Species (15.149)
- Blepharisma grayi Hartwig & Parker 1977
- Blepharisma halophilium Ruinen 1938
- Blepharisma ichthyoides Gelei 1933
- Blepharisma intermedium Bhandary 1962
- Blepharisma japonicum Suzuki 1954
- Blepharisma lateritium Ehrenberg 1831
- Blepharisma lentis Gelei 1954
- Blepharisma melanum Borror 1963
- Blepharisma minima Lepsi 1926
- Blepharisma multinodatum Hirshfield, Isquith & Bhandary 1965
- Blepharisma musculus Penard 1922
- Blepharisma ovalis Dumas 1937
- Blepharisma violaceae Tucolesco 1962
- Blepharisma wardsi Hirshfield, Isquith & Bhandary 1965
- Blepharoconus appendiculata Chavarria 1933
- Blepharisma vitreum Lepsi 1957
- Blepharoconus benbrooki Hsiung 1930
- Blepharoconus cervicalis Hsiung 1930
- Blepharoconus hemiciliatus Gassovsky 1919
- Blepharoconus microcorys Gassovsky 1918
- Blepharoconus ventriculi Jameson 1925
- Blepharocorys angusta Gassovsky 1918
- Blepharocorys cardionucleata Hsiung 1930
- Blepharocorys caudata Kopperi 1935
- Blepharocorys curvigula Gassovsky 1918
- Blepharocorys equi Schuhmacher 1915
- Blepharocorys jubata Bundle 1895
- Blepharocorys uncinata Fiorentini 1890
- Blepharocorys unifasculata Fiorentini 1890
- Blepharocorys valvata Fiorentini 1890
- Blepharoplanum leporis Kopperi 1935
- Blepharomonas mollis Kopperi 1935
- Blepharoprosthium ampulla Dogiel 1929
- Blepharoprosthium krugerensis -> LB0002: 100
- Brachonella caenomorphoides Foissner 1980
- Stentor roeseli Jirovec 1953 ssp. stagnalis
- Brachonella campanula Kahl 1932
- Brachonella darwini Kahl 1927
- Brachonella cydonia Kahl 1927
- Brachonella contorta Levander 1894
- Brachonella elongata Jankowski 1964
- Brachonella galeata Kahl 1927
- Brachonella spiralis Smith 1897
- Brachonella inversa Jankowski 1964
- Tokophrya bathynellae Chappuis 1944
- Tokophrya brachypoda Foissner 1999 ssp. mucosa
- Tokophrya scottocalani Sewell 1951
- Tokophrya oviformis Sand 1899
- Tokophrya lycoperdon Penard 1920
- Brachyspira epizootica Raabe 1950
- Branchioecetes aselli Svec 1897
- Branchioecetes gammari Penard 1922
- Brandtiella palliata Brandt 1906
- Bresslaua bavariensis Bovee 1979
- Bresslaua discoidea Kahl 1931
- Bresslaua dissimilis Alekperov 1985
- Bresslaua sicaria Claff, Dewey & Kidder 1941
- Bresslaua eurystoma Gellert 1950
- Bresslaua insidiatrix Claff, Dewey & Kidder 1941
- Bresslaua terricola Foissner 1987
- Bresslauides terricola Foissner 1987
- Bresslauides discoideus Kahl 1931
- Bresslauides australis Blatterer & Foissner 1988
- Brooklynella hostilis Lom & Nigrelli 1970
- Bryometopus atypicus Foissner 1980
- Bryometopus alekperovi Foissner 1998
- Bryometopus balantidioides Foissner 1993
- Bryometopus hawaiiensis Foissner 1994
- Bryometopus chlorelligerus Foissner 1980
- Bryophrya duplicata Penard 1922
- Bryophrya rubescens Penard 1922
- Bryophyllum armatum Claparède & Lachmann 1859
- Bryophyllum carinatum Gelei 1933
- Bryophyllum caudatum Gelei 1933
- Bryophyllum lieberkuehni Kahl 1931
- Bryophyllum loxophylliforme Kahl 1931
- Aspidisca zonata Dumas 1929
- Aspidisca tuberosa Kahl 1932
- Astrophrya arenaria Awerinzew 1904
- Astylozoon caudatum Phillips 1883
- Astylozoon enriquesi Foissner 1977
- Atriofolliculina hirundo Kent 1881
- Aulax paucisetosa Gourret & Roeser 1888
- Aulaxella sp. Strand 1928
- Aulofolliculina labyrinthica Hadzi 1951
- Aurichona armata Jankowski 1973
- Australothrix alwinae Blatterer & Foissner 1988
- Australocirrus oscitans Blatterer & Foissner 1988
- Australothrix australis Blatterer & Foissner 1988
- Australothrix gibba Claparède & Lachmann 1859
- Australothrix simplex Shen, Liu, Song & Gu 1992
- Australothrix steineri Foissner 1995
- Autochloe proerpinae Joseph 1882
- Australothrix zignis Entz 1884
- Avela martinicense Nouzarede 1975
- Avelia arcachonense Nouzarede 1975
- Avelia martinicense Nouzarede 1977
- Avelia gigas Dragesco 1954
- Avelia multinucleata Dragesco 1999
- Avestina acuta Buitkamp 1977