Species (22.489)
- Pseudocyrtolophosis terricola Foissner 1993
- Pseudoenchelys armata Tucolesco 1962
- Pseudofolliculina arctica Dons 1914
- Pseudofolliculina paranthurae Giard 1888
- Pseudofolliculina melitta Laackmann 1910
- Pseudogemmides globosa Kormos 1935
- Pseudoglaucoma labiata Kahl 1931
- Proplectella globosa Brandt 1906
- Proplectella ovata Jörgensen 1924
- Proplectella ostenfeldi Kofoid & Campbell 1929
- Proplectella grandis Laackmann 1909
- Proplectella parva Kofoid & Campbell 1929
- Proplectella pentagona Jörgensen 1924
- Proplectella praelonga Kofoid & Campbell 1929
- Proplectella perpusilla Kofoid & Campbell 1929
- Proplectella subacuta Cleve 1901
- Proplectella subangulata Kofoid & Campbell 1929
- Proplectella subcaudata Jörgensen 1924
- Proplectella tenuis Kofoid & Campbell 1929
- Proplectella tumida Kofoid & Campbell 1929
- Proptychostomum simplex André 1945
- Proplectella urna Kofoid & Campbell 1929
- Propygocirrus adhaerens Mansfeld 1923
- Propyxidium nutans Stokes 1889
- Prorodon abietum Penard 1922
- Prorodon armatus Claparède & Lachmann 1859
- Prorodon arenarius Dragesco 1954
- Prorodon bacilliferum Gelei 1954
- Prorodon binucleatus Buddenbrock 1920
- Prorodon brachyodon Kahl 1927
- Prorodon brasilensis Kattar 1970
- Prorodon cinctus Foissner 1983
- Prorodon cinereus Penard 1922
- Prorodon diaphanus Dragesco 1960
- Prorodon deflandrei Dragesco 1960
- Prorodon cylindricus Dumas 1930
- Prorodon discolor Schewiakoff 1892
- Prorodon dubius Kahl 1930
- Prorodon edentatus Claparède & Lachmann 1859
- Prorodon ellipticus Kahl 1930
- Prorodon penardi Dragesco 1954
- Prorodon platyodon Blochmann 1895
- Prorodon ovum Ehrenberg 1931
- Prorodon rigidus Bürger 1908
- Prorodon raabei Czapik 1965
- Prorodon reticulatus Dumas 1929
- Prorodon robustus Penard 1922
- Prorodon sphaeroides Dumas 1930
- Prorodon sulcatus Maskell 1886
- Prorodon stewarti Ghosh 1929
- Perisincirra gellerti Foissner 1982
- Perisincirra interrupta Foissner 1982
- Perisincirra kahli Buitkamp 1977
- Perisincirra pori Wilbert & Kahan 1986
- Perispira carinata Kahl 1926
- Perisincirra similis Foissner 1982
- Perisincirra viridis Foissner 1982
- Perispira oligospira Gelei 1954
- Perispira ovum Stein 1859
- Peristomus emmoe Faria, Cunha & Pinto 1922
- Peritromoides simplex Bhatia 1936
- Peritromus arenicola Dragesco 1965
- Peritromus emmae Stein 1863
- Peritromus kahli Villeneuve-Brachon 1940
- Peritromus minor Ozaki & Yagiu 1941
- Peritromus montanus Kahl 1928
- Peritromus ovalis Faure-Fremiet 1924
- Peritromus sieburthi Small & Lynn 1985
- Peritromus tetramacronucleatus Ozaki & Yagiu 1941
- Peritromus tortugensis Bullington 1940
- Persincirra filiformis Foissner 1982
- Persincirra viridis Foissner 1982
- Pescozoon euplotes Dragesco 1960
- Petalotricha capsa Brandt 1906
- Plagiocampa multiseta Kahl 1930
- Plagiocampa ovata Gelei 1954
- Plagiocampa perlata Kahl 1933
- Plagiocampa posticeconica Kahl 1930
- Plagiocampa rouxi Kahl 1926
- Plagiopyla frontata Kahl 1931
- Plagiopyla carteri Kent 1881
- Plagiopogon loricatus Kahl 1933
- Plagiopyla cucullio Quennerstedt 1867
- Plagiopyla hatchi Stokes 1891
- Planicola discoidea Dumas 1929 ssp. non
- Planicola dauciformis Dumas 1929
- Planicola elatior Dumas 1929
- Planicola nana Dumas 1930
- Reichenowella nigricans Kahl 1932
- Remanella brunnea Kahl 1933
- Remanella caudata Dragesco 1954
- Remanella faurei Dragesco 1954
- Remanella dragesco Agamaliev 1966
- Remanella gigas Dragesco 1954
- Remanella levii Dragesco 1960
- Remanella granulosa Kahl 1933
- Remanella microstoma Dragesco 1954
- Remanella margaritifera Kahl 1933
- Remanella minuta Dragesco 1954
- Remanella multicorpusculata Vacelet 1961