Species (15.149)
- Arcuospathidium cooperi Foissner 1996
- Amphileptus branchiarum Wenrich 1924
- Amphileptus elegans Fromentel 1876
- Amphileptus gigas Claparède & Lachmann 1859
- Amphileptus flexilis Stokes 1885
- Amphileptus incurvatus Lepsi 1926
- Amphileptus gulosus Dumas 1929
- Amphileptus longicollis Fromentel 1876
- Amphileptus longissimicollis Dumas 1937
- Amphileptus margaritifer Ehrenberg 1833
- Amphileptus loxophylliformis Kahl 1931
- Amphileptus massiliensis Gourret & Roeser 1886
- Amphileptus monilatus Stokes 1886
- Amphileptus monilifer Ehrenberg 1835
- Amphileptus multinucleatus Dragesco & Dragesco-Kernéis 1986
- Amphileptus meleagris Ehrenberg 1835
- Amphileptus ovalis Dumas 1937
- Amphileptus papillosus Ehrenberg 1833
- Amphileptus pleurosigma Stokes 1884
- Amphileptus plurivacuolatus Foissner 1978
- Amphileptus punctatus Kahl 1926
- Amphileptus procerus Penard 1922
- Amphileptus rotundus Maskell 1887
- Amphileptus trachelioides Zacharias 1894
- Amphileptus spirostomiformis Dumas
- Amphileptus truncatus Dumas 1929
- Amphileptus viridis Ehrenberg 1833
- Amphisiella capitata Perejaslawzewa 1885
- Amphisiella lithophora Faure-Fremiet 1954
- Amphisiella magnigranulosa Foissner 1988
- Amphisiella milnei Kahl 1932
- Amphisiella oblonga Schewiakoff 1893
- Amphisiella n.sp.
- Amphisiella polycirrata Berger & Foissner 1989
- Amphisiella quadrinucleata Berger & Foissner 1989
- Amphisiella terricola Gellert 1955
- Armiacineta seticola Jankowski 1982
- Aristerostoma minutum Kahl 1926
- Armichona insecta Jankowski 1973
- Armichona hexadenta Jankowski 1973
- Ascampbelliella urceolata Ostenfeld 1899
- Ascobius claparedei Hadzi 1951
- Ascobius faure-fremieti Hadzi 1951
- Ascobius lentus Henneguy 1884
- Asellicola digitata Plate 1888
- Ascobius simplex Dons 1917
- Ascobius sileni Hadzi 1951
- Ascophrys rodor Campillo & Deroux 1974
- Askenasia faurei Kahl 1930
- Askenasia acrostomia Krainer & Foissner 1990
- Askenasia chlorelligera Krainer & Foissner 1990
- Askenasia stellaris Leegaard 1920
- Askenasia volvox Eichwald 1852
- Askoella helistoma Jankowski 1967
- Askoella heliostoma Jankowski 1967
- Askoella janssoni Fenchel 1965
- Aspidisca andreewi Mereschkowski 1877
- Aspidisca major Madsen 1931
- Amphorella infundibulum Kofoid & Campbell 1929
- Amphorella laackmanni Jörgensen 1924
- Amphorella mediterranea Mereschkowsky
- Amphorella norvegica Daday 1887
- Amphorella minor Jörgensen 1924
- Amphorella punctostriata Daday 1887
- Amplectella quadricollaria Kofoid & Campbell 1929
- Amplectellopsis biedermanni Kofoid & Campbell 1929
- Amplectellopsis angularis Kofoid & Campbell 1929
- Ampullacula ampulla Fiorentini 1890
- Ampullaster stammeri Lust 1950
- Ampullofolliculina lageniformis Hadzi 1951
- Balantidium sp. Buisson 1923
- Anarma multiruga Goodrich & Jahn 1943
- Ancistrina limnica Raabe 1947
- Ancistrella choanomphali Cheissin 1930
- Ancistrocoma dissimilis Kozloff 1946
- Ancistrocoma thorsoni Fenchel 1965
- Ancistrocoma pholadis Chatton & Lwoff 1926
- Ancystropodium maupasi Faure-Fremiet 1907
- Epistylis plicatilis Ehrenberg 1830
- Epistylis podurae Dumas 1930
- Epistylis racemosa Penard 1922
- Epistylis ramosa Stokes 1889
- Epistylis regularis Dumas 1929
- Epistylis rhabdostyla Eismond 1895
- Epistylis rotatorium Kahl 1935
- Epistylis rotans Svec 1897
- Epistylis ringens Fromentel ?
- Epistylis solitaria Dumas 1929
- Epistylis tornatilis Dumas 1929
- Epistylis urceolata Stiller 1935
- Epistylis tubificis D'Udekem 1864
- Epistylis zschokkei Keiser 1921
- Erastophrya odontophora Sand 1899
- Eremoplastron brevispinum -> LB0002: 44
- Eremoplastron bovis -> LB0002: 44
- Eremoplastron giganteum -> LB0002: 44
- Eremoplastron bubalus -> LB0002: 44
- Eremoplastron dilobum -> LB0002: 44
- Eremoplastron impalae -> LB0002: 44
- Eremoplastron insignae -> LB0002: 44