 1902

Lesquereusia epistomium Penard, 1902

Lesquereusia gibbosa Thomas and Gauthier-Lièvre, 1859

Lesquereusia modesta Rhumbler, 1896

Lesquereusia spiralis (Ehrenberg, 1840) Bütschli, 1880

Centropyxis aculeata (Ehrenberg, 1830) Stein, 1857

Centropyxis aerophila Deflandre, 1929

Centropyxis cassis (Wallich, 1864) Deflandre, 1929

Centropyxis constricta (Ehrenberg, 1841) Penard, 1902

Centropyxis discoides (Penard, 1890) Deflandre, 1929

Centropyxis ecornis (Ehrenberg, 1841) Leidy, 1879

Centropyxis elongata (Penard, 1890) Thomas, 1959

Centropyxis gibba Deflandre, 1929

Centropyxis laevigata Penard, 1890

Centropyxis orbicularis Deflandre, 1929

Centropyxis plagiostoma Bonnet and Thomas, 1955

Centropyxis platystoma (Penard, 1890) Deflandre, 1929

Centropyxis spinosa (Cash, 1905) Deflandre, 1929

Bullinularia indica (Penard, 1907) Deflandre, 1953

Plagiopyxis callida Penard, 1910

Plagiopyxis declivis Bonnet et Thomas, 1955

Alabasta militaris (Penard, 1890) Duckert, Blandenier, Kosakyan and Singer, 2018

Gibbocarina galeata (Penard, 1890) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Hyalosphenia papilio (Leidy, 1874) Leidy, 1875

Longinebela ampulla Todorov, Bankov and Ganeva, 2018

Longinebela golemanskyi (Todorov, 2010) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Longinebela penardiana (Deflandre, 1936) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Longinebela speciosa (Deflandre, 1936) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Longinebela tubulosa (Penard, 1890) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Nebela aliciae Mitchell et Lara, 2013

Nebela collaris (Ehrenberg, 1848) Leidy, 1879

Nebela flabellulum Leidy, 1874

Nebela tincta (Leidy, 1879) Awerintzew, 1906

Padaungiella lageniformis (Penard, 1890) Lara et Todorov, 2012

Padaungiella nebeloides (Gauthier-Lièvre and Thomas, 1958) Lara et Todorov, 2012

Padaungiella tubulata (Brown, 1910) Lara et Todorov, 2012

Padaungiella wailesi (Deflandre, 1936) Lara et Todorov, 2012

Planocarina carinata (Archer, 1867) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Quadrulella longicollis (Taranek, 1882)

Quadrulella symmetrica (Wallich, 1863) Cockerell, 1909

Quadrulella variabilis Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Heleopera petricola Leidy, 1879

Heleopera rosea Penard, 1890

Heleopera sphagni (Leidy, 1874)

Heleopera sylvatica Penard, 1890

Phryganella acropodia (Hertwig and Lesser, 1874) Hopkinson, 1909

Phryganella hemisphaerica (Penard, 1890) Penard, 1902

Phryganella nidulus Penard, 1902

Argynnia dentistoma (Penard, 1890)

Argynnia vitraea (Penard, 1899)

Awerintzewia cyclostoma (Penard, 1902) Schouteden, 1906

Lagenodifflugia bryophila (Penard, 1902) Ogden, 1987

Lagenodifflugia vas (Leidy, 1874) Medioli and Scott, 1983

Pontigulasia rhumbleri Hopkinson, 1919

Zivkovicia compressa (Carter, 1864) Ogden, 1983

Zivkovicia spectabilis (Penard, 1902) Ogden, 1987

Archerella flavum (Archer, 1877) Loeblich and Tappan, 1961

Assulina muscorum Greeff, 1888

Assulina seminulum (Ehrenberg, 1848) Leidy, 1879

Euglypha bryophila Brown, 1911

Euglypha ciliata (Ehrenberg, 1848), Leidy, 1878

Euglypha compressa Carter, 1864

Euglypha cristata Leidy, 1874

Euglypha filifera Penard, 1890

Euglypha laevis (Ehrenberg, 1845) Perty, 1849

Euglypha rotunda Wailes, 1911

Euglypha strigosa (Ehrenberg, 1871) Leidy, 1878

Euglypha tuberculata Dujardin, 1841

Scutiglypha crenulata (Wailes, 1912) Foissner and Schiller, 2001

Sphenoderia fissirostris Penard, 1890

Sphenoderia labiata Thomas et Gauthier-Lièvre, 1959

Sphenoderia lenta Schlumberger, 1845

Sphenoderia minuta Deflandre, 1931

Sphenoderia ovoidea Jung, 1942

Trachelocorythion pulchellum (Penard, 1890) Bonnet, 1979

Corythion constricta (Certes, 1889) Jung, 1942

Corythion dubium Taránek, 1881

Playfairina valkanovi Golemansky, 1966

Trinema complanatum Penard, 1890

Trinema enchelys (Ehrenberg, 1838) Leidy, 1878

Trinema galeata (Penard, 1890) Jung, 1942

Trinema lineare Penard, 1890

Campascus triqueter Penard, 1891

Cyphoderia amphoralis (Wailes and Penard, 1911)

Cyphoderia ampulla (Ehrenberg, 1840) Leidy, 1878

Cyphoderia major (Penard, 1890)

Pareuglypha reticulata Penard, 1902

Tracheleuglypha acolla Bonnet et Thomas, 1955

Tracheleuglypha dentata (Moniez, 1888) Deflandre, 1928