Species (15.149)
- Balantidioides corbifera Fryd-Versavel & Tuffrau 1978
- Balantidion pellucidum Eberhard 1862
- Balantidiopsis muscicola Penard 1922
- Balantidium acanthuri Grim 1989
- Balantidium alpha Earl 1973
- Balantidium amblystomatis Jirovec 1930
- Balantidium amygdalli Bhatia & Gulati 1927
- Balantidium aragaoi Cunha & Muniz 1927
- Balantidium bacteriophoros Fenchel 1980
- Balantidium beta Earl 1973
- Balantidium bovis Earl 1973
- Balantidium bicavata Bhatia & Gulati 1927
- Balantidium caprae Abraham 1961
- Balantidium cameli Hegner 1934
- Balantidium chagasi Earl 1973
- Balantidium ctenopharyngodonis Chen 1955
- Balantidium cunhamunizi Hegner 1934
- Balantidium entozoon Ehrenberg 1838
- Balantidium cynocephale Burowa 1938
- Balantidium falciformis Walker 1909
- Balantidium geigyi Gisler 1967
- Balantidium galianoi Fernandez-Galiano
- Balantidium porcellae Earl 1973
- Balantidium radiata Abraham 1962
- Balantidium saigonensis Earl 1973
- Balantidium rotundum Bezzenberger 1904
- Balantidium simile Cunha & Muniz 1930
- Balantidium serpentina Fantham & Porter 1950
- Balantidium steinae Ky 1971
- Balantidium sinensis Nie 1935
- Balantidium spinibarbichthys Ky 1971
- Balantidium strelkovi Ky 1971
- Balantiophorus minutus Schewiakoff 1889
- Bryophyllum penardi Kahl 1931
- Bryophyllum tegularum Kahl 1931
- Bryophyllum spathidioides Gelei 1933
- Bryophyllum vorax Stokes 1888
- Buitkampia angusta Foissner 1985
- Bundleia asymmetrica Strelkow 1939
- Bundleia dolichosoma Strelkow 1939
- Bundleia benbrooki Hsiung 1930
- Bundleia elongata Strelkow 1939
- Bundleia nana Strelkow 1939
- Bundleia inflata Strelkow 1939
- Bundleia piriformis Strelkow 1939
- Bundleia triangularis Strelkow 1939
- Bundleia vorax Strelkow 1939
- Bursalinus synspiralis Kalmus 1929
- Bursaopsis bursa Cleve 1900
- Bursaopsis fergusonii Ryder 1887
- Bursaopsis conicoides Hada 1970
- Bursaopsis punctistriata Daday 1887
- Aspidisca polystyla Stein 1859
- Aspidisca psammobiotica Burkovsky 1970
- Aspidisca pulcherrima Kahl 1932
- Aspidisca polypoda Dujardin 1841
- Aspidisca pulvinata Fromentel 1876
- Aspidisca quadrilineata Kahl 1932
- Aspidisca radiata Fromentel 1876
- Aspidisca robusta Kahl 1932
- Aspidisca sedigita Quennerstedt 1867
- Aspidisca sulcata Kahl 1932
- Aspidisca steini Buddenbrock 1920
- Aspidisca tridentata Dragesco 1963
- Aspidisca turrita Ehrenberg 1831
- Astylozoon fallax Engelmann 1862
- Astylozoon pyriforme Schewiakoff 1893
- Atelepithites misellum Deroux 1976
- Astylozoon faurei Kahl 1935
- Atopochilodon distichum Deroux 1976
- Atopochilodon arenifer Kahl 1933
- Atopodinium fibulatum Kahl 1932
- Atractos contortus Vörösvary 1950
- Atriofolliculina andrewsi Hadzi 1951
- Atriofolliculina faureana Hadzi 1951
- Australocirrus octonucleatus Foissner 1988
- Blepharoprosthium musculus Dogiel 1929
- Blepharoprosthium pireum Bundle 1895
- Blepharoprosthium polytrichum Strelkow 1939
- Blepharoprosthium parvum -> LB0002: 100
- Blepharosphaera citriformis Strelkow 1939
- Blepharosphaera caviae Kopperi 1935
- Blepharosphaera ellipsoidales Hsiung 1930
- Blepharostoma pigerrima Hamburger & Buddenbrok 1911
- Blepharozoum trizonum Hsiung 1930
- Blepharosphaera intestinalis Bundle 1895
- Blepharozoum zonatum Gassovsky 1918
- Bothrostoma mirabilis Kahl 1927
- Bothrostoma undulans Stokes 1887
- Botticula ringueleti Dioni 1972
- Boveria labialis Ikeda & Ozaki 1918
- Boveria tapetis Delphy 1938
- Boveria subcylindrica Stevens 1901
- Boveria teredini Nelson 1923
- Boveria teredinidi Pickard 1927
- Bozasella rhinocerotis Buisson 1923
- Brachonella caduca Kahl 1927
- Bresslaua vorax Kahl 1931
- Bryometopus edaphonus Foissner 1980
- Bryometopus magnus Foissner 1980