Species (22.489)
- Paramaecium stomioptycha
- Paramaecium trichium
- Paramaecium versutum
- Paramaecium terebra
- Styloplotes appendiculatus ssp. pontica
- Paranophrys carnivora
- Parasicuophora nucleocavata
- Paragastrostyla variabilis
- Paraisothricha ampulla
- Paraholosticha sterkii Garnjobst 1934
- Paraisothricha oblonga
- Paraisothricha incisa
- Paraisothricha colpoidea
- Paraisothricha ovalis
- Paraisothricha triangularis
- Paraisotricha hydrochoeri
- Paraisotricha acuminata Cunha 1915
- Paralembus asturianus Fernandez-Leborans & Zaldumbide 1984
- Cladotricha koltzowii ssp. lata
- Paramecium abceps
- Paramecium africanum Dragesco 1970
- Paramecium biaurelia
- Paramecium coli
- Paramecium histrio Müller 1785
- Paramecium kolpoda Losana 1829
- Paramecium multimicronucleata
- Paramecium ovata
- Paramecium otostoma
- Paramecium planoconvexum
- Paramecium polycaryum
- Paramecium polytrichum Schmarda 1854
- Paramecium pseudotrichium Dragesco 1970
- Paramecium silesiacum
- Paramecium stomioptycha
- Paramecium woodsuffi Wenrich 1928
- Paramecium versutum ssp. versutum
- Paramoecium putrinum
- Paraspathidium obliquum Dragesco 1963
- Parasphaerophrya urostylae
- Parastomiosphaera malmica
- Parastrombidium planctonicum
- Parachilodonella lygia Dragesco 1966
- Paracineta crassipes
- Paracineta divisa
- Paracineta crenata
- Trichoda bulla
- Engelmanniella halseyi
- Paradileptus canellai Dragesco 1966
- Pantotrichum lagenella
- Ascocystis brachyceri
- Bryophrya bavariensis Kahl 1931
- Askenasia humilis
- Kolpoda striata Müller
- Aspidisca andrewii
- Aspidisca caspica
- Kolpoda triquetra Müller 1786
- Aspidisca eocenica
- Aspidisca fieldi
- Aspidisca maxima
- Thylacidium typicum Gellert
- Aspidisca nana
- Aspidisca pelvis
- Aspidisca sedigitata
- Aspidisca steini ssp. steini
- Aspidisca plana
- Aspidisca tetracirrata
- Mantoscyphidia midae Botes, Basson & Van Aas 2001
- Naxella minuta Dragesco & Dragesco-Kerneis 1986
- Bursaridium schewiakowi Lauterborn 1894
- Aristerostoma minuta
- Bryometopus pseudochylodon
- Arcuospathidium cultriforme Kahl 1930 ssp. lionotiforme
- Astrostoma sp.
- Astylozoon amphoriforme
- Astylozoon piriforme
- Astylozoon vagans Stiller 1939
- Atopospira galeata
- Akidodes henleae Lom 1959
- Akidodes symmetricus Lom 1959
- Alabamina bigibbera
- Alexandria arcuata
- Alexandria affinis
- Alexandrina karagjorgjevici
- Alexandria heterolobata
- Alexandrina möbiusi
- Almophrya mediovacuolata
- Alinostoma plurivacuolata Deroux & Dragesco 1968
- Alloiozona trizona
- Bigenerina nodosaria
- Biggariella nudum
- Biggaria caryoselaginelloides
- Onychodromus grandis Szabo 1992 ssp. simplex
- Blepharisma clarissima Kahl 1928
- Blepharocorys hydrochoeri
- Blepharosphaera ellipsoidalis
- Baenodinium remigans
- Baeonidium remigens
- Baikalaster pelagicus Jankowski 1986
- Baikalocoleps quadratus Obolkina 1995
- Baikalophrya gammari