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Classifications Browser Servers - ClassificationBank - PreUnion
   


root
Cellular life (Above family)
Eukaryota (Above family) [info]
Unassigned genera
Catacombus Williams and Round (Genus)
Charcotia M. Paragallo, 1921 (Genus)
Astinella (Genus)
Spongosphaeradiscus Wang & Shang 2001 (Genus)
Quasibodo Bernard, Simpson & Patterson 2000 (Genus)
Barthelona Bernard, Simpson & Patterson 2000 (Genus)
Cana Mekik 2000 (Genus)
Denize Mekik 2000 (Genus)
Chaos Linnaeus, 1858 (Genus)
Ditylium J. W. Bailey (Genus)
Catenula/bacillariophyta (Genus)
Rhoiconeis (Genus)
Pseudonitzschia H. Perag. in H. Perag. and Perag. (Genus)
Abathomphalus "Bolli, Loeblich & Tappan 1957" (Genus)
Acanthogregarina "Kalavati, Narasimahamurti & Vnidyullatadevi 1988" (Genus)
Altinerina "Zaninetti, Ciarapica, Decrouez & Miconnet 1984" (Genus)
Amodiscoides Cushman 1909 (Genus)
Anncaliia "Issi, Krylova & Nikolaeva 1993" (Genus)
Antalyna Farinacci & Kylolu 1985 (Genus)
Anthemosoma "Landau, Boulard & Houin 1969" (Genus)
Apsiktrata "Foissner, Berger & Kohmann 1994" (Genus)
Ascogregarina "Ward, Levine & Craig 1982" (Genus)
Asterocladon "Muller, Parodi & Peters 1998" (Genus)
Aulacosira (Genus)
Bahianofusus "Brnnimann, Zaninetti & Moura 1979" (Genus)
Bahianotubus "Brnnimann, Zaninetti & Moura 1979" (Genus)
Balamuthia "Visvesvara, Schuster & Martinez 1993" (Genus)
Barnardina "Taylor, Patterson & Choi 1985" (Genus)
Bartramella "Verville, Thompson & Lokke 1956" (Genus)
Bispiranella "Samuel, Salaj & Borza 1981" (Genus)
Briticinella Sigal 1956 (Genus)
Bruneica "Brnnimann, Keij & Zaninetti 1983" (Genus)
Bryonosema "Canning, Refardt, Vossbrinck, Okamura & Curry 2002" (Genus)
Buliminellita "Cushman, & Stainforth 1947" (Genus)
Campanulospora "Issi, Radischcheva & Dolzhenko 1983" (Genus)
Catapsydrax "Bolli, Loblich & Tappan 1957" (Genus)
Challengerella "Billman, HOttinger, & Oesterle 1980" (Genus)
Chalubinskia Woloszy?ska, 1916 (Genus)
Chilodina Srmek-Hus?ek 1957 (Genus)
Chrysothurammina "Neumann, Pozaryska & Vachard 1975" (Genus)
Clavatorells Blow 1965 (Genus)
Claviblowiella "BouDagher-Fadel, Banner & Whittaker 1997" (Genus)
Clavigerinella "Bolli, Loeblich & Tappan 1957" (Genus)
Cmpressigerina Bermdez 1949 (Genus)
Cognettiella "Pizl, Chalupsky & Levine 1983" (Genus)
Costellagerina "Petters, El-Nakhal & Cifelli 1983" (Genus)
Cumbalopora von Hagenow 1851 (Genus)
Cumbaloporetta Cushman 1928 (Genus)
Cyclorbitopsella "Cherchi, Schroeder & Zhang 1984" (Genus)
Cyocibicides Cushman & Valentine 1930 (Genus)
Cystosporogenes "Canning, Barker, Nicholas & Page 1985" (Genus)
Debarina "Fourcade, Raoult & Vila 1972" (Genus)
Digyalum "Koura, Grahame, Owen & Kamel 1990" (Genus)
Diplauxis "Vivier, Ormires & Tuzet 1964" (Genus)
Discamoeba "Jahn, Bovee & Griffith 1979" (Genus)
Ditrypanocystis "Burt, Denny & Thomasson 1963" (Genus)
Dplostoma Ebensberger 1962 (Genus)
Drouettia De Toni 1938 (Genus)
Edaphonobiotus "Schnborn, Foissner & Meisterfeld 1983" (Genus)
Eliptocystis "Sengupta, Ghosh & Haldar 1991" (Genus)
Encephalitozoon "Levaditi, Nicolau & Schoen 1923" (Genus)
Endomycola "Thodorids, Desportes & Jolivet 1972" (Genus)
Endoreticulatus "Brooks, Becnel & Kennedy 1988" (Genus)
Eofusulina "Rauzer, Chernousova 1951" (Genus)
Evdelina Malakhova 1963 (Genus)
Fajinonion Hornibrook 1964 (Genus)
Flabelliforma "Canning, Killick-Kendrick & Killick-Kendrick 1991" (Genus)
Geminilithella Backmann 1980 (Genus)
Glintinoides Cherif 1970 (Genus)
Globigerapsis "Bolli, Loeblich & Tappan 1957" (Genus)
Globispiroplactammina Vachard 1977 (Genus)
Glovoendothyra Bogush & Yuferev 1962 (Genus)
Glugoides "Larsson, Ebert, Vvra & Voronin 1996" (Genus)
Gopaliella "Ganapati, Kalavati & Sundaram 1974" (Genus)
Gorillophilus "Imai, Ikeda, Collet & Bonhomme 1991" (Genus)
Gregelis Mikhalevich 1981 (Genus)
Grithionina Gos 1894 (Genus)
Gutnicella "Moullade, Haman, & Huddleston 1981" (Genus)
Gymnodiniodes Minkiewicz 1912 (Genus)
Hemirobulina Stache 1864 (Genus)
Hemolivia "Petit, Landau, Baccam & Lainson 1990" (Genus)
Heteroraphidiophrys Mikrjukov & Patterson 2000 (Genus)
Heterovesicula "Lange, MacVean, Henry & Streett 1995" (Genus)
Hidina "Gheorghian, Iva, & Gheorghian 1968" (Genus)
Hirsutospirella "Zaninetti, Ciarapica, Cirilli & Cadet 1985" (Genus)
Huanghedinium "Zhu, He & Jin 1989" (Genus)
Huperammina Brady 1878 (Genus)
Huperbathoides Ireland 1966 (Genus)
Idionympha "Cleveland, Hall, Sanders & Collier 1934" (Genus)
Inauris "Conkin, Conkin & Thurman 1979" (Genus)
Intexta "Larsson, Steiner & Bjornson 1997" (Genus)
Intrapredatorus "Chen, Kuo & Wu 1998" (Genus)
Ixorheis "Massin, Jangoux & Sibuet 1978" (Genus)
Karrerotextularia "Le Calvez, de Klasz & Brun 1974" (Genus)
Klubonibella Conil 1980 (Genus)
Kyaroikeus "Sniezek, Coats & Small 1995" (Genus)
Labiostoma "de Klasz, Le Calvez & Rrat 1964" (Genus)
Labyrinthidoma "Adams, Knight & Hodgkinson 1973" (Genus)
Latiendothyura Lipina 1963 (Genus)
Learamoeba "Sawyer, Nerad, Cahood & Nearhoof 1998" (Genus)
Lobochlamys "Prschold, Marin, Schlsser & Melkonian 2001" (Genus)
Lophocephaloides "Thodorids, Desportes & Jolivet 1965" (Genus)
Macrospironympha "Cleveland, Hall, Sanders & Collier 1934" (Genus)
Magmesiona Patterson 1987 (Genus)
Magnella "Neumann, Pozaryska & Vachard 1975" (Genus)
Mandorovella "deKlanz, Le Calvez & Rrat 1969" (Genus)
Maslinella "Glaessner, & Wade 1959" (Genus)
Megastomella "Faulkner, de Klasz & Rrat 1963" (Genus)
Merginulinopsis Silvestri 1904 (Genus)
Mesnilium "Misra, Haldar & Chakravarty 1972" (Genus)
Microfilum "Faye, Toguebaye & Bouix 1991" (Genus)
Micros Finlay 1939 (Genus)
Miliolechina "Zaninetti, Ciarapica, Cirilli & Cadet 1985" (Genus)
Millettiana "Banner, Pereira & Desai 1985" (Genus)
Montsechiana "Aubert, Coustau & Gendrot 1963" (Genus)
Mucotrichidium "Foissner, Oleksiv & Mller 1990" (Genus)
Nadelspora "Olson, Tiekotter & Reno 1994" (Genus)
"Naviculopsis frenguelli, 1940" biapiculata (Lemmermann) Frenguelli 1940 (Genus)
Naxella "Fryd-Versavel, Iftode & Deroux 1993" (Genus)
Neogloboquadrina "Bandy, Frerichs & Vincent 1967" (Genus)
Neohirmocystis "Ghose, Ray & Haldar 1986" (Genus)
Neoschneideria "Ormires, Manier & Mathiez 1965" (Genus)
Neospora "Dubey, Carpenter, Speer, Topper & Uggla 1988" (Genus)
Nolleria "Beard, Butler & Becnel 1990" (Genus)
Notocephalus "Petz, Song & Wilbert 1995" (Genus)
Notodendrodes "DeLaca, Lipps & Hessler 1980" (Genus)
Nubenocephalus "Clopton, Percival & Janovy 1993" (Genus)
Nucleospora "Hedrick, Groff & Baxa 1991" (Genus)
Occultammina "Tendal, Swinbanks & Shirayama 1982" (Genus)
Oogamochlamys "Prschold, Marin, Schlsser & Melkonian 2001" (Genus)
Ophthalmipora "Zaninetti, & Brnniman 1972" (Genus)
Ordospora "Larsson, Ebert & Vvra 1997" (Genus)
Ormieresia "Vivars, Bouix & Manier 1977" (Genus)
Orthosomella "Canning, Wigley & Barker 1991" (Genus)
Orthothelohania "Canning, Wigley & Barker 1991" (Genus)
Ozourina "de Klasz, Le Calvez & Rrat 1969" (Genus)
Paleopatellina "Kasimova, Poroshina & Geodakchan 1973" (Genus)
Parachaos "Willumsen, Siemensma & Suhr-Jessen 1987" (Genus)
Parakahliella "Berger, Foissner & Adam 1985" (Genus)
Parametopus "Grolire, de Puytorac & Grain 1980" (Genus)
Paraperidinium "Jin, He & & Zhu 1989" (Genus)
Paraphilaster "Grolire, de Puytorac & Grain 1980" (Genus)
Paratetramitus "Darbyshire, Page & Goodfellow 1976" (Genus)
Parurgonina "Cuvillier, Foury & Pignatti Morani 1968" (Genus)
Pastrikella "Cherchi, Radoicic, & Schroeder 1976" (Genus)
Pelagohalteria "Foissner, Skogstad & Pratt 1988" (Genus)
Perouvianella "Bizon, Bizon, Fourcade & Vachard 1975" (Genus)
Phenacophragma "Applin, Loeblich & Tappan 1950" (Genus)
Pifarilaminella Patterson & Richardson 1987 (Genus)
Planomiliola "de Klasz, Le Calvez & Rrat 1964" (Genus)
Playaensis "Spaulding, Kociolek & Davis 2002" (Genus)
Porticulasphaera "Bolli, Loeblich & Tappan 1957" (Genus)
Praepararotalia "Liu, Olsson & Huber 1998" (Genus)
Presmatomorphia Loeblich & Tappan 1986 (Genus)
Protocruzia "da Faria, Cunha & Pinto 1922" (Genus)
Protozelleriella "Delvinquier, Markus & Passmore 1991" (Genus)
Psalteriomonas "Broers, Stumm, Vogels & Brugerolle 1990" (Genus)
Pseudobuliminella "de Klasz, Le Calvez & Rrat 1964" (Genus)
Pseudochlamydonella "Buitkamp, Song & Wilbert 1989" (Genus)
Pseudoholophrya "Berger, Foissner & Adam 1983" (Genus)
Pseudokahliella "Berger, Foissner & Adam 1985" (Genus)
Pseudonosema "Canning, Refardt, Vossbrinck, Okamura & Curry 2002" (Genus)
Pseudotristrix Miklukho-Maklay 1960 (Genus)
Psilotric Gourret & Roeser 1888 (Genus)
Pulcispora "Vedmed, Krylova & Issi 1991" (Genus)
Pulicispora "Vedmed, Krylova and Issi 1991" (Genus)
Quantouendinium "Mao, Wan & Qiao 1999" (Genus)
Quasiverbeekina "Wang, Sheng & Zhang 1981" (Genus)
Raabellocineta "dePuytorac, Grolire, & Grain 1979" (Genus)
Rectoelphidiella "He, Hu & Wang 1965" (Genus)
Resignia Schnitker & Tjalsma 1980 (Genus)
Reticulinella "Cuvillier, Bonnefous, Hamaoui & Tixier 1970" (Genus)
Rhinakis "Fryd-Versavel, Iftode & Deroux 1993" (Genus)
Rhynchonympha "Cleveland, Hall, Sanders & Collier 1934" (Genus)
Saprolgenia Nees 1823 (Genus)
Septata "Cali, Kotler & OrenStein 1993" (Genus)
Shanita "Brnnimann, Whittaker, & Zaninetti 1978" (Genus)
Simuliospora "Khodzhaeva, Krylova & Issi 1990" (Genus)
Sorosphaerella "Conkin, Conkin & Thurman 1979" (Genus)
Spinoendothura Lipina 1963 (Genus)
Spiroplactina Schubert 1902 (Genus)
Staszicella Woloszy?ska, 1916 (Genus)
Stebloides Bermdez & Seiglie 1963 (Genus)
Steganorhynchus "Percival, Clopton & Janovy 1995" (Genus)
Steinhausia "Sprague, Ormires & Manier 1972" (Genus)
Sterkiella "Foissner, Blatterer, Berger & Kohmann 1991" (Genus)
Stomatostoecha "Applin, Loeblich & Tappan 1950" (Genus)
Stomoloculina "He, Hu & Wang 1965" (Genus)
Streptalveolina "Fourcade, Tardy & Vila 1975" (Genus)
Stylocephaloides "Thodorids, Desportes & Jolivet 1965" (Genus)
Tabanispora "Bykova, Sokolova & Issi 1987" (Genus)
Talpinella "Baumfalk, Fortuin & Mok 1982" (Genus)
Testudinicola "Jahn, Bovee & Jahn 1979" (Genus)
Tetomphaloides "Banner, Pereira & Desai 1985" (Genus)
"tetraspora hallett & lester, 1999" Hallett & Lester 1999 (Genus)
Teutophrys Chatton & Beauchamp 1923 (Genus)
Theileria "Bettencourt, Franca & Borges 1907" (Genus)
Timidonella "Bassoullet, Chabrier & Fourcade 1974" (Genus)
Trachipleistophora "Hollister, Canning, Weidner, Field, Kench & MarriOtt 1996" (Genus)
Tremachora Lipss & Lipps 1967 (Genus)
Trichoduboscqia "Hollister, Canning, Weidner, Field, Kench & MarriOtt 1996" (Genus)
Trichonosema "Canning, Refardt, Vossbrinck, Okamura & Curry 2002" (Genus)
Trichotuzetia "Vvra, Larsson & Baker 1997" (Genus)
Tuzetia "Maurand, Fize, Fenwick & Michel 1971" (Genus)
Unguatelloides Seiglie 1964 (Genus)
Unikaryon "Canning, Lai & Lie 1974" (Genus)
Urbonina Foury & Moullade 1966 (Genus)
Urinympha "Cleveland, Hall, Sanders & Collier 1934" (Genus)
Valserina "Schroeder, & Conrad 1968" (Genus)
Wallaceina "Podlipaev, Frolov & Kolesnikov 1990" (Genus)
Willaertia "de Jonckheere, Dive, Pussard & Vickerman 1984" (Genus)
Yaveina Deprat 1914 (Genus)
Zhongyuandinium "Zhu, He & Jin 1989" (Genus)
Mirga de Gregorio (Genus)
haeckeli (Genus)
Aachenosaurus Smets 1887 (Genus)
Aboema Frenzel 1897 (Genus)
Acanthapophysia Popofsky 1904 (Genus)
Acanthobotrys Popofsky 1913 (Genus)
Acanthochiasmarium Popofsky 1904 (Genus)
Acanthochiasmidium Popofsky 1904 (Genus)
Acanthochiasmonium Popofsky 1904 (Genus)
Acanthochrysis Conrad 1932 (Genus)
Acanthocircus Squinabol 1903 (Genus)
Acanthocorallium Haeckel 1887 (Genus)
Acanthocoronium Haeckel 1887 (Genus)
Acanthocorythium Haeckel 1887 (Genus)
Acanthocyrtis Haeckel 1881 (Genus)
Acanthodesma Zittel 1876 (Genus)
Acantholarcus Tedeschi 1895 (Genus)
Acanthometrella Haeckel 1887 (Genus)
Acanthonarium Haeckel 1887 (Genus)
Acanthonidium Haeckel 1887 (Genus)
Acanthophlegma Schewiakoff 1926 (Genus)
Acanthopyle Vinassa de Regny 1898 (Genus)
Acanthospongus Mast 1910 (Genus)
Acanthostephanus Haeckel 1879 (Genus)
Acantometra Wesenberg-Lund 1904 (Genus)
Acariaeum Perty 1852 (Genus)
Acerahedrina Vinassa de Regny 1900 (Genus)
Acerocanium Vinassa de Regny 1900 (Genus)
Achromaticus Dionisi 1899 (Genus)
Acidophorus Stein 1859 (Genus)
Acinetoides Plate 1888 (Genus)
Acioniscium Rostafianski 1874 (Genus)
Acipenserinus Costa 1864 (Genus)
Acolonche Popofsky 1904 (Genus)
Acomia Dujardin 1841 (Genus)
Acontasparium Haeckel 1887 (Genus)
Acontaspidium Haeckel 1887 (Genus)
Acostaurus Haeckel 1887 (Genus)
Acotripus Haeckel 1881 (Genus)
Acrobotrissa Popofsky 1913 (Genus)
Acrocalpis Haeckel 1881 (Genus)
Acrocorona Haeckel 1881 (Genus)
Acrocoronis Haeckel 1881 (Genus)
Acrocubus Haeckel 1881 (Genus)
Acromelissa Haeckel 1887 (Genus)
Acropyramis Haeckel 1881 (Genus)
Acrospyris Haeckel 1881 (Genus)
Actidiscus Haeckel 1887 (Genus)
Actilarcus Haeckel 1887 (Genus)
Actinelarium Haeckel 1887 (Genus)
Actinelidium Haeckel 1887 (Genus)
Actinelonium Haeckel 1887 (Genus)
Actinoglena Zacharias 1897 (Genus)
Actinolithis Ehrenberg 1847 (Genus)
Actinoma Haeckel (1861) (Genus)
Actinometron Wesenberg-Lund 1903 (Genus)
Actinommantha Haeckel 1887 (Genus)
Actinommetta Haeckel 1887 (Genus)
Actinommilla Haeckel 1887 (Genus)
Actinommura Haeckel 1887 (Genus)
Actinopyramis Haeckel 1887 (Genus)
Actinosphaeridium Zacharias 1893 (Genus)
Actinospherium Murray 1905 (Genus)
Actinostromaria Tornquist 1901 (Genus)
Actiprunum Haeckel 1887 (Genus)
Adelocyrtis Pantanelli 1880 (Genus)
Aegospyris Haeckel 1881 (Genus)
Aegyria Claparde & Lachmann 1858 (Genus)
Agapetha Gistl 1848 (Genus)
Agathammina Neumayr 1887 (Genus)
Aglenophrya Diesing 1866 (Genus)
Aglo Pascher 1912 (Genus)
Agrosphaera Lo Bianco 1903 (Genus)
Aktinocyclina Guembel 1868 (Genus)
Amphipylissa Haeckel 1887 (Genus)
Amphipylonium Haeckel 1881 (Genus)
Amphipylura Haeckel 1887 (Genus)
Amphirrhopalium Haeckel 1887 (Genus)
Amphirrhopalum Haeckel 1887 (Genus)
Amphirrhopella Haeckel 1887 (Genus)
Amphirrhopoma Haeckel 1887 (Genus)
Allodictya Ehrenberg 1872 (Genus)
Allodorina Fromentel 1874 (Genus)
Allotheca Ehrenberg (1843) (Genus)
Alyscum Dujardin 1841 (Genus)
Amasperma Rafinesque 1814 (Genus)
Amblyophis Ehrenberg (1832) (Genus)
Amiba Bory de St. Vincent 1822 (Genus)
Ammochilostoma Eimer & Fickert 1899 (Genus)
Ammonautilus Parkinson 1811 (Genus)
Ammonicerina Costa 1856 (Genus)
Ammosolenia Haeckel 1889 (Genus)
Ammosphaeroides Cushman 1910 (Genus)
Amoebea Gros 1849 (Genus)
Amoebogromia Giard 1900 (Genus)
Amoebosporidium Bonome 1895 (Genus)
Amorphina Parker & Jones 1857 (Genus)
Amphactura Haeckel 1881 (Genus)
Amphibelithium Haeckel 1887 (Genus)
Amphibelonium Haeckel 1887 (Genus)
Amphibrachella Haeckel 1887 (Genus)
Amphibrachidium Haeckel 1887 (Genus)
Amphibrachoma Haeckel 1887 (Genus)
Amphibrachura Haeckel 1887 (Genus)
Amphicentria Ehrenberg 1861 (Genus)
Amphicoryne Brady 1884 (Genus)
Amphicraspedina Haeckel 1887 (Genus)
Amphicraspedon Haeckel 1887 (Genus)
Amphicraspedula Haeckel 1887 (Genus)
Amphicraspedum Haeckel 1881 (Genus)
Amphicyclia Haeckel 1881 (Genus)
Amphiexis de Folin 1885 (Genus)
Amphigramma Reinsch 1877 (Genus)
Amphilarcus Tedeschi 1895 (Genus)
Amphilepidina Douvill 1922 (Genus)
Amphilithopyxis Deflandre 1932 (Genus)
Amphiloncharium Haeckel 1887 (Genus)
Amphilonchidium Haeckel 1887 (Genus)
Amphilothus Kofoid 1907 (Genus)
Amphimelissa Joergensen 1905 (Genus)
Amphimetron Popofsky 1904 (Genus)
Amphiplecta Haeckel 1881 (Genus)
Amphisia Sterki 1878 (Genus)
Amphisphaerantha Haeckel 1887 (Genus)
Amphisphaeridium Haeckel 1887 (Genus)
Amphisphaerissa Haeckel 1887 (Genus)
Amphisphaeromma Haeckel 1887 (Genus)
Amphispyridium Haeckel 1887 (Genus)
Amphispyris Haeckel 1881 (Genus)
Amphispyrium Haeckel 1887 (Genus)
Amphistylus Haeckel 1881 (Genus)
Amphitholissa Haeckel 1887 (Genus)
Amphitholura Haeckel 1887 (Genus)
Amphitropis Gicklhorn 1920 (Genus)
Amphymenium Haeckel 1881 (Genus)
Amygdalites Costa 1839 (Genus)
Amylax Meunier 1910 (Genus)
Anchorina Mingazzini 1891 (Genus)
Ancistruma Strand 1928 (Genus)
Ancyrium Werneck 1841 (Genus)
Andromedes de Montfort 1808 (Genus)
Anhymenia Fabre-Doumergue 1888 (Genus)
Annulite McClelland 1835 (Genus)
Antenor de Montfort 1808 (Genus)
Anthocorys Haeckel 1881 (Genus)
Anthocyrtarium Haeckel 1887 (Genus)
Anthocyrtella Haeckel 1887 (Genus)
Anthocyrtissa Haeckel 1887 (Genus)
Anthocyrtoma Haeckel 1887 (Genus)
Anthocyrtonium Haeckel 1887 (Genus)
Anthocyrtura Haeckel 1887 (Genus)
Anthocyrturium Haeckel 1887 (Genus)
Anthomma Haeckel 1887 (Genus)
Anthophysis Bory de St. Vincent 1822 (Genus)
Antigonigeppia Kuntze 1893 (Genus)
Anurosporidium Caullery & Chappelier 1906 (Genus)
Apgaria Stokes 1884 (Genus)
Aphrosina Carter 1879 (Genus)
Aphthomonas Stauffacher 1916 (Genus)
Aporea Bailey 1851 (Genus)
Aporiella Krassilstschik 1909 (Genus)
Apiococcella Strand 1928 (Genus)
Apionidium Perty 1852 (Genus)
Aplosporidium Caullery & Mesnil 1899 (Genus)
Apocubus Haeckel 1887 (Genus)
Arachnella Kent 1881-82 (Genus)
Arachnidiumia Strand 1928 (Genus)
Arachnocorallium Haeckel 1887 (Genus)
Arachnocoronium Haeckel 1887 (Genus)
Arachnocorythium Haeckel 1887 (Genus)
Arachnopegma Haeckel 1881 (Genus)
Arachnopila Haeckel 1887 (Genus)
Arachnopilium Haeckel 1881 (Genus)
Arachnosphaerella Haeckel 1887 (Genus)
Arachnosphaeromma Haeckel 1887 (Genus)
Arachnospongus Mast 1910 (Genus)
Arachnothauma Zacharias 1906 (Genus)
Archaecyclina Silvestri 1910 (Genus)
Archaelagena Howchin 1888 (Genus)
Archaeosphaeridium Deflandre 1932 (Genus)
Archaeosphaerina Dawson 1876 (Genus)
Archaia Agassiz 1844 (Genus)
Archais Oken 1815 (Genus)
Archerina Lankester 1885 (Genus)
Archiacina Munier-Chalmers 1879 (Genus)
Archibursa Haeckel 1881 (Genus)
Archicapsa Haeckel 1881 (Genus)
Archicircus Haeckel 1887 (Genus)
Archicorys Haeckel 1881 (Genus)
Archidia Agassiz 1846 (Genus)
Archilophus Haeckel 1881 (Genus)
Archipera Haeckel 1881 (Genus)
Archiperidium Haeckel 1881 (Genus)
Archiphaena Haeckel 1887 (Genus)
Archiphatna Haeckel 1881 (Genus)
Archiphormis Haeckel 1881 (Genus)
Archistephus Haeckel 1887 (Genus)
Asterodiscocyclina Berry 1928 (Genus)
Arcuothrix (Genus)
Arcyothrix Hallez 1885 (Genus)
Arcyrioides Morgan 1893 (Genus)
Arduorhiza Wentzel 1889 (Genus)
Arenarium Agassiz (1843) (Genus)
Arenistella Fischer 1875 (Genus)
Arhabdomonas Fisch 1885 (Genus)
Armilla Rafinesque 1815 (Genus)
Armorella Heron-Allen & Earland 1932 (Genus)
Artidium Haeckel 1881 (Genus)
Artiscium Haeckel 1887 (Genus)
Artiscus Haeckel 1881 (Genus)
Artocapsa Haeckel 1881 (Genus)
Artocarpium Haeckel 1887 (Genus)
Artocorys Haeckel 1881 (Genus)
Artocyrtis Haeckel 1887 (Genus)
Artopera Haeckel 1881 (Genus)
Artophaena Haeckel 1881 (Genus)
Artophormis Haeckel 1881 (Genus)
Artostrobium Haeckel 1887 (Genus)
Artostrobulus Haeckel 1887 (Genus)
Artrostrobus Cleve 1899 (Genus)
Ascoidium Braun 1887 (Genus)
Ascosporidium Zacharias 1898 (Genus)
Asecta Popofsky 1913 (Genus)
Asellicola Plate 1888 (Genus)
Askopsis de Folin 1881 (Genus)
Aspidiophora Sjoestedt 1925 (Genus)
Aspidiscopsis Ghosh 1921 (Genus)
Astasiodes Buetschli 1884 (Genus)
Astasiopsis Buetschli 1884 (Genus)
Asteratites Bronn 1848 (Genus)
Asterorbis Vaughan & Cole 1932. Proc. nat. Acad. Sci. Washington (Genus)
Astylon Endlicher 1836 (Genus)
Atractolina Schlicht 1870 (Genus)
Auloceraea Haeckel 1887 (Genus)
Auloceratium Haeckel 1887 (Genus)
Aulocerium Parks 1909 (Genus)
Aulocoryne Fowler 1899 (Genus)
Aulodictyum Haeckel 1879 (Genus)
Aulographantha Haeckel 1887 (Genus)
Aulographidium Haeckel 1887 (Genus)
Aulographium Haeckel 1879 (Genus)
Astigerina Pictet 1846 (Genus)
Astractinium Haeckel 1887 (Genus)
Astractura Haeckel 1881 (Genus)
Astracturium Haeckel 1887 (Genus)
Astramoeba Vejdovsky 1881 (Genus)
Astraphidokrates Gistl [1847] (Genus)
Astrococcura Sutton 1895 (Genus)
Astrocyclia Haeckel 1881 (Genus)
Astrodisculus Greeff 1869 (Genus)
Astrolithium Haeckel (1861) (Genus)
Astroloncharium Haeckel 1887 (Genus)
Astrolonchidium Haeckel 1887 (Genus)
Astromma Ehrenberg (1847) (Genus)
Astrophacetta Haeckel 1887 (Genus)
Astrophacilla Haeckel 1887 (Genus)
Astrophacomma Haeckel 1887 (Genus)
Astrophacura Haeckel 1887 (Genus)
Astrophacus Haeckel 1881 (Genus)
Astrophormis Haeckel 1887 (Genus)
Astropolithon Dawson 1878 (Genus)
Astrorhizopsis de Folin ?1882 (Genus)
Astrosestantha Haeckel 1887 (Genus)
Astrosestilla Haeckel 1887 (Genus)
Astrosestomma Haeckel 1887 (Genus)
Astrosestrum Haeckel 1881 (Genus)
Astrosphaerella Haeckel 1887 (Genus)
Astrosphaeromma Haeckel 1887 (Genus)
Astrospongus Mast 1910 (Genus)
Astrostaurus Haeckel 1881 (Genus)
Astrostylus Haeckel 1887 (Genus)
Astrotium Morgan 1894 (Genus)
Atactodiscus Haeckel 1881 (Genus)
Atractospira de Folin 1883 (Genus)
Auchenaria Gistl 1848 (Genus)
Aulactinium Haeckel 1887 (Genus)
Aulancora Haeckel 1879 (Genus)
Aulatractus Haeckel 1887 (Genus)
Aulaxella Strand 1928 (Genus)
Aulopetasus Haecker 1908 (Genus)
Aulophacus Haeckel 1887 (Genus)
Aulophyton Immermann 1904 (Genus)
Auloscenidium Haeckel 1887 (Genus)
Auloscenium Haeckel 1887 (Genus)
Aulospathessa Haeckel 1887 (Genus)
Aulospathilla Haeckel 1887 (Genus)
Aulosphaerantha Haeckel 1887 (Genus)
Aulosphaerella Haeckel 1887 (Genus)
Aulosphaerissa Haeckel 1887 (Genus)
Aulosphaeromma Haeckel 1887 (Genus)
Aurantiella Chodat 1925 (Genus)
Autamoeba (Genus)
Autonomos de Folin ?1882 (Genus)
Awerintzevia Schouteden 1906 (Genus)
Axellipsis Haeckel 1887 (Genus)
Axocorys Haeckel 1881 (Genus)
Axodiscus Haeckel 1887 (Genus)
Axomastix Chalmers & Pekkola 1917 (Genus)
Babesiella Mesnil 1919 (Genus)
Bacterioidomonas Kuenstler 1884 (Genus)
Bacterium Ehrenberg 1831 (pls. 1828) (Genus)
Bactrammina Eimer & Fickert 1899 (Genus)
Baeonidium Perty 1849 (Genus)
Bifidellus Rafinesque 1815 (Genus)
Balanitozoon Stokes 1886 (Genus)
Balanophrya Kahl 1930 (Genus)
Balantioides Alexeieff 1931 (Genus)
Balantiophorus Schewiakoff 1889 (Genus)
Balanulina Rzehak 1888 (Genus)
Balladina Dahl 1932 (Genus)
Ballodora Dogiel & Furssenko 1926 (Genus)
Balononema Kahl 1931 (Genus)
Bananella Labb 1895 (Genus)
Baphonulines Zborzewski 1843 (Genus)
Barroussia Schneider 1885 (Genus)
Bathropyramis Haeckel 1881 (Genus)
Bathybiopsis de Folin ? 1882 (Genus)
Bathybius Huxley 1868 (Genus)
Bathymyxum Nusbaum-Hilarowicz 1915 (Genus)
Beloides Labb 1899 (Genus)
Bernardinella Pascher 1922 (Genus)
Beroetta Cleve 1899 (Genus)
Biala Schiller 1926 (Genus)
Botryocanna Haeckel 1881 (Genus)
Botryocella Haeckel 1881 (Genus)
Botryocortys Buetschli 1889 (Genus)
Botryocystis Kuetzing 1843 (Genus)
Botryopera Haeckel 1887 (Genus)
Botryople Carter 1893 (Genus)
Bikoeca Stein 1878 (Genus)
Bisphaerocephalus Popofsky 1908 (Genus)
Blastosporidium Hartman & Schoo 1914 (Genus)
Blephalax Rafinesque 1815 (Genus)
Blepharocyta Lemmermann 1899 (Genus)
Blephurus Rafinesque 1815 (Genus)
Blobula Rafinesque 1832 (Genus)
Blophastoma Rafinesque 1820 (Genus)
Borelia Agassiz 1844 (Genus)
Borrellina Paillot 1926 (Genus)
Bosporella Hovasse 1931 (Genus)
Bothriocerca Eichwald 1847 (Genus)
Bothryocampe Zittel 1876 (Genus)
Botriocyrtis Buetschli 1881 (Genus)
Botryacantha Haeckel 1881 (Genus)
Brachiospyris Haeckel 1881 (Genus)
Bradyella Munier-Chalmas 1891 (Genus)
Branchiocystis Burchardt 1900 (Genus)
Branchioecetes Kahl 1931 (Genus)
Branchiophaga Mazzarelli 1905 (Genus)
Bruguiria Prever 1902 (Genus)
Buccinis Ledermueller 1761 (Genus)
Caementella Borgert 1909 (Genus)
Buehringa Busch 1921 (Genus)
Btschlia Schuberg 1888 (Genus)
Btschliella Awerinzew 1908 (Genus)
Burgundia Toernquist 1901 (Genus)
Bursalinus Kalmus 1929 (Genus)
Bursella Schmidt 1921 (Genus)
Cadiumella Strand 1928 (Genus)
Caenomophina Blochmann 1898 (Genus)
Cahos Bory de St. Vincent 1823 (Genus)
Calcaromma Thomson 1877 (Genus)
Calciococcus ? Author (Genus)
Calcioconus Schiller 1925 (Genus)
Calcisphaera Dawson 1881 (Genus)
Calcisphaere Sherborn 1902 (Genus)
Calcituba Roboz 1884 [Sep. 1883] (Genus)
Callitiara Haeckel [1879] (Genus)
Callyntrochlamys Frenzel 1885 (Genus)
Calocycletta Haeckel 1887 (Genus)
Calocyclissa Haeckel 1887 (Genus)
Calocycloma Haeckel 1887 (Genus)
Calocyclura Haeckel 1887 (Genus)
Caloneme Morgan 1893 (Genus)
Calpocapsa Haeckel 1887 (Genus)
Campbellosphaera Shaw 1919 (Genus)
Cardiosporidium Gaver & Stephan 1907 (Genus)
Cenchridium Ehrenberg 1845 (Genus)
Cenellipsis Haeckel 1887 (Genus)
Cenellipsium Haeckel 1887 (Genus)
Cenellipsula Haeckel 1887 (Genus)
Camerina Bruguire 1789 (Genus)
Cannacantha Baeckel 1879 (Genus)
Cannartidella Haeckel 1887 (Genus)
Cannartidissa Haeckel 1887 (Genus)
Cannobelos Haeckel 1887 (Genus)
Cannobotrys Haeckel 1881 (Genus)
Cannocapsa Haeckel 1887 (Genus)
Cannophilus Broch 1907 (Genus)
Cannophysa Haeckel 1888 (Genus)
Cannorhaphis Haeckel 1879 (Genus)
Cannorrhaphis Haeckel 1887 (Genus)
Cannosphaera Haeckel 1879 (Genus)
Cantharipes Agassiz 1846 (Genus)
Canthropus Oken 1815 (Genus)
Caos Brera 1811 (Genus)
Capitellina Marsson 1878 (Genus)
Carbasaria Dalyell 1853 (Genus)
Carcerinia Martius 1817 (Genus)
Carcris Deshayes 1830 (Genus)
Cariniella Pinto 1926 (Genus)
Carpocanidium Haeckel 1887 (Genus)
Carpocanobium Haeckel 1887 (Genus)
Carpolithis Ehrenberg 1847 (Genus)
Caryatractus Haeckel 1887 (Genus)
Caryodoras Haeckel 1881 (Genus)
Caryodruppula Haeckel 1887 (Genus)
Caryolithis Ehrenberg 1847 (Genus)
Caryolonche Haeckel 1881 (Genus)
Caryolysus Labb 1899 (Genus)
Caryomma Haeckel 1887 (Genus)
Caryophagus Labb 1899 (Genus)
Caryoryctes Calkins 1904 (Genus)
Caryosphaera Haeckel 1881 (Genus)
Caryostaurus Haeckel 1881 (Genus)
Caryostylos Haeckel 1887 (Genus)
Caryostylus Haeckel 1881 (Genus)
Caryoxiphus Haeckel 1881 (Genus)
Castellanella Chalmers 1918 (Genus)
Catarola Strand 1929 (Genus)
Catinulus Haeckel 1887 (Genus)
Caudamoeba Faust 1923 (Genus)
Caullerya Chatton 1907 (Genus)
Cayeuxina Galloway 1933 (Genus)
Cecryphalium Haeckel 1881 (Genus)
Celibs Sherborn 1893 (Genus)
Cellanthus Montfort 1808 (Genus)
Cenodiscus Haeckel 1887 (Genus)
Cenolarcopyle Tan 1928 (Genus)
Cenolarcus Haeckel 1887 (Genus)
Ceratospiris Bury [1862] (Genus)
Ceratospirulima Ehrenberg 1858 (Genus)
Charteria Schmidle 1903 (Genus)
Charybs de Montfort 1808 (Genus)
Centracontium Popofsky 1912 (Genus)
Centrospira Haeckel 1881 (Genus)
Ceophonus Bosc 1816 (Genus)
Cephalolithis Ehrenberg 1847 (Genus)
Cephalopyramis Haeckel 1881 (Genus)
Cephinus Rafinesque 1815 (Genus)
Cepinula Schafhaeutl 1850 (2nd Issue 1851) (Genus)
Cepinulina Schafhaeutl 1851 (Genus)
Cepiopterines Zborzewski 1843 (Genus)
Cerasophaera Haeckel 1881 (Genus)
Cerataria Zalessky (1926) (Genus)
Ceratastrum Haeckel 1881 (Genus)
Ceratidium Ehrenberg 1838 (Genus)
Ceratochorris Dady 1888 (Genus)
Ceratocorrys Schroeder 1906 (Genus)
Ceratocyrtis Buetschli 1881 (Genus)
Cercobodo Krassilstschik 1886 (Genus)
Cercomastix Lemmermann 1913 (Genus)
Cercoplasma Roubaud 1911 (Genus)
Ceriasparium Haeckel 1887 (Genus)
Ceriaspidium Haeckel 1887 (Genus)
Ceriosphaera Haeckel 1881 (Genus)
Cerobalana Agassiz 1846 (Genus)
Cerona Agassiz 1846 (Genus)
Cerviciferina Goddard & Jensen 1907 (Genus)
Chaenia Lepsi 1927 (Genus)
Chaenicosphaera Cleve 1904 (Genus)
Chaetoglena Ehrenberg [1834] (Genus)
Chaetomonas Ehrenberg (1832) (Genus)
Chaetoproteus Stein 1857 (Genus)
Chaetotrochus Ehrenberg 1866 (Genus)
Chaetotyphla Ehrenberg [1834] (Genus)
Chalazodes Parks 1908 (Genus)
Challengerantha Haeckel 1887 (Genus)
Challengerebium Haeckel 1887 (Genus)
Challengeretta Haeckel 1887 (Genus)
Challengeridium Haeckel 1887 (Genus)
Challengerilla Haeckel 1887 (Genus)
Challengeromma Haeckel 1887 (Genus)
Chasmostomum Massart 1920 (Genus)
Chathrocysta Stein 1883 (Genus)
Chatterjeeia Rodriguez Lopez-Neyra & Suarez Peregrin 1933 (Genus)
Checchiaites Sorrentino 1934 (Genus)
Cheiramina de Folin 1881 (Genus)
Chichkovia Valkanov (Genus)
Chilodinium Massart 1920 (Genus)
Chiloma Agassiz 1846 (Genus)
Chilomma Ehrenberg 1847 (Genus)
Chlorogoniella Schmidle 1903 (Genus)
Chitonastrella Haeckel 1887 (Genus)
Chitonastromma Haeckel 1887 (Genus)
Chitonicium Plate 1899 (Genus)
Chlamidodon Ehrenberg [1836] (Genus)
Chlamidomonas Ehrenberg [1834] (Genus)
Chlamidophora Ehrenberg 1856 (Genus)
Chlamydamoeba Collin 1912 (Genus)
Chlamydobotris Korschikov 1924 (Genus)
Chlamydococcus Braun 1850 (Genus)
Chlamydosphaera Schkorbatov 1926 (Genus)
Chlamydozoon Prowazek 1907 (Genus)
Chlorachne Schiller 1926 (Genus)
Chloranima Strand 1928 (Genus)
Chloroceras Schiller 1927 (Genus)
Chlorochromonas Lewis 1913 (Genus)
Chlorotriangulum Pascher 1922 (Genus)
Chlorovitta Schiller 1926 (Genus)
Choanocystella Mello 1931 (Genus)
Choenicosphaerium Haeckel 1887 (Genus)
Choenicosphaerula Haeckel 1887 (Genus)
Chondropus Greeff 1873 (Genus)
Chondrostagon Babudieri 1932 (Genus)
Chondrostes Gistl [1847] (Genus)
Choporus Gistl 1848 (Genus)
Chromatella Frenzel 1891 (Genus)
Chromatophagus Kerbert 1884 (Genus)
Chromyechinus Joergensen 1905 (Genus)
Chromyomma Joergensen 1900 (Genus)
Chrysidalis Schiller 1929 (Genus)
Chrysidella Pascher 1911 (Genus)
Chrysocarnegia Strand 1929 (Genus)
Chrysolus de Montfort 1808 (Genus)
Chrysophidia Morgan 1893 (Genus)
Chrysotheka Doflein 1923 (Genus)
Circocastanea Haecker 1906 (Genus)
Circoporetta Haecker 1906 (Genus)
Circosphaera Haeckel 1879 (Genus)
Circospyris Haeckel 1881 (Genus)
Cimaenomonas Grassi 1882 (Genus)
Cinclopyramis Haeckel 1879 (Genus)
Cinelopyramis Certes 1889 (Genus)
Cirrolus Martins 1821 (Genus)
Cistidium Gamble 1909 (Genus)
Citharistis Lemmermann 1903 (Genus)
Cithoryctes Stiles & Hassall 1925 (Genus)
Citoryctes Guarnieri 1892 (Genus)
Cladarachnium Haeckel 1881 (Genus)
Cladocalpis Haeckel 1881 (Genus)
Cladococcalis Haeckel 1887 (Genus)
Cladococcinus Haeckel 1887 (Genus)
Cladococcodes Haeckel 1887 (Genus)
Cladococcurus Haeckel 1887 (Genus)
Cladocorona Haeckel 1881 (Genus)
Cladophatna Haeckel 1881 (Genus)
Cladopyramis Haeckel 1881 (Genus)
Cladospyris Ehrenberg (1847) (Genus)
Clapardia Diesing [non Quatrefages] 1866 (Genus)
Clathrobursa Haeckel 1881 (Genus)
Clathrocanidium Haeckel 1887 (Genus)
Clathrocapsa Stein 1883 (Genus)
Clathrocircus Haeckel 1881 (Genus)
Clathrocorona Haeckel 1881 (Genus)
Clathrocyclia Haeckel 1887 (Genus)
Clathrocycloma Haeckel 1887 (Genus)
Clathrocyclos Broch 1905 (Genus)
Clathrodastrum Kuntze 1891 (Genus)
Clathrodictyum Haeckel 1896 (Genus)
Clathrodastron Adanson 1763 (Genus)
Clathrodes Adanson 1763 (Genus)
Clathrolychnus Haeckel 1881 (Genus)
Clathropilium Haeckel 1881 (Genus)
Clathropyrgus Haeckel 1881 (Genus)
Clathrosphaerium Haeckel 1887 (Genus)
Clathrosphaerula Haeckel 1887 (Genus)
Clathrostoma Penard [1921] (Genus)
Clausulus Montfort 1808 (Genus)
Clavulinella Schubert 1920 (Genus)
Clepsidrina Hammerschmidt 1838 (Genus)
Clepsydrina Agassiz 1846 (Genus)
Clidostomum Ehrenberg 1845 (Genus)
Climacammina Brady 1876 (Genus)
Clipeodinium Pascher 1919 (Genus)
Clisiphontes Montfort 1808 (Genus)
Clistophaena Haeckel 1887 (Genus)
Clistophatna Haeckel 1881 (Genus)
Coelodoras Haeckel 1887 (Genus)
Coelodrymus Haeckel 1879 (Genus)
Clostenema Stokes 1886 (Genus)
Clypeocyclina Silvestri 1910 (Genus)
Clyphogonium Reinsch 1877 (Genus)
Clypoleum Gourret & Roeser 1888 (Genus)
Clypta Gistl 1848 (Genus)
Coccidiopsis Sokoloff 1913 (Genus)
Coccidium Leuckart 1879 (Genus)
Coccochrysis Conrad 1926 (Genus)
Coccocyclia Haeckel 1881 (Genus)
Coccolarcus Haeckel 1887 (Genus)
Coccolithophora Lohmann 1902 (Genus)
Coccosphaera Perty 1852 (Genus)
Coccostaurus Haeckel 1881 (Genus)
Coccudina Bory de St Vincent 1827 (Genus)
Coccymelium Haeckel 1887 (Genus)
Coccymyxoides Lo-Giudice 1912 (Genus)
Cochleamoeba Schneider 1887 (Genus)
Cochliella Joergensen 1924 (Genus)
Codonodesmus Stein 1878 (Genus)
Coelacantha Hertwig 1879 (Genus)
Coelagalma Haeckel 1887 (Genus)
Coelechinus Haecker 1904 (Genus)
Coelodasea Haeckel 1887 (Genus)
Coelodecas Haeckel 1887 (Genus)
Coelodendridium Haeckel 1887 (Genus)
Coelodendron Gamble 1909 (Genus)
Coelodendronium Haeckel 1887 (Genus)
Coelodiceras Haecker 1907 (Genus)
Coelomonas Stein 1878 (Genus)
Coelophlegma Moebius 1887 (Genus)
Coelopodium Popofsky 1926 (Genus)
Coelostylus Haeckel 1887 (Genus)
Coelothamnus Haeckel 1879 (Genus)
Coelothauma Haeckel 1879 (Genus)
Coelotholus Haeckel 1887 (Genus)
Coelotrochium Schlueter 1879 (Genus)
Coenicosphaera [? Author] 1909 (Genus)
Coleaspidium Haeckel 1887 (Genus)
Collinophrya Kahl 1934 (Genus)
Collodastrum Haeckel 1887 (Genus)
Collodinium Haeckel 1887 (Genus)
Collodiscus Haeckel 1887 (Genus)
Collophidium Haeckel 1887 (Genus)
Colloprunum Haeckel 1887 (Genus)
Collozoon Hensen 1887 (Genus)
Colnicosphaera [? Author] 1909 (Genus)
Colobidium Perty 1852 (Genus)
Cometodendren Swarczewsky 1928 (Genus)
Concharium Haeckel 1879 (Genus)
Conchasma Haeckel 1887 (Genus)
Conchocystis Haecker 1908 (Genus)
Conchophthirius Stein 1861 (Genus)
Conchularia Weisse 1844 (Genus)
Conchura Haeckel 1887 (Genus)
Coniocyclis Fol 1881 (Genus)
Coniocylis Fol 1881 (Genus)
Conocylis Meunier 1910 (Genus)
Cononympha Oshima 1917 (Genus)
Conostrobus Haeckel 1887 (Genus)
Conostylus Popofsky 1907 (Genus)
Contortiocorpa Bhatia & Setna 1935 (Genus)
Convallarina Bory de St. Vincent 1823 (Genus)
Conyaulax Linko 1907 (Genus)
Copromastix Arago 1916 (Genus)
Copromyxa Zopf 1885 (Genus)
Coratomyxa da Cunha & da Fonseca 1918 (Genus)
Corbicrea Dangeard 1888 (Genus)
Corcosphaera Certes 1889 (Genus)
Corethria Wright 1859 (Genus)
Cornucella Borgert 1907 (Genus)
Cornumonas Schiller 1926 (Genus)
Cornustrobus Haeckel 1887 (Genus)
Cornutanna Haeckel 1881 (Genus)
Cornutellium Haeckel 1881 (Genus)
Cornutissa Haeckel 1881 (Genus)
Cornutosa Haeckel 1881 (Genus)
Cornutura Haeckel 1881 (Genus)
Coronidium Haeckel 1887 (Genus)
Coronophatna Haeckel 1881 (Genus)
Corticella Ehrenberg 1872 (Genus)
Cortina Haeckel 1887 (Genus)
Cortiniscus Haeckel 1887 (Genus)
Cromyatractium Haeckel 1887 (Genus)
Corythion Tarnek 1882 (Genus)
Corythospyris Haeckel 1881 (Genus)
Coscinasparium Haeckel 1887 (Genus)
Coscinaspidium Haeckel 1887 (Genus)
Coscinoconus Leupold & Bigler 1935 (Genus)
Coscinomma Haeckel 1887 (Genus)
Coscinommarium Haeckel 1887 (Genus)
Coscinommidium Haeckel 1887 (Genus)
Coscinommonium Haeckel 1887 (Genus)
Coscinosphaera Stuart 1866 (Genus)
Coscinospira Ehrenberg [1839] (Genus)
Cosmella Nordmann 1845 (Genus)
Costiopsis Senn 1900 (Genus)
Councilmania Kofoid & Swezy 1921 (Genus)
Coxliella Brandt 1907 (Genus)
Crapulo Miehe 1901 (Genus)
Craspedilium Haeckel 1887 (Genus)
Craspedomma Haeckel 1887 (Genus)
Craspedonotana Strand 1928 (Genus)
Craterocyclas Haecker 1908 (Genus)
Crepidulina de Blainville 1824 (Genus)
Cretya Mingazzini 1892 (Genus)
Cribrostomum Moeller 1879 (Genus)
Cricocoleps Diesing 1866 (Genus)
Cricundella Kofoid & Campbell 1929 (Genus)
Crinisus Rafinesque 1815 (Genus)
Cristallosphaera Popofsky 1912 (Genus)
Cristellaria Lamarck 1816 (Genus)
Cromyocarpus Haeckel 1887 (Genus)
Cromyodruppa Haeckel 1887 (Genus)
Cromyodruppium Haeckel 1887 (Genus)
Cromyodrymus Haeckel 1881 (Genus)
Cormyomma Haeckel 1862 (Genus)
Cromyommetta Haeckel 1887 (Genus)
Cromyommura Haeckel 1887 (Genus)
Cromyosphaera Haeckel 1881 (Genus)
Cromyosphaerium Haeckel 1881 (Genus)
Cromyostaurus Haeckel 1881 (Genus)
Cromyostylus Haeckel 1881 (Genus)
Cromyotractus Haeckel 1887 (Genus)
Crossopyxis Ehrenberg 1872 (Genus)
Crucidiscus Haeckel 1887 (Genus)
Cryptasterorbis Rutten 1935 (Genus)
Cryptocapsa Haeckel 1881 (Genus)
Cryptochrysis Pascher 1911 (Genus)
Cryptocystes Gurley 1894 (Genus)
Cryptoicus Leidy 1847 (Genus)
Cryptopera Haeckel 1881 (Genus)
Cyanophora Korschikov 1926 (Genus)
Cryptoplasma Chatton & Blanc 1916 (Genus)
Cryptoprora Ehrenberg 1847 (Genus)
Crystallospora Labb 1896 (Genus)
Cubaxonium Haeckel 1887 (Genus)
Cubosphaera Haeckel 1887 (Genus)
Cubotholissa Haeckel 1887 (Genus)
Cubotholura Haeckel 1887 (Genus)
Curcurbitina Galloway 1933 (Genus)
Cyathomastix Prowazek & Werner 1915 (Genus)
Cyathosphaera Haeckel 1894 (Genus)
Cyclampterium Haeckel 1887 (Genus)
Cyclamptidium Haeckel 1887 (Genus)
Cyclanura Stokes 1886 (Genus)
Cyclasterella Castellani & Chalmers 1913 (Genus)
Cyclasterion Mallory 1905 (Genus)
Cyclastrum Ruest 1898 (Genus)
Cyclochaeta Jackson 1875 (Genus)
Cycloclypsinella Thalmann 1935 (Genus)
Cyclocyrrha Fabre-Domergue 1888 (Genus)
Cyclolepidina Whipple 1934 (Genus)
Cyclophthalmidium Lister 1903 (Genus)
Cyclosiphon Ehrenberg 1856 (Genus)
Cymbalopora Hagenow 1851 (Genus)
Cymbicides Costa 1839 (Genus)
Cyprinaria Morren 1829 (Genus)
Cythoryctes Stiles & Hassall 1925 (Genus)
Cytidium Morgan 1896 (Genus)
Cytocladus Schroeder 1906 (Genus)
Cydalisia Lesson (1838) (Genus)
Cylastrum Ruest 1898 (Genus)
Cylindromonas Hansgirg 1888 (Genus)
Cymricides Costa 1839 (Genus)
Cypassis Haeckel 1887 (Genus)
Cyphantella Haeckel 1887 (Genus)
Cyphantissa Haeckel 1887 (Genus)
Cyphidium Ehrenberg [1836] (Genus)
Cyphinidium Haeckel 1887 (Genus)
Cyphinidoma Haeckel 1887 (Genus)
Cyphinidura Haeckel 1887 (Genus)
Cyphinoma Haeckel 1887 (Genus)
Cyphinura Haeckel 1887 (Genus)
Cyphocolpus Haeckel 1887 (Genus)
Cyphonium Haeckel 1887 (Genus)
Cypridium Kent 1882 (Genus)
Cyrtocapsa Haeckel 1881 (Genus)
Cyrtocapsoma Haeckel 1887 (Genus)
Cyrtocorys Haeckel 1887 (Genus)
Cyrtolagena Haeckel 1887 (Genus)
Cyrtolarcus Tedeschi 1895 (Genus)
Cyrtophorana Strand 1929 (Genus)
Cyrtophormiscus Haeckel 1887 (Genus)
Cyrtophormium Haeckel 1887 (Genus)
Cyrtostephanus Popofsky 1913 (Genus)
Cyrtostomum Stein 1859 (Genus)
Cyrtostrobus Haeckel 1887 (Genus)
Cysteodictyina Carter 1880 (Genus)
Cystidina Volz 1929 (Genus)
Cystidium Hertwig 1879 (Genus)
Cystobia Mingazzini 1891 (Genus)
Cystodiscus Lutz 1889 (Genus)
Cystophormis Haeckel 1887 (Genus)
Cystotrypanosoma Roubaud 1911 (Genus)
Cytaeandra Haeckel [1879] (Genus)
Cytomorpha Mingazzini 1891 (Genus)
Cytophagus Steinhaus 1891 (Genus)
Cytorhyctes Siegel 1904 (Genus)
Cytorhyktes Stiles & Hassall 1925 (Genus)
Cytorictes Stiles & Hassall 1925 (Genus)
Cytorrhyctes Stiles & Hassall 1925 (Genus)
Cytorrhyktes Stiles & Hassall 1925 (Genus)
Cytorryktes Stiles & Hassall 1925 (Genus)
Cytoryctes Stiles & Hassall 1925 (Genus)
Cytoryktes Stiles & Hassall 1925 (Genus)
Cytosporon Danilewsky 1891 (Genus)
Cytozoon Danilewsky 1891 (Genus)
Dasystera Rafinesque 1815 (Genus)
Dermatosphaera Ehrenberg 1860 (Genus)
Dermatostroma Parks 1910 (Genus)
Dactyliodiscus Squinabol 1903 (Genus)
Dactyliosphaera Squinabol 1904 (Genus)
Dactylosphaeria Buetschli 1880 (Genus)
Dallasia Stokes 1886 (Genus)
Dallengeria Boeck & Stiles 1923 (Genus)
Danilewskya Labb 1894 (Genus)
Darbyella Howe & Wallace 1933 (Genus)
Deinamoeba Leidy 1874 (Genus)
Deltomonas Kent 1880 (Genus)
Dendrocircus Haeckel 1881 (Genus)
Dendropela Folin 1883 (Genus)
Dendrosoma Ehrenberg (1838) (Genus)
Denritina Nicolucci 1846 (Genus)
Dentalen Ledermuller 1763 (teste Waterhouse 1902 (Genus)
Depratella Ozawa 1928 (Genus)
Dermacentroxenus Wolbach 1919 (Genus)
Dermosporidium Marcone 1908 (Genus)
Diacanthocapsa Squinabol 1903 (Genus)
Diachaeella Hoehnel 1909 (Genus)
Deropsis Rafinesque 1815 (Genus)
Desmartus Haeckel 1887 (Genus)
Desmatocium Gabb 1860 (Genus)
Desmocampe Haeckel 1887 (Genus)
Desmospyris Haeckel 1881 (Genus)
Diapora Bargatzky 1881 (Genus)
Diceratium Agassiz 1846 (Genus)
Dicercomonas Diesing 1866 (Genus)
Dicerratella Bory de St. Vincent 1824 (Genus)
Dicoccura Carter 1896 (Genus)
Dicolocapsa Haeckel 1881 (Genus)
Dicorys Popofsky 1913 (Genus)
Dicranaster Haeckel 1887 (Genus)
Dictiomyxa Monticelli 1897 (Genus)
Dictocephalus Haeckel 1881 (Genus)
Dictyacantha Schewiakoff 1926 (Genus)
Dictyastrella Haeckel 1887 (Genus)
Dictyastromma Haeckel 1887 (Genus)
Dictyatractus Haeckel 1881 (Genus)
Dictyocircus Joergensen 1905 (Genus)
Dictyocodella Haeckel 1887 (Genus)
Dictyocodoma Haeckel 1887 (Genus)
Dictyocoleps Diesing 1866 (Genus)
Dictyoconos Blanckenhorn 1900 (Genus)
Dictyocorine Certes 1889 (Genus)
Dictyocoryne Ehrenberg 1861 (Genus)
Dictyocorynium Haeckel 1887 (Genus)
Dictyocorynula Haeckel 1887 (Genus)
Dictyocryphalus Haeckel 1887 (Genus)
Dictyolithis Ehrenberg 1847 (Genus)
Dictyomitra Zittel 1876 (Genus)
Dictyomitrella Haeckel 1887 (Genus)
Dictyomitrissa Haeckel 1887 (Genus)
Dictyomitroma Haeckel 1887 (Genus)
Dioniscus Haeckel 1887 (Genus)
Discorhynchus Labb 1899 (Genus)
Dictyophimium Haeckel 1887 (Genus)
Dictyoplegma Haeckel 1862 (Genus)
Dictyoprona Haeckel 1887 (Genus)
Dictyoprora Haeckel 1881 (Genus)
Dictyosphagma Mivart 1878 (Genus)
Dictyospizis Ehrenberg 1856 (Genus)
Dictyospyrantha Haeckel 1887 (Genus)
Dictyospyrella Haeckel 1887 (Genus)
Dictyospyrissa Haeckel 1887 (Genus)
Dictyospyromma Haeckel 1887 (Genus)
Didymophormis Haeckel 1881 (Genus)
Difmus Gaebel 1914 (Genus)
Digitalina Bory de St. Vincent 1824 (Genus)
Dillina Munier-Chalmas & Schlumberger 1883 (Genus)
Dimastix Diesing 1848 (Genus)
Dimoerium Przesmycki 1901 (Genus)
Dimorphiella Valkanov 1928 (Genus)
Dimorphophyllia Reuss 1863 (Genus)
Dinamoeba Pascher 1916 (Genus)
Dinastrium Doflein 1928 (Genus)
Dinobryum Agassiz 1846 (Genus)
Diodiathesis de Folin? 1882 (Genus)
Diphterium Brongniart 1824 (Genus)
Diplactinium Haeckel 1887 (Genus)
Diplactura Haeckel 1881 (Genus)
Diplacturium Haeckel 1887 (Genus)
Diplellipsis Popofsky 1908 (Genus)
Dipleurostyla Roux 1899 (Genus)
Diplocaryozoon Prowazek 1913 (Genus)
Diplocolpium Haeckel 1887 (Genus)
Diplocolpulus Haeckel 1887 (Genus)
Diploconium Haeckel 1887 (Genus)
Diploconulus Haeckel 1887 (Genus)
Diplocyclas Haeckel 1881 (Genus)
Diplodorina Fromentel 1874 (Genus)
Diplomasta de Folin 1881 (Genus)
Diplomastax Stokes 1886 (Genus)
Diplomestoma Stokes 1886 (Genus)
Diplomonadina Dangeard 1902 (Genus)
Diploplegma Hinde 1890 (Genus)
Diplosphaeromma Haeckel 1887 (Genus)
Diplospongus Mast 1910 (Genus)
Diplospyla Kellicott 1885 (Genus)
Diplostrobus Squinabol 1903 (Genus)
Diplotricha Ehrenberg 1838 (Genus)
Dipocoronis Haeckel 1881 (Genus)
Dipocubus Haeckel 1887 (Genus)
Dipodospyris Haeckel 1881 (Genus)
Diporasparium Haeckel 1887 (Genus)
Diporaspidium Haeckel 1887 (Genus)
Dipospyris Haeckel 1887 (Genus)
Disceraea Morren 1841 (Genus)
Discodella Weisse 1845 (Genus)
Discolita Rafinesque 1815 (Genus)
Discolites de Montfort 1808 (Genus)
Discolithes Fortis 1801 (Genus)
Discolithis Bronn 1825 (Genus)
Discolithus Fortis 1802 (Genus)
Discorbina Carpenter 1862 (Genus)
Discorbites Lamarck 1804 (Genus)
Discorbitus Rafinesque 1815 (Genus)
Discozonium Haeckel 1887 (Genus)
Diselmis Dujardin 1837 (Genus)
Disoma Ehrenberg 1831 (pls. 1828) (Genus)
Disphoeridium Trouessart 1898 (Genus)
Displostauron Korschikov 1926 (Genus)
Dispongia Popofsky 1912 (Genus)
Dispongotripus Squinabol 1903 (Genus)
Distephanolithis Ehrenberg 1860 (Genus)
Distoxum Doflein 1929 (Genus)
Distriactis Haeckel 1887 (Genus)
Districha Fromentel 1874 (Genus)
Distylocapsa Squinabol 1904 (Genus)
Ditecium Rafinesque 1815 (Genus)
Dizonaris Haeckel 1887 (Genus)
Dizonitis Haeckel 1887 (Genus)
Drepanomonas Fresenius 1858 (Genus)
Doliocystis Lger 1893 (Genus)
Doratacantha Haeckel 1881 (Genus)
Doratasparium Haeckel 1887 (Genus)
Dorataspidium Haeckel 1887 (Genus)
Doryconthidium Vinassa de Regny 1898 (Genus)
Dorydictyum Hinde 1890 (Genus)
Dorydiscus Carnevale 1909 (Genus)
Dorylonchidium Vinassa de Regny 1898 (Genus)
Dorypelma Haeckel 1881 (Genus)
Dorypelta Haeckel 1887 (Genus)
Dorypeltarium Haeckel 1887 (Genus)
Dorypeltidium Haeckel 1887 (Genus)
Dorypeltonium Haeckel 1887 (Genus)
Doryphacus Carnevale 1909 (Genus)
Doryplegma Hinde 1890 (Genus)
Doryprunum Vinassa de Regny 1898 (Genus)
Dorypyle Squinabol 1904 (Genus)
Dorysphaera Hinde 1890 (Genus)
Dounia Strand 1912 (Genus)
Doxococcus Ehrenberg [1830] (Genus)
Doyerius Ormancey 1852 (Genus)
Drepanidium Ehrenberg 1861 (Genus)
Drepanina Savi 1913 (Genus)
Drepanoceras Stein 1878 (Genus)
Drilosphaera Granata 1919 (Genus)
Druppalonche Hinde 1899 (Genus)
Druppastylus Cayeux 1897 (Genus)
Druppatractara Haeckel 1887 (Genus)
Druppatractium Haeckel 1887 (Genus)
Druppatractona Haeckel 1887 (Genus)
Druppatractylis Haeckel 1887 (Genus)
Druppocarpetta Haeckel 1887 (Genus)
Druppocarpissa Haeckel 1887 (Genus)
Druppocarpus Haeckel 1887 (Genus)
Druppula Haeckel 1887 (Genus)
Druppuletta Haeckel 1887 (Genus)
Druppulissa Haeckel 1887 (Genus)
Drymosphaerella Haeckel 1887 (Genus)
Drymosphaeromma Haeckel 1887 (Genus)
Drymospira Haeckel 1881 (Genus)
Drymyomma Joergensen 1900 (Genus)
Dumetum Popofsky 1908 (Genus)
Duttonella Chalmers 1918 (Genus)
Dyctyosoma Mueller 1856 (Genus)
Dynophysis Fromentel 1874 (Genus)
Dyospyris Haeckel 1881 (Genus)
Dyostephaniscus Haeckel 1881 (Genus)
Dyostephanus Haeckel 1881 (Genus)
Dyostephus Haeckel 1881 (Genus)
Dyoxeia de Folin 1881 (Genus)
Dyscollosphaera Haeckel 1887 (Genus)
Dysteropsis Roux 1899 (Genus)
Dystympanium Haeckel 1887 (Genus)
Eleutheropyxis Scherffel 1927 (Genus)
Echinactura Haeckel 1887 (Genus)
Echinobotrys Haeckel 1881 (Genus)
Echinocalpis Haeckel 1881 (Genus)
Echinocapsa Haeckel 1881 (Genus)
Echinochrysis Conrad 1926 (Genus)
Echinogromia Schroeder 1907 (Genus)
Echinomma Haeckel 1881 (Genus)
Echinommetta Haeckel 1887 (Genus)
Echinommura Haeckel 1887 (Genus)
Ectolagena Silvestri 1900 (Genus)
Egeon Montfort 1808 (Genus)
Ehrenbergius Ormancey 1852 (Genus)
Eickenia Frenzel 1891 (Genus)
Eilemammina de Folin 1881 (Genus)
Eimeriella Stiles 1902 (Genus)
Eirmocystis Lger 1892 (Genus)
Elaphococcinus Haeckel 1887 (Genus)
Elaphococculus Haeckel 1887 (Genus)
Elaphococcus Haeckel 1881 (Genus)
Elatommella Haeckel 1887 (Genus)
Elatommura Haeckel 1887 (Genus)
Eleaster Schmidt 1913 (Genus)
Elenis Agassiz 1844 (Genus)
Eliptophrya Kijenskii 1926 (Genus)
Ellipsodentalina Liebus (teste Galloway 1933 (Genus)
Ellipsolagena Silvestri 1923 (Genus)
Ellipsonodosaria Silvestri 1900 (Genus)
Ellipsopleurostomella Silvestri 1903 (Genus)
Ellipsosiphongenerina Silvestri 1923 (Genus)
Ellipsostigma Hinde 1899 (Genus)
Ellipsostyletta Haeckel 1887 (Genus)
Ellipsostylissa Haeckel 1887 (Genus)
Ellipsoxiphetta Haeckel 1887 (Genus)
Ellipsoxiphilla Haeckel 1887 (Genus)
Ellipsoxiphus Dunikowski 1882 (Genus)
Elvirea Parona 1886 (Genus)
Embadomonas Mackinnon 1911 (Genus)
Embolium Endlicher 1836 (Genus)
Encheleis Scopoli 1777 (Genus)
Enchelis Mueller 1773 (Genus)
Enchelyodon Claparde & Lachmann 1860 [sep. 1859] (Genus)
Endactis Rafinesque 1820 (Genus)
Endodromia Berkeley 1841 (Genus)
Endomyxa Serbinov 1916 (Genus)
Endophrys Przesmycki 1901 (Genus)
Endothyra Phillips [1845] (Genus)
Endyomena Zopf 1884 (Genus)
Ennealacorys Haeckel 1887 (Genus)
Enneaphormis Haeckel 1881 (Genus)
Enneaplagia Haeckel 1881 (Genus)
Enneaplegma Haeckel 1881 (Genus)
Enneapleuris Haeckel 1887 (Genus)
Enneplagidium Haeckel 1881 (Genus)
Enteromonas da Fonseca 1915 (Genus)
Enteromyxa Cienkowsky 1884 (Genus)
Entoplasma Castellani 1914 (Genus)
Entopolypoides Mayer 1933 (Genus)
Entosalenia Parker & Jones 1857 (Genus)
Entosolenia Williamson 1848 (Genus)
Entrochus Ehrenberg (1843) (Genus)
Eoalveolinella Silvestri 1928 (Genus)
Eodinina Eisenack 1935 (Genus)
Eozoon Dawson 1865 (Genus)
Epipora Rafinesque 1814 (Genus)
Epistelis Ehrenberg 1830 (Genus)
Epistomonas Corda 1838 (Genus)
Euchromulina Lemmermann 1908 (Genus)
Erythrocytonucleophaga Ivanic 1934 (Genus)
Esarabdina Mingazzini 1891 (Genus)
Ethmosphaerella Haeckel 1887 (Genus)
Ethmosphaeromma Haeckel 1887 (Genus)
Eubodo Diesing 1848 (Genus)
Eucadium Ehrenberg 1872 [sep. 1871] (Genus)
Eucamptocerca da Cunha 1914 (Genus)
Eucecryphalium Haeckel 1887 (Genus)
Euceratium Gran 1902 (Genus)
Eucharteria Schmidle 1903 (Genus)
Euchelydium Kahl 1930 (Genus)
Euchilomonas Diesing 1848 (Genus)
Euchlamydomonas Schmidle 1903 (Genus)
Euchondrioderma Lister 1894 (Genus)
Euchrysopyxis Lemmermann 1899 (Genus)
Eucoccidium Luehe 1902 (Genus)
Eucollosphaera Haeckel 1887 (Genus)
Eucomonas Moroff 1903 (Genus)
Eucormos Endlicher 1836 (Genus)
Eucoronis Haeckel 1881 (Genus)
Eucorycium Ehrenberg 1858 (Genus)
Eucraterium Morgan 1896 (Genus)
Eucribraria Rostafinski 1875 (Genus)
Eucryptomonas Diesing 1848 (Genus)
Eucyrtidium Ehrenberg (1847) (Genus)
Eucyrtis Haeckel 1881 (Genus)
Eucyrtium Bronn & Roemer 1854 (Genus)
Eucyrtomphalus Haeckel 1881 (Genus)
Eucytis Morgan 1896 (Genus)
Eudiderma Lister 1911 (Genus)
Eudidymium Lister 1911 (Genus)
Eudifflugia Diesing 1848 (Genus)
Endorinella Lemmermann 1900 (Genus)
Euheterodinium Kofoid 1906 (Genus)
Euhyalobryon Lemmermann 1903 (Genus)
Eulepocinclis Lemmermann 1905 (Genus)
Eulophomonas Grassi & Fo 1911 (Genus)
Eumonas Diesing 1848 (Genus)
Eumonodontophrya Heidenreich 1935 (Genus)
Eumonospora Allen 1933 (Genus)
Euodon Ehrenberg [1834] (Genus)
Eu-Oxytoxum Lemmermann 1905 (Genus)
Euperanema Diesing 1848 (Genus)
Euperichaena Raunkiaer 1888 (Genus)
Euperidinium Gran 1902 (Genus)
Euphacus Lemmermann 1901 (Genus)
Eureoryphalus Murray 1885 (Genus)
Eurhizostoma Haeckel 1880 (Genus)
Euscenarium Haeckel 1887 (Genus)
Euscenidium Haeckel 1887 (Genus)
Euscenium Haeckel 1887 (Genus)
Eusyringartus Haeckel 1887 (Genus)
Eusyringium Haeckel 1881 (Genus)
Eusyringoma Haeckel 1887 (Genus)
Eutympanium Haeckel 1881 (Genus)
Euuvella Diesing 1848 (Genus)
Exagonocyclina Checchia-Rispoli 1909 (Genus)
Examitus Pestana 1917 (Genus)
Exassula Ehrenberg 1872 [sep. 1871] (Genus)
Excentroconcha Mast 1910 (Genus)
Exechlyga Stokes 1884 (Genus)
Exochiton de Folin ?1882 (Genus)
Fascicolites Carter 1853 (Genus)
Fasciolites Parkinson 1811 (Genus)
Faujassina Terquem 1882 (Genus)
Exuviella Ostenfeld 1901 (Genus)
Fanapepea Prowazek 1911 (Genus)
Filigerina Schneider 1887 (Genus)
Finoporus Bronn 1837 (Genus)
Fissistomella Clodius 1922 (Genus)
Flabelliporus Dervieux 1893 (Genus)
Flosculina Stache 1880 (Genus)
Folius Soldani 1791 (Genus)
Franaiella Yakimoff 1926 (Genus)
Frankeina Cushman & Alexander 1929 (Genus)
Fusigonyaulax Kofoid 1911 (Genus)
Fyscosporidium Awerinzew 1924 (Genus)
Galependrum Lman 1820 (Genus)
Galeperdon Wiggers 1780 (Genus)
Gamospyris Haeckel 1881 (Genus)
Gasterochaeta Diesing 1850 (Genus)
Gastrochoeta Dujardin 1840 (Genus)
Gastrocystis Chatton 1910 (Genus)
Gastrophysema Haeckel 1875 (Genus)
Gimnodinium Garbini 1901 (Genus)
Gazellarium Haeckel 1887 (Genus)
Gazellidium Haeckel 1887 (Genus)
Gazellonium Haeckel 1887 (Genus)
Geinitzina Spandel 1901 (Genus)
Geniorhynchus Labb 1899 (Genus)
Geodinium Chodat 1928 (Genus)
Geophonus Montfort 1808 (Genus)
Geopona de Blainville 1824 (Genus)
Geoponus Ehrenberg [1839] (Genus)
Gervaisius Ormancey 1852 (Genus)
Giroidina Gurin 1844 (Genus)
Girtyina Staff 1909 (Genus)
Glandulodimorphina Silvestri 1901 (Genus)
Glandulonodosaria Silvestri 1900 (Genus)
Glandulopolymorphina Silvestri 1901 (Genus)
Glenadinium Entz 1884 (Genus)
Glenoaulax Diesing 1866 (Genus)
Glenoclosterium Carter 1869 (Genus)
Glenogonium Diesing 1866 (Genus)
Glenoidinium Butschinsky 1897 (Genus)
Glenomorum Ehrenberg 1838 (Genus)
Glenopanophrys Diesing 1866 (Genus)
Glenopolytoma Diesing 1866 (Genus)
Glenotrochilia Diesing 1866 (Genus)
Glenouvella Diesing 1866 (Genus)
Globicella Borgert 1907 (Genus)
Globidium Flesch 1883 (Genus)
Globigenera Sowerby 1842 (Genus)
Globisipinum Popofsky 1906 (Genus)
Globomonas Ribeiro da Fonseca 1918 (Genus)
Globulnia Costa 1856 (Genus)
Gloidium Sorokin 1878 (Genus)
Glossa Gourret & Roeser 1888 (Genus)
Glossatella Buetschli 1889 (Genus)
Glyphodinium Kofoid & Swezy 1921 (Genus)
Gmbelia Prever 1902 (Genus)
Gmbelina Egger 1889 (Genus)
Gmbelitria Cushman 1933 (Genus)
Haemoplasmodium Danilewsky 1886 (Genus)
Haemosporidium Lewkowitz 1897 (Genus)
Gonderia Toit 1918 (Genus)
Goniaulax Rauschenplat 1901 (Genus)
Goniospora Link 1809 (Genus)
Gonobia Mingazzini 1892 (Genus)
Gonomus Rafinesque 1815 (Genus)
Gonosphaera Joergensen 1905 (Genus)
Gonyodoma Entz 1905 (Genus)
Gordiammina Rhumbler 1895 (Genus)
Gorgonetta Haeckel 1887 (Genus)
Gorgospyris Haeckel 1881 (Genus)
Gorgospyrium Haeckel 1887 (Genus)
Goussia Labb 1896 (Genus)
Grabauina Lee 1924 (Genus)
Grammostomum Ehrenberg [1839] (Genus)
Grassia Fisch 1885 (Genus)
Grecarina Pinto 1918 (Genus)
Gregarinoides Fantham 1925 (Genus)
Gringa Frenzel 1897 (Genus)
Grymaea Fresenius 1858 (Genus)
Guttulidium Frenzel 1892 (Genus)
Guyenotia Naville 1930 (Genus)
Gyges Bory de St. Vincent 1827 (Genus)
Gymnastica Schiller 1925 (Genus)
Gymnodenium Nishikawa 1901 (Genus)
Gymnodinioides Minckiewicz 1912 (Genus)
Gymnonympha Dobell 1910 (Genus)
Gymnopharynx Diesing 1866 (Genus)
Gymnopithus Kahl 1926 (Genus)
Gyrocorys Stein 1860 (Genus)
Gyromonas Seligo 1886 (Genus)
Haemamoeba Grassi & Feletti 1890 (Genus)
Haemapium Eisen 1897 (Genus)
Haematomonas Mitrophanow 1883 (Genus)
Haematophyllum Metschnikoff 1887 (teste Waterhouse 1902 (Genus)
Haematractidium Henry 1910 (Genus)
Haemiophrya Kent 1882 (Genus)
Haemocystidium Castellani & Willey 1904 (Genus)
Haemocystozoon Franchini 1913 (Genus)
Haemocytozoon Danilewsky 1886 (Genus)
Haemotrichomonas Martoglio (teste Doflein 1928 (Genus)
Haerina Munier-Chalmas 1882 (Genus)
Helioamoeba Miller 1923 (Genus)
Heliochallengeron Haecker 1906 (Genus)
Hagiastrella Haeckel 1887 (Genus)
Hagiastromma Haeckel 1887 (Genus)
Hagiastrum Haeckel 1881 (Genus)
Halicapsa Haeckel 1881 (Genus)
Haliommantha Haeckel 1887 (Genus)
Haliommetta Haeckel 1887 (Genus)
Haliommilla Haeckel 1887 (Genus)
Haliommura Haeckel 1887 (Genus)
Haliphormis Ehrenberg (1847) (Genus)
Haliphysema Haeckel 1877 (Genus)
Halsis Stokes 1889 (Genus)
Halteridium Labb 1894 (Genus)
Harmodirus Perty 1852 (Genus)
Harpakter Burch 1885 (Genus)
Hartmanella Castellani & Chalmers 1920 (Genus)
Hauerinella Schubert 1920 (Genus)
Heineckia Lohmann 1920 (Genus)
Helcomastix Senn 1911 (Genus)
Helcosoma Wright 1903 (Genus)
Helichona Plate 1888 (Genus)
Helicites Gesner 1758 (Genus)
Helicoza Moebius 1880 (Genus)
Heliocladus Haeckel 1879 (Genus)
Heliocometes Sand 1899 (Genus)
Heliodendrum Haeckel 1887 (Genus)
Heliodiscetta Haeckel 1887 (Genus)
Heliodiscilla Haeckel 1887 (Genus)
Heliodiscomma Haeckel 1887 (Genus)
Heliodiscura Haeckel 1887 (Genus)
Heterocysta Stein 1883 (Genus)
Heliophrynella Vejdovsk 1882 (Genus)
Heliophrys Greeff 1873 (Genus)
Heliosestantha Haeckel 1887 (Genus)
Heliosestilla Haeckel 1887 (Genus)
Heliosestomma Haeckel 1887 (Genus)
Heliosestrum Haeckel 1881 (Genus)
Heliosomantha Haeckel 1887 (Genus)
Heliosomura Haeckel 1887 (Genus)
Heliosphaerella Haeckel 1887 (Genus)
Heliosphaerium Frenzel 1892 (Genus)
Heliosphaeromma Haeckel 1887 (Genus)
Heliostaurus Haeckel 1881 (Genus)
Heliostylus Haeckel 1881 (Genus)
Hemamoeba Labb 1899 (Genus)
Hemicristellaria Stache 1865 (Genus)
Hemicryptocapsa Tan 1928 (Genus)
Hemicyclostyla Stokes 1887 (Genus)
Hemifusina Moeller 1877 (Genus)
Hemiophrya Kent 1882 (Genus)
Hemiophrys Wrzeniowski 1870 (Genus)
Hemispeiropsis Koenig 1894 (Genus)
Hemoproteus Celli & San Felice 1891 (Genus)
Henterchelia Mackinnon & Ray 1931 (Genus)
Hepatocytes Levaditi & Schoen 1932 (Genus)
Heptaplegma Haeckel 1887 (Genus)
Herion Montfort 1808 (Genus)
Hermatostroma Nicholson 1886 (Genus)
Herpetosoma Doflein 1901 (Genus)
Heteroaulax Diesing 1866 (Genus)
Heterocosmia Ehrenberg 1872 [sep. 1871] (Genus)
Heterohelix Ehrenberg 1843 [teste Brady 1884 (Genus)
Heteromastix Woodcock [non Clark 1865] 1916 (Genus)
Heterosphaerina Mast 1910 (Genus)
Heterospongus Mast 1910 (Genus)
Heterospora Saint-Joseph 1907 (Genus)
Heterosteginoides Cushman 1918 (Genus)
Himantophorus Ehrenberg 1838 (Genus)
Hyaleina Costa 1856 (Genus)
Hexacaryum Haeckel 1881 (Genus)
Hexacladus Vinassa de Regny 1900 (Genus)
Hexacolparium Haeckel 1887 (Genus)
Hexacolpidium Haeckel 1887 (Genus)
Hexaconarium Haeckel 1887 (Genus)
Hexaconidium Haeckel 1887 (Genus)
Hexacontanna Haeckel 1887 (Genus)
Hexacontarium Haeckel 1887 (Genus)
Hexacontella Haeckel 1887 (Genus)
Hexaconthium Wesenberg-Lund 1903 (Genus)
Hexacontidium Wesenberg-Lund 1904 (Genus)
Hexacontosa Haeckel 1887 (Genus)
Hexacontura Haeckel 1887 (Genus)
Hexacorethra Haeckel 1887 (Genus)
Hexacoronis Haeckel 1887 (Genus)
Hexacromidium Haeckel 1887 (Genus)
Hexacromydium Haeckel 1881 (Genus)
Hexacromyon Haeckel 1887 (Genus)
Hexacromyum Haeckel 1881 (Genus)
Hexactinomyxon Stolc 1890 (Genus)
Hexactura Haeckel 1881 (Genus)
Hexadendrum Haeckel 1881 (Genus)
Hexadilemma Haeckel 1887 (Genus)
Hexadoras Haeckel 1881 (Genus)
Hexadoridium Haeckel 1881 (Genus)
Hexadorium Haeckel 1881 (Genus)
Hexadoros Swenander 1907 (Genus)
Hexadrymium Haeckel 1881 (Genus)
Hexalacorys Haeckel 1881 (Genus)
Hexalasparium Haeckel 1887 (Genus)
Hexalaspidium Haeckel 1887 (Genus)
Hexalastromma Haeckel 1887 (Genus)
Hexalastrum Haeckel 1881 (Genus)
Hexalatractus Haeckel 1887 (Genus)
Hexalodus Haecker 1908 (Genus)
Hexalonchara Haeckel 1887 (Genus)
Hexaloncharium Haeckel 1887 (Genus)
Hexalonchetta Haeckel 1887 (Genus)
Hexalonchilla Haeckel 1887 (Genus)
Hexalonchusa Haeckel 1887 (Genus)
Hexamitus Doflein 1932 (Genus)
Hexancistra Haeckel 1879 (Genus)
Hexancora Haeckel 1887 (Genus)
Hexaphormis Haeckel 1881 (Genus)
Hexapitys Haeckel 1881 (Genus)
Hexaplagia Haeckel 1881 (Genus)
Hexaplagidium Haeckel 1881 (Genus)
Hexaplecta Haeckel 1887 (Genus)
Hexaplegma Haeckel 1881 (Genus)
Hexapleuris Haeckel 1887 (Genus)
Hexapyramis Squinabol 1903 (Genus)
Hexapytis Haeckel 1887 (Genus)
Hexarhizites Haeckel 1874 (Genus)
Hexaspongonium Haeckel 1881 (Genus)
Hexaspyridium Haeckel 1887 (Genus)
Hexaspyris Haeckel 1887 (Genus)
Hexastylanthus Haeckel 1887 (Genus)
Hexastylarium Haeckel 1887 (Genus)
Hexastylettus Haeckel 1887 (Genus)
Hexastylidium Haeckel 1881 (Genus)
Hexastylissus Haeckel 1887 (Genus)
Hexastylurus Haeckel 1887 (Genus)
Hexcladus Vinassa de Regny 1898 (Genus)
Hexonasparium Haeckel 1887 (Genus)
Hexonaspidium Haeckel 1887 (Genus)
Hexoniscus Haeckel 1887 (Genus)
Heyneckia Lohmann 1913 (Genus)
Hirmidium Perty 1852 (Genus)
Hirundinella Bory de St. Vincent 1827 (Genus)
Histiastrella Haeckel 1887 (Genus)
Histiastromma Haeckel 1887 (Genus)
Histoneis Entzi 1905 (Genus)
Holococcus Ehrenberg [1858] (Genus)
Holocryptocapsa Tan (1927) (Genus)
Hologlypha Ehrenberg 1872 [sep. 1871] (Genus)
Holophryoides Gasskovsky 1919 (Genus)
Holosiphonia Haeckel 1887 (Genus)
Homoeochlamys Ehrenberg 1872 (Genus)
Hoplarium Agassiz 1846 (Genus)
Hospitellum Rhumbler 1913 (Genus)
Hyalobryonella Lemmermann 1903 (Genus)
Hyaloklossia Labb 1896 (Genus)
Hyalolampe Greeff 1869 (Genus)
Hyalolimax Brumpt & Lavier 1935 (Genus)
Hyalopus Schaudinn 1894 (Genus)
Hydromorum Ehrenberg 1848 (Genus)
Hymenactinium Haeckel 1887 (Genus)
Hymenactura Haeckel 1881 (Genus)
Hymenacturium Haeckel 1887 (Genus)
Hymenastrella Haeckel 1887 (Genus)
Hymenastromma Haeckel 1887 (Genus)
Hymeniastrum Ehrenberg (1847) (Genus)
Hymenostoma Stokes 1884 (Genus)
Hyperaminopsis de Folin ?1882 (Genus)
Hyperamminella de Folin 1881 (Genus)
Hyperomoeba Doflein 1928 (Genus)
Hypocomatophora Jarocki & Raabe 1932 (Genus)
Hypsistoma Agassiz 1846 (Genus)
Hypsistomon Bory de St. Vincent 1826 (Genus)
Hysginum Perty 1852 (Genus)
Hystozoon Podwissozky 1896 (Genus)
Hystrichasparium Haeckel 1887 (Genus)
Hystrichaspidium Haeckel 1887 (Genus)
Icosasparium Haeckel 1887 (Genus)
Icosaspidium Haeckel 1887 (Genus)
Idiastroma Lebedef 1896 (Genus)
Idiostroma Winchell 1867 (Genus)
Iduna Claparde & Lachmann 1860 [sep. 1859] (Genus)
Iliozotica de Folin ?1882 (Genus)
Ilotes Montfort 1808 (Genus)
Ilyopegma de Folin 1881 (Genus)
Ilyoperidia de Folin 1881 (Genus)
Ilyosphaera de Folin 1881 (Genus)
Ilyozotika de Folin 1881 (Genus)
Immanoplasma Neumann 1909 (Genus)
Inquilinium Rafinesque 1815 (Genus)
Iodomonas Penso 1932 (Genus)
Ixodioplasma Schmidt 1904 (teste Stiles & Hassall 1925 (Genus)
Isolepidina Douvill 1915 (Genus)
Isomita Diesing 1848 (Genus)
Isselina Cpde 1910 (Genus)
Jacutella Carus 1879 (Genus)
Jarrina Lger & Hesse 1922 (Genus)
Kalpidorhynchus Cunningham 1907 (Genus)
Kampiopsis de Folin ? 1882 (Genus)
Karyamoeba Giglio-Tos 1900 (Genus)
Karyamoebina Kofoid & Swezy 1925 (Genus)
Karyoclastis Campbell 1926 (Genus)
Karyophagus Steinhaus 1889 (Genus)
Karyospora Lger 1904 (Genus)
Katachiton de Folin ?1882 (Genus)
Katacycloclypeus Hok 1932 (Genus)
Kerobalana Bory de St. Vincent 1826 (Genus)
Kikrammina de Folin 1881 (Genus)
Kiloma Losana 1829 (Genus)
Ladopsis Cheisin 1928 (Genus)
Kleiniella Franc 1894 (Genus)
Kllikerella Labb 1899 (Genus)
Kolpoda Mueller 1773 (Genus)
Kondyliostoma Bory de St. Vincent 1826 (Genus)
Krumbachina Wiesner 1920 (Genus)
Labechea Eichwald 1859 (Genus)
Labecheia Ludwig 1866 (Genus)
Lacazopsis Douvill 1931 (Genus)
Lachmanella Cpde 1910 (Genus)
Lacrimatoria Bory de St. Vincent 1827 (Genus)
Laevepeneroplis Sulc 1935 (Genus)
Laevigella Kofoid & Swezy 1921 (Genus)
Lagenulina Terquem 1877 (Genus)
Lagunculina Rhumbler 1904 (Genus)
Laharpeia Prever 1902 (Genus)
Lamblia Blanchard 1888 (Genus)
Lamellina Bory de St. Vincent 1826 (Genus)
Lampoxanthella Haeckel 1887 (Genus)
Lampoxanthomma Haeckel 1887 (Genus)
Lampoxanthura Haeckel 1887 (Genus)
Lamprocyclia Haeckel 1887 (Genus)
Lamprocycloma Haeckel 1887 (Genus)
Lamprodisculus Haeckel 1881 (Genus)
Lamprodiscus Ehrenberg 1860 (Genus)
Lamprospyris Haeckel 1881 (Genus)
Lamprotripus Haeckel 1881 (Genus)
Lampterium Haeckel 1881 (Genus)
Lamptidium Haeckel 1887 (Genus)
Lamptonium Haeckel 1887 (Genus)
Lanarcalpis Buetschli 1889 (Genus)
Lapidium Morgan 1896 (Genus)
Larcarium Haeckel 1887 (Genus)
Larcidium Haeckel 1887 (Genus)
Larcodiscus Tedeschi 1895 (Genus)
Larcospirema Haeckel 1887 (Genus)
Larcospironium Haeckel 1887 (Genus)
Larnacantha Haeckel 1887 (Genus)
Larnacidium Haeckel 1887 (Genus)
Larnacilla Haeckel 1887 (Genus)
Larnacoma Haeckel 1887 (Genus)
Larnacospongus Haeckel 1887 (Genus)
Larnacostupa Haeckel 1887 (Genus)
Larvella Morgan 1894 (Genus)
Laverania Grassi & Feletti 1890 (Genus)
Laxophyllum Madhava Rao 1928 (Genus)
Leangium Link 1809 (Genus)
Lecaniascus Moniez 1887 (Genus)
Lecquereusia Schlumberger 1845 (Genus)
Lecythina Dangeard 1912 (Genus)
Lgeria Labb 1899 (Genus)
Lgerina Jacquement 1903 (Genus)
Leidyonella Frenzel 1891 (Genus)
Leiocraterium Rostafinski 1875 (Genus)
Leionata Wresniowski 1869 (Genus)
Lembadium Claparde & Lachmann 1858 (Genus)
Lewisonella Chalmers 1918 (Genus)
Leydenia Schaudinn 1896 (Genus)
Lenticulites Lamarck 1804 (Genus)
Lenticulum Hopkins 1878-79 (Genus)
Lentospora Plehn 1904 (Genus)
Lepidolina Lee 1934 (Genus)
Lepocincliella Lemmermann 1905 (Genus)
Leptarachnium Haeckel 1887 (Genus)
Leptoclava Budde 1927 (Genus)
Leptosphaeromma Haeckel 1887 (Genus)
Lequereusia Doflein 1928 (Genus)
Leucocytogregarina Porter 1909 (Genus)
Leucophra Mueller 1780 (Genus)
Leucophrydium Roux 1899 (Genus)
Leukocytozoon Ziemann 1898 (Genus)
Lichnocanium Vinassa de Regny 1900 (Genus)
Lichnodictyum Buetschli 1889 (Genus)
Lignidium Fries 1817 (Genus)
Limnophrya Zacharias 1892 (Genus)
Limocaecum de Folin 1881 (Genus)
Lincolaria Cristofori & Jan 1832 (Genus)
Lineadinium Kofoid & Swezy 1921 (Genus)
Lineola v. Baer 1827 (Genus)
Linthuris Montfort 1808 (Genus)
Linthurus Sherborn 1893 (Genus)
Liosiphon Ehrenberg 1853 (Genus)
Liosphaera Haeckel 1887 (Genus)
Lithacanthus Popofsky 1907 (Genus)
Lithamoeba Lankester 1879 (Genus)
Lithamphora Popofsky 1908 (Genus)
Lithapium Haeckel 1887 (Genus)
Litharachnidium Haeckel 1887 (Genus)
Litharachnoma Haeckel 1887 (Genus)
Lithatractara Haeckel 1887 (Genus)
Lithatractium Haeckel 1887 (Genus)
Lithatractona Haeckel 1887 (Genus)
Lithatractus Haeckel 1887 (Genus)
Lithatractylis Haeckel 1887 (Genus)
Litheusphaerella Deflandre 1932 (Genus)
Lithobotris Ehrenberg 1876 (Genus)
Lithocampium Haeckel 1881 (Genus)
Lithocampula Haeckel 1887 (Genus)
Lithocarpium Stoehr 1880 (Genus)
Lithochytridium Haeckel 1887 (Genus)
Lithochytris Ehrenberg (1847) (Genus)
Lithochytrodes Haeckel 1887 (Genus)
Lithocoronis Haeckel 1881 (Genus)
Lithocorythium Ehrenberg 1847 (Genus)
Lithocyclia Ehrenberg (1847) (Genus)
Lithogromia Haeckel 1879 (Genus)
Litholopharium Haeckel 1887 (Genus)
Litholophidium Haeckel 1887 (Genus)
Litholophonium Haeckel 1887 (Genus)
Lithomespilus Haeckel [1881] (Genus)
Lithomitra Haeckel 1887 (Genus)
Lithomitrella Haeckel 1887 (Genus)
Lithomitrissa Haeckel 1887 (Genus)
Lithopera Ehrenberg (1847) (Genus)
Lithophyllium Mueller 1858 (Genus)
Lithopora Tornquist 1900 (Genus)
Lithopteranna Haeckel 1887 (Genus)
Lithopterella Haeckel 1887 (Genus)
Lithopteroma Haeckel 1887 (Genus)
Lithopteromma Haeckel 1887 (Genus)
Lithornithium Ehrenberg 1847 (Genus)
Lithosphaerella Frenzel 1892 (Genus)
Lithospira Haeckel 1887 (Genus)
Lithotympanium Haeckel 1881 (Genus)
Lithozoa Folin 1885 (Genus)
Litosolenus Stokes 1893 (Genus)
Litriolites Swainson 1835 (Genus)
Lituolina Gos (Genus)
Lituolites Lamarck 1804 (Genus)
Lituonella Schlumberger 1905 (Genus)
Lobianchella Mingazzini 1891 (Genus)
Lobiancoella Labb 1899 (Genus)
Lschia Chatton & Lalung-Bonnaire 1912 (Genus)
Lohmannosphaera Schiller 1913 (Genus)
Lonchosphaera Popofsky 1908 (Genus)
Longicauda Korotneff [1880] (Genus)
Longicilium Milne 1883 (Genus)
Longitricha Gajewskaja 1933 (Genus)
Lophocapsa Haeckel [1881] (Genus)
Lophoconus Haeckel 1887 (Genus)
Lophoctenia Bourne 1900 (Genus)
Lophocyrtis Haeckel 1887 (Genus)
Lophopera Haeckel 1881 (Genus)
Lophophaenoma Haeckel 1887 (Genus)
Lophophaenula Haeckel 1887 (Genus)
Lophophaera Buetschli 1881 (Genus)
Lucetina Henry & Leblois 1925 (Genus)
Lunucammina Spandel 1898 (Genus)
Lychnasparium Haeckel 1887 (Genus)
Lychnaspidium Haeckel 1887 (Genus)
Lychnocamum Macdonald 1871 (Genus)
Lychnocanella Haeckel 1887 (Genus)
Lychnocanissa Haeckel 1887 (Genus)
Lychnocanium Ehrenberg (1847) (Genus)
Lychnocanoma Haeckel 1887 (Genus)
Lychnoconium Bronn [1854] (Genus)
Lychnodictyum Haeckel 1881 (Genus)
Lymphocystis Woodcock 1904 (Genus)
Lymphohmatocytozoon Mayer 1913 (teste Stiles & Hassall 1925 (Genus)
Lynchnaspis Popofsky 1906 (Genus)
Lyozoom Leber & Prowazek 1911 (Genus)
Lythocorythium Buetschli 1881 (Genus)
Macroceratium Kofoid 1909 (Genus)
Macrophrya Kijenskii 1925 (Genus)
Malca Gistl 1848 (Genus)
Mallopela de Folin 1881 (Genus)
Mandlius Ormancey 1852 (Genus)
Margaritina Schwager 1888 (Genus)
Marginipora Agassiz 1846 (Genus)
Marginula Link 1830 (Genus)
Mastichemonas Diesing 1848 (Genus)
Mastigophrys Frenzel 1891 (Genus)
Mastigostephanus Levander 1893 [sep. 1894] (Genus)
Mastigothrix Poche 1913 (Genus)
Matthewina Galloway 1933 (Genus)
Medusochloris Pascher 1917 (Genus)
Merrillosphaera Shaw 1922 (Genus)
Megalodictys Morgan 1894 (Genus)
Megalostomina Rzehak 1891 (Genus)
Megathyra Ehrenberg (1843) (Genus)
Megatricha Perty 1852 (Genus)
Melanoglena Eichwald 1849 (Genus)
Melitomma Haeckel 1887 (Genus)
Melittosphaera Haeckel 1881 (Genus)
Melonia Lamarck 1822 (Genus)
Meneghinia Silvestri 1889 (Genus)
Meniscostomum Kent 1881 (Genus)
Merosiphonia Haeckel 1887 (Genus)
Mesojoenia Grassi & Fo 1911 (Genus)
Mesotrocha Mueller 1846 (Genus)
Mespilina Agassiz 1843 (Genus)
Metadinium Averintzeff & Mutafova 1914 (Genus)
Metameronympha Koidzumi 1915 (Genus)
Metaradiophyra Heidenreich 1935 (Genus)
Metastephanonympha Mello & Brito 1929 (Genus)
Metchnikovella Caullery & Msnil 1897 (Genus)
Metschnikovella Caullery & Msnil 1897 (Genus)
Mezenia Stuckenberg 1895 (Genus)
Microamoeba Reich 1933 (Genus)
Microbabesia Sohns 1918 (Genus)
Microbion Barykin & Kritsch 1923 (Genus)
Microcarpon Schrader 1792 (Genus)
Micrococcidium Druener 1894 (Genus)
Micromastix Frenzel 1892 (Genus)
Micromelissa Haeckel 1881 (Genus)
Micropithus Kahl 1926 (Genus)
Microrhopalodina Grassi & Foa 1911 (Genus)
Microsol Dons 1918 (Genus)
Microspironympha Koidzumi 1921 (Genus)
Microsporidia Moniez 1887 (Genus)
Microsporidium Balbiani 1884 (Genus)
Microsporidyopsis Schereschewsky 1925 (Genus)
Microtaeniella Calkins 1915 (Genus)
Microzyma Bchamp 1867 (Genus)
Microzymas Labb 1899 (Genus)
Miescheria Blanchard 1885 (Genus)
Mikroklossia Krassilstschik 1902 (Genus)
Miliolis Oken 1817 (Genus)
Miliolithes Cuvier 1817 (Genus)
Millettella Rhumbler 1903 (Genus)
Molnaria Zalessky 1927 (Genus)
Monopodium Mereschkowsky 1880 (Genus)
Minchinia Labb 1896 (Genus)
Mitophora Perty 1852 (Genus)
Mitrarium Alexeieff 1912 (Genus)
Mitraspora Fujita 1912 (Genus)
Mitrocalpis Haeckel 1881 (Genus)
Mixosoma Thlohan 1892 (Genus)
Moellerina Ulrich 1886 (Genus)
Molybdis Pachinger 1886 (Genus)
Monadites Matthew 1890 (Genus)
Monadopsis Klein 1882 (Genus)
Monaxonium Popofsky 1912 (Genus)
Monobidia Cockerell 1909 (Genus)
Monoderma Rostafinski 1875 (Genus)
Monogonium Carus 1887 (Genus)
Monohyla Schweigger 1820 (Genus)
Monokeramonas Schiller 1925 (Genus)
Monolepidorbis Astre 1929 (Genus)
Monomita Grassi 1881 (Genus)
Monomorphus Grassi 1879 (Genus)
Monostephus Haeckel 1881 (Genus)
Monostylus Cayeux 1897 (Genus)
Monotubus Popofsky 1913 (Genus)
Monozonaris Haeckel 1887 (Genus)
Monozonitis Haeckel 1887 (Genus)
Mrzekiella Kijenskii 1926 (Genus)
Mullerius Ormancey 1852 (Genus)
Mulsantius Ormancey 1852 (Genus)
Multicyclina Cushman 1918 (Genus)
Multilepidina Hanzawa 1932 (Genus)
Murracystis Haeckel 1890 (Genus)
Mycetomyxa Zacharias 1893 (Genus)
Mycodinium Averinzev 1916 (Genus)
Myelastrella Haeckel 1887 (Genus)
Myelastromma Haeckel 1887 (Genus)
Myiobium Swellengrebel 1919 (Genus)
Myriophrys Penard 1897 (Genus)
Myrtilina Bory de St. Vincent 1827 (Genus)
Mystacodella Bory de St. Vincent 1827 (Genus)
Myxastrum Haeckel 1868 (Genus)
Myxobrachia Haeckel [1869] (Genus)
Myxodyctium Buetschli 1880 (Genus)
Myxomonas Brzezinski 1906 (Genus)
Myxoplasma Kirk 1907 (Genus)
Myxosphaera Brandt 1885 (Genus)
Myxosporidium Perugia 1891 (Genus)
Najadea Schiller 1913 (Genus)
Nannochrysis Pascher 1911 (Genus)
Nautilita Soldani 1789 (Genus)
Nematodozoon Gistl [1847] (Genus)
Neoactinomyxum Granata 1922 (Genus)
Neoalveolina Silvestri 1928 (Genus)
Neomonas Penso 1932 (Genus)
Neostroma Toernquist 1901 (Genus)
Nephrocystidium Weissenberg 1922 (Genus)
Nephrodictyum Haeckel 1881 (Genus)
Neuroryctes Williams 1906 (Genus)
Neusina Gos 1892 (Genus)
Nicollia Nuttall 1908 (Genus)
Noctuluca Blainville 1830 (Genus)
Nodeola Rafinesque 1815 (Genus)
Nodocyclina Heim 1908 (Genus)
Nodosarina Parker & Jones 1859 (Genus)
Nodotes Spratt 1854 (Genus)
Nothopleurotricha Diesing 1866 (Genus)
Nubeculospira Simonelli 1879 (Genus)
Nuclearella Frenzel 1892 (Genus)
Nuclearina Frenzel 1892 (Genus)
Nummularius Gesner 1758 (Genus)
Nummulita Fleming 1828 (Genus)
Numulia Agassiz 1845 (Genus)
Numulites Montfort 1808 (Genus)
Octalacorys Haeckel 1887 (Genus)
Octocirrus Madhava Rao 1928 (Genus)
Octodendridium Haeckel 1887 (Genus)
Octodendronium Haeckel 1887 (Genus)
Octomastix Alexeieff 1917 (Genus)
Octomitus Prowazek 1904 (Genus)
Octophormis Haeckel 1887 (Genus)
Octopylissa Haeckel 1887 (Genus)
Octopylura Haeckel 1887 (Genus)
Octotympanum Haeckel 1887 (Genus)
Ocyglossa Giard 1904 (Genus)
Odontodictya Ehrenberg 1872 (Genus)
Oicomonas Doflein 1928 (Genus)
Oligostegina Kaufmann 1865 (Genus)
Oltmannsia Schiller 1925 (Genus)
Ommatacantha Haeckel 1887 (Genus)
Ommatartus Haeckel 1881 (Genus)
Ommathymenium Haeckel 1887 (Genus)
Ommatocampe Ehrenberg 1860 (Genus)
Ommatocampium Haeckel 1887 (Genus)
Ommatocampula Haeckel 1887 (Genus)
Ommatocorona Haeckel 1887 (Genus)
Ommatocyrtis Haeckel 1887 (Genus)
Ommatodiscinus Haeckel 1887 (Genus)
Ommatodisculus Haeckel 1887 (Genus)
Ommatogramma Ehrenberg 1860 (Genus)
Ommatospirys Zittel 1876 (Genus)
Ommatospyris Ehrenberg 1861 (Genus)
Omphalocyclus Bronn [1855] (Genus)
Omphalophacus Ehrenberg [1839] (Genus)
Orcitolites Guembel 1868 (Genus)
Orodictyum Haeckel 1887 (Genus)
Orona Haeckel 1887 (Genus)
Oronium Haeckel 1887 (Genus)
Oouramoeba Buetschli 1880 (Genus)
Operculinella Yabe 1918 (Genus)
Ophidiomonas Agassiz 1846 (Genus)
Ophidionella de Folin 1881 (Genus)
Ophisthodon Stein 1859 (Genus)
Ophiurespira Chatton & Lwoff 1930 (Genus)
Ophrydia Bory de St. Vincent 1827 (Genus)
Ophrydiopsis Penard 1922 (Genus)
Ophthalmoplanis Bory de St. Vincent 1827 (Genus)
Opisthiotricha Perty 1852 (Genus)
Opisthomitus Duboscq & Grass 1934 (Genus)
Oplarium Losana 1829 (Genus)
Orbignina Freyer 1849 (Genus)
Orbignyina Bronn 1852 (Genus)
Orbitella Douvill 1915 (Genus)
Orbitolithes Oken 1815 (Genus)
Orbitulina Bronn 1855 (Genus)
Orcheocystis Trinci 1916 (Genus)
Orizaria Agassiz 1844 (Genus)
Ornithocerus Fricke 1902 (Genus)
Orodendrum Haeckel 1887 (Genus)
Orophasparium Haeckel 1887 (Genus)
Orophaspidium Haeckel 1887 (Genus)
Oroplegma Haeckel 1887 (Genus)
Oroplegmium Haeckel 1887 (Genus)
Oroscena Haeckel 1887 (Genus)
Oroscenium Haeckel 1887 (Genus)
Orthocera Modeer 1796 (Genus)
Orthochona Andr 1910 (Genus)
Orthocyclina Vlerk 1924 (Genus)
Orthophragmina Munier-Chalmas 1891 (Genus)
Orthospora Schneider 1881 (Genus)
Oryzaria Agassiz 1846 (Genus)
Othocerina Tate & Blake 1876 (Genus)
Otomonas Lger 1902 (Genus)
Ovoplasma Marzinkowsky & Bogrow 1904 (Genus)
Ovulida Folin 1887 (Genus)
Oxitricha Bory 1826 (Genus)
Oxymonas Janicki 1915 (Genus)
Oxytoxon Stuewe 1909 (Genus)
Palaeonummulites Schubert 1908 (Genus)
Pachymyxa Gruber 1883 (Genus)
Palachroma Delage & Hrouard 1896 (Genus)
Palaeovalvuloria Schubert 1920 (Genus)
Palingenestes Gistl [1847] (Genus)
Palmula Lea 1833 (Genus)
Palmularia Defrance 1825 (Genus)
Panarelium Haeckel 1887 (Genus)
Panarium Haeckel 1881 (Genus)
Panaromium Haeckel 1887 (Genus)
Panartella Haeckel 1887 (Genus)
Panartidium Haeckel 1887 (Genus)
Panartissa Haeckel 1887 (Genus)
Panartoma Haeckel 1887 (Genus)
Panartura Haeckel 1887 (Genus)
Panartus Haeckel 1887 (Genus)
Panhistophyton Lebert 1858 (Genus)
Panicidium Haeckel 1887 (Genus)
Panophrys Dujardin 1840 (Genus)
Pantotrichum Ehrenberg [1830] (Genus)
Parabursaria Ghosh 1921 (Genus)
Paracoccidium Laveran & Mesnil 1902 (Genus)
Paradevescovina Kirby 1926 (Genus)
Paradictyum Haeckel 1881 (Genus)
Paradinium Chatton 1910 (Genus)
Paraisotrichopsis Gasskovsky 1919 (Genus)
Paralieberkhnia Saedeleer 1934 (Genus)
Parallelopora Bargatzky 1881 (Genus)
Parallepora Tornquist 1900 (Genus)
Paralogopsis Handlirsch 1911 (Genus)
Paramaecidium Savi 1915 (Genus)
Paramaecioides Buetschli 1889 (Genus)
Paramaecium Mueller 1773 (Genus)
Paramecioides Grassi 1881 (Genus)
Paramoecium Hermann 1783 (Genus)
Paramyxa Chatton 1911 (Genus)
Parapodinium Chatton 1920 (Genus)
Pararhizomastix Yakimoff & Kolpakoff 1921 (Genus)
Paraschuettia Murray & Whitting 1899 (Genus)
Parastephanus Haeckel 1881 (Genus)
Parastephus Haeckel 1881 (Genus)
Paratympanium Haeckel 1881 (Genus)
Paratympanum Haeckel 1887 (Genus)
Pelekydion Eberhard 1862 (Genus)
Parenglypha Penard 1902 (Genus)
Paronaea Prever 1903 (Genus)
Parrocelia Gourret 1883 (Genus)
Pascheriella Korshikov 1928 (Genus)
Patagospyris Haeckel 1881 (Genus)
Patevia Valkanov 1931 (Genus)
Patrocla Bronn 1848 (Genus)
Patrocles Montfort 1808 (Genus)
Pecilia Lepeletier 1822 (Genus)
Pectoralina Bory de St. Vincent 1827 (Genus)
Peitiada Frenzel 1891 (Genus)
Pelamphora Lauterborn 1901 (Genus)
Pelecida Dujardin 1841 (Genus)
Perichaenella Raunkiaer 1888 (Genus)
Perichlamidium Bailey 1856 (Genus)
Pericometes Schneider 1886 (Genus)
Pelosphaera Heron-Allen & Earland 1932 (Genus)
Peltierus Ormancey 1852 (Genus)
Pentactura Haeckel 1881 (Genus)
Pentalacorys Haeckel 1881 (Genus)
Pentalastrella Haeckel 1887 (Genus)
Pentalastromma Haeckel 1887 (Genus)
Pentalastrum Haeckel 1881 (Genus)
Pentaphormis Haeckel 1881 (Genus)
Pentaplegma Haeckel 1881 (Genus)
Pentasolenia Ehrenberg 1860 (Genus)
Pentasphaera Squinabol 1904 (Genus)
Pentaspyris Haeckel 1881 (Genus)
Pentasyderina Nicolucci 1843 (Genus)
Pentatrichomastix Weinrich 1924 (Genus)
Pentellina Munier-Chalmas 1882 (Genus)
Pentophiastromma Haeckel 1887 (Genus)
Pentophiastrum Haeckel 1887 (Genus)
Periarachnium Haeckel 1881 (Genus)
Peridarium Haeckel 1887 (Genus)
Peridasys Rafinesque 1815 (Genus)
Peridinites Lefvre 1933 (Genus)
Perikaryon Chatton 1911 (Genus)
Peripanarium Haeckel 1887 (Genus)
Peripanartium Haeckel 1887 (Genus)
Peripanartula Haeckel 1887 (Genus)
Peripanicea Haeckel 1887 (Genus)
Peripanicula Haeckel 1887 (Genus)
Periphaena Ehrenberg [1873] (Genus)
Peripheres Carus 1832 (Genus)
Periplecta Haeckel 1881 (Genus)
Perispongidium Haeckel 1881 (Genus)
Perispyris Haeckel 1881 (Genus)
Peritricha Bory de St. Vincent 1827 (Genus)
Perizona Haeckel 1881 (Genus)
Petalosphaera Lohmann 1913 (Genus)
Petalospiris Bury [1862] (Genus)
Petalospyrantha Haeckel 1887 (Genus)
Petalospyrella Haeckel 1887 (Genus)
Petalospyrissa Haeckel 1887 (Genus)
Petalospyromma Haeckel 1887 (Genus)
Peterocanium Carter 1893 (Genus)
Peterocodon Carter 1893 (Genus)
Petromonas Chodat 1926 (Genus)
Phacelomonas Ehrenberg [1836] (Genus)
Phacites Gesner 1758 (Genus)
Phacodiscinus Haeckel 1887 (Genus)
Phacodisculus Haeckel 1887 (Genus)
Phacoplax Pascher 1911 (Genus)
Phacopyle Dreyer 1888 (Genus)
Phacostaurium Haeckel 1887 (Genus)
Phacostaurus Haeckel 1881 (Genus)
Phacostylium Haeckel 1887 (Genus)
Phacostylus Haeckel 1881 (Genus)
Phacothamnion Lagerheim 1884 (Genus)
Phacotriactis Sutton 1896 (Genus)
Phaenocalpis Haeckel 1887 (Genus)
Phaenocystes Gurley [1895] (Genus)
Phaenoscenium Haeckel 1887 (Genus)
Phaeocolla Haeckel 1879 (Genus)
Phaeodella Haeckel 1884 (Genus)
Phalachroma Delage & Hrouard 1896 (Genus)
Phalarocoma Daday 1888 (Genus)
Phalocroma Cleve 1901 (Genus)
Phanerostomum Ehrenberg (1843) (Genus)
Phykopsis de Folin ?1882 (Genus)
Pharamum Montfort 1808 (Genus)
Phatnacantha Haeckel [1881] (Genus)
Phatnasparium Haeckel 1887 (Genus)
Phatnaspidium Haeckel 1887 (Genus)
Phatnaspis Haeckel [1881] (Genus)
Phatnasplenium Haeckel 1887 (Genus)
Phialodes Labb 1899 (Genus)
Phlebarachnium Haeckel 1881 (Genus)
Phoebea Modeer 1792 (Genus)
Phoenicosphaera Haeckel 1887 (Genus)
Phonemus Montfort 1808 (Genus)
Phormobotrys Haeckel 1881 (Genus)
Phormocampe Haeckel 1887 (Genus)
Phormocyrtis Haeckel 1887 (Genus)
Phormosphaera Haeckel 1881 (Genus)
Phorticium Haeckel 1881 (Genus)
Phortolarcus Haeckel 1887 (Genus)
Phortopyle Haeckel 1887 (Genus)
Phractasparium Haeckel 1887 (Genus)
Phractaspidium Haeckel 1887 (Genus)
Phractasplenium Haeckel 1887 (Genus)
Phractopelma Haeckel 1881 (Genus)
Phractopeltaris Haeckel 1887 (Genus)
Phractopeltidium Haeckel 1887 (Genus)
Phragelliorhynchus Herrick 1884 (Genus)
Phryanella Pnard 1902 (Genus)
Phyllolonche Popofsky 1904 (Genus)
Phyrophacus Cleve 1899 (Genus)
Physaliella Pnard 1920-21 (Genus)
Phytelios Poche 1913 (Genus)
Phythelios Frenzel 1891 (Genus)
Phythelius Schaudinn 1896 (Genus)
Pigostyla Tagliani 1922 (Genus)
Pileonella Morren 1829 (Genus)
Pinaciocystis Roskin 1929 (Genus)
Pinacocoleps Diesing 1866 (Genus)
Pinacocystis Hertwig & Lesser 1874 (Genus)
Pineina Schafhaeutl 1850 (Genus)
Pipetta Haeckel 1887 (Genus)
Pipettaria Haeckel 1887 (Genus)
Pipettella Haeckel 1887 (Genus)
Pirgo Defrance 1826 (Genus)
Pirhemocyton Chatton & Blane 1914 (Genus)
Pirobodo Sangiorgi 1922 (Genus)
Pirophacus Minkewicz 1899 (Genus)
Piroplasma Patton 1895 (Genus)
Pirulina Bronn [1852] (Genus)
Pissida Adanson 1763 (Genus)
Pityomma Haeckel [1881] (Genus)
Planiplotes Andrusova 1886 (Genus)
Plectocoronis Haeckel 1881 (Genus)
Pleurocorys Haeckel 1881 (Genus)
Placentia Morgan 1894 (Genus)
Placentula Soldani 1795 (Genus)
Placolithes Broili 1910 (Genus)
Placolithis Ehrenberg 1847 (Genus)
Placopsum Rhumbler 1913 (Genus)
Plagiacantha Mueller 1856 (Genus)
Plagiocantha Wallich 1862 (Genus)
Plagiomastix Diesing 1848 (Genus)
Plagiomonas Grassi 1881 (Genus)
Plagiopyxis Pnard 1910 (Genus)
Plagiotricha Bory de St. Vincent 1827 (Genus)
Plagonidium Haeckel 1881 (Genus)
Plagoniscus Haeckel 1887 (Genus)
Plagonium Haeckel 1881 (Genus)
Plakopus Schulze 1875 (Genus)
Plakousa de Folin ?1882 (Genus)
Planariola Dujardin 1841 (Genus)
Planctonetta Immermann 1906 (Genus)
Planorbites Lamarck 1799 (Genus)
Plasmoeba Eberle 1904 (Genus)
Plasmosoma Huntemueller 1914 (Genus)
Plateja Modeer 1792 (Genus)
Platnaspis Gamble 1909 (Genus)
Platoum Schulze 1875 (Genus)
Platulina Gurin-Mnville 1829-43 (Genus)
Platybursa Haeckel 1881 (Genus)
Platycryphalus Haeckel 1881 (Genus)
Platydinium Kofoid 1906 (Genus)
Platysestrum Haeckel 1881 (Genus)
Platytrichotus Stokes 1886 (Genus)
Plectacantha Joergensen 1905 (Genus)
Plectanella Morgan 1893 (Genus)
Plectaniscus Haeckel 1887 (Genus)
Plectophrys Entz 1877 (Genus)
Plectopyramis Haeckel 1881 (Genus)
Plectotripus Haeckel 1881 (Genus)
Plegmatium Haeckel 1881 (Genus)
Plegmodiscus Haeckel 1887 (Genus)
Plegmosphaerantha Haeckel 1887 (Genus)
Plegmosphaerella Haeckel 1887 (Genus)
Plegmosphaeromma Haeckel 1887 (Genus)
Plegmosphaerusa Haeckel 1887 (Genus)
Pleurasparium Haeckel 1887 (Genus)
Pleuraspidium Haeckel 1887 (Genus)
Pleurophrys Claparde & Lachmann 1860 [sep. 1859] (Genus)
Pleuropodium Haeckel 1881 (Genus)
Pleurospyris Ehrenberg 1847 (Genus)
Pleurostomellina Schubert 1911 (Genus)
Pleurostrema Ehrenberg [1839] (Genus)
Pleurozyga Mingazzini 1891 (Genus)
Pliolepidina Douvill 1915 (Genus)
Ploesconia Bory de St. Vincent 1827 (Genus)
Polycarpum Stempell 1901 (Genus)
Polycaryum Stempell 1902 (Genus)
Porcupinia Haeckel 1879 (Genus)
Pnylomorphina Bronn 1848 (Genus)
Podarcella Giard 1887 (Genus)
Podaxon Fries 1829 (Genus)
Podobursa Wisniowski 1888 (Genus)
Podocampe Haeckel 1881 (Genus)
Podocoronis Haeckel 1881 (Genus)
Podocyrtarium Haeckel 1887 (Genus)
Podocyrtecium Haeckel 1887 (Genus)
Podocyrtidium Haeckel 1887 (Genus)
Podocyrtis Ehrenberg (1847) (Genus)
Podocyrtonium Haeckel 1887 (Genus)
Podostoma Claparde & Lachmann 1860 [sep. 1859] (Genus)
Polimitus Danilesky 1886 (Genus)
Pollontes Montfort 1808 (Genus)
Polyalacorys Haeckel 1887 (Genus)
Polychysmium Lveill 1846 (Genus)
Polycriccos Lohmann 1908 (Genus)
Polycricos Kraefft 1909 (Genus)
Polymitus Danilewsky 1891 (Genus)
Polymorphinoides Cushman & Hanzawa 1935 (Genus)
Polyopsidella Kofoid & Swezy 1921 (Genus)
Polypetta Haeckel 1887 (Genus)
Polyplagia Haeckel 1887 (Genus)
Polyplecta Haeckel 1887 (Genus)
Polypleuris Haeckel 1887 (Genus)
Polyrabdina Mingazzini 1891 (Genus)
Polyselmis Dujardin 1841 (Genus)
Polysphaerina Sherborn 1896 (Genus)
Polyspira Minkiewicz 1912 (Genus)
Polyspyris Haeckel 1881 (Genus)
Polystichia Pantanelli 1880 (Genus)
Polystomatium Ehrenberg 1839 (Genus)
Polythei Leigh-Sharpe 1924 (Genus)
Polytricha Bory de St. Vincent 1831 (Genus)
Pomatograptus Haeckel 1889 (Genus)
Pomphalyxophrys Murray 1905 (Genus)
Pomphyloxophrys Schmidt 1913 (Genus)
Poneramoeba Luehe 1909 (Genus)
Pontifex Schaeffer 1926 (Genus)
Poroamphora Popofsky 1908 (Genus)
Porocapsa Haeckel 1887 (Genus)
Poroceratium Vanhoeffen 1896 (Genus)
Poropila Schiller 1926 (Genus)
Porostephanus Haeckel 1879 (Genus)
Porpites Guettard 1770 (Genus)
Posterocornia Kofoid 1906 (Genus)
Pouchetiella Kofoid & Swezy 1921 (Genus)
Praesorites Douvill 1902 (Genus)
Premnammina Folin 1881 (Genus)
Prismatidium Haeckel 1881 (Genus)
Prismatium Haeckel 1862 (Genus)
Prismozoon Burchardt 1900 (Genus)
Pristiacantha Buetschli 1889 (Genus)
Prosopsenus Andr 1916 (Genus)
Pristodiscus Haeckel 1887 (Genus)
Proaulax Diesing 1866 (Genus)
Problematina Bornemann 1874 (Genus)
Proboscella Kent 1881 (Genus)
Proboscidium Meunier 1910 (Genus)
Proctamoeba Alexeieff 1912 (Genus)
Procyttarium Haeckel 1879 (Genus)
Prolophomonas Cleveland (Genus)
Prophysema Haeckel 1889 (Genus)
Prorocentron Delage & Hrouard 1896 (Genus)
Prorodonopsis Gasskovsky 1919 (Genus)
Proroporus Ehrenberg 1844 (Genus)
Prorospira Agassiz [1845] (Genus)
Prorotrichia Rostafinski 1876 (Genus)
Protoanoplophrya Miyashita 1930 (Genus)
Protobalantidium Abe 1929 (Genus)
Protobathybius Bessels 1873 (Genus)
Protobatrachus Gistl [1847] (Genus)
Protalector Gistl [1847] (Genus)
Protalina Pourtals (1850) (Genus)
Protamoeba Haeckel 1866 (Genus)
Protarachne Gistl [1847] (Genus)
Protastrum Grimm 1876 (Genus)
Proteonina Williamson 1858 (Genus)
Proteosoma Labb 1894 (Genus)
Proteromonas Kuenstler 1883 (Genus)
Protocantharus Gistl [1847] (Genus)
Protoentospora Sun 1910 (Genus)
Protokyon Gistl [1847] (Genus)
Protomys Gistl [1847] (Genus)
Protomyxomyces Cunningham 1881 (Genus)
Protopalina Doflein 1929 (Genus)
Protoperidium Pouchet 1882 (Genus)
Protoradiophrya Rossolimo & Perzowa 1929 (Genus)
Protosepiola Gistl [1847] (Genus)
Protosphaera Cayeux 1897 (Genus)
Protozoon Gistl [1847] (Genus)
Protympanium Haeckel 1881 (Genus)
Prowazekella Alexeieff 1912 (Genus)
Prunocarpetta Haeckel 1887 (Genus)
Prunocarpilla Haeckel 1887 (Genus)
Prunocarpus Haeckel 1887 (Genus)
Prunopyle Dreyer 1888 (Genus)
Prunosphaera Haeckel 1881 (Genus)
Prunuletta Haeckel 1887 (Genus)
Prunulissa Haeckel 1887 (Genus)
Prunulum Haeckel 1887 (Genus)
Psamella Rhumbler 1935 (Genus)
Psammocene Wiesner 1932 (Genus)
Psammolychna de Folin 1881 (Genus)
Psammoperidia de Folin 1881 (Genus)
Psammophyllum Haeckel 1889 (Genus)
Psammozootica Folin ?1882 (Genus)
Psammozotika Folin 1881 (Genus)
Psecadium Neugeboren 1856 (Genus)
Pseudammochidium Hovasse 1932 (Genus)
Pseudamphinomas Bruyne 1889 (Genus)
Pseudarkys de Folin ?1882 (Genus)
Pseudastraea Reuss 1863 (Genus)
Pseudoamoeba Maddox 1873 (Genus)
Pseudoastrorhiza Eisenack 1934 (Genus)
Pseudomesocena Hovasse 1932 (Genus)
Psilomelissa Haeckel 1881 (Genus)
Pseudochromulina Doflein 1921 (Genus)
Pseudocolpoda Ilowaisky 1921 (Genus)
Pseudocormos Endlicher 1836 (Genus)
Pseudocyclammina Yabe & Hanzawa 1926 (Genus)
Pseudodiderma Rostafinski 1875 (Genus)
Pseudoglandulina Cushman 1929 (Genus)
Pseudogypsina Trauth 1917 (Genus)
Pseudolimax Kuenen & Swellengrebel 1917 (Genus)
Pseudoplacopsilina Eimer & Fickert 1899 (Genus)
Pseudopolypus Agassiz 1843 (Genus)
Pseudosporidium Zopf 1884 (Genus)
Pseudostylis Endlicher 1836 (Genus)
Pseudotruncatulina Andreae 1884 (Genus)
Pupella Bory de St Vincent 1827 (Genus)
Pteractis Ehrenberg 1872 (Genus)
Pterocanarium Haeckel 1887 (Genus)
Pterocanidium Haeckel 1887 (Genus)
Pterocodon Ehrenberg 1847 (Genus)
Pterocorythium Haeckel 1881 (Genus)
Pteroperidium Haeckel 1881 (Genus)
Pterosyringium Haeckel 1887 (Genus)
Ptychocyclis Doflein 1927 (Genus)
Ptygostomum Ehrenberg (1843) (Genus)
Ptyka Folin 1881 (Genus)
Ptyxidium Perty 1852 (Genus)
Pulsatella Geddes 1881 (Genus)
Pulvinulina Carpenter 1862 (Genus)
Pulvinulinella Eimer & Fickert 1899 (Genus)
Pulvinulus Lamarck 1816 (Genus)
Pycnobryon Fromentel 1874 (Genus)
Pygolimax Tyzzer 1920 (Genus)
Pylobotrys Haeckel 1881 (Genus)
Pylocapsa Haeckel 1881 (Genus)
Pylodexia Ehrenberg 1858 (Genus)
Pylonissa Haeckel 1887 (Genus)
Pylonura Haeckel 1887 (Genus)
Pylosphaera Ehrenberg 1858 (Genus)
Pylospira Haeckel 1887 (Genus)
Pylospirema Haeckel 1887 (Genus)
Pylospironium Haeckel 1887 (Genus)
Pyramidomonas Stein 1878 (Genus)
Microhydrella Frenzel 1891 (Genus)
Microklossia Krassilstschik 1905 (Genus)
Microlecitos Issel 1891 (Genus)
Raphanella Bory de St. Vincent 1827 (Genus)
Raphidiaphrys Greeff 1869 (Genus)
Raphidocystis Pnard 1904 (Genus)
Raphidodrymus Haeckel 1887 (Genus)
Raphidomonas Stein 1878 (Genus)
Raphidospora Lger 1900 (Genus)
Pyrophagus Lemmermann 1899 (Genus)
Pyroplasma Wilson & Chowning 1904 (Genus)
Pyrsonympha Leidy 1877 (Genus)
Pyrulinella Cushman & Ozawa 1928 (Genus)
Pyxidicula Ehrenberg 1837 [sep. 1836] (Genus)
Pyxinioides Trgouboff 1912 (Genus)
Microglena Ehrenberg (1832) (Genus)
Quadriloncharium Haeckel 1887 (Genus)
Quadrilonchidium Haeckel 1887 (Genus)
Quadrimetron Popofsky 1904 (Genus)
Quadrulina Cushman & Ozawa 1930 (Genus)
Racemulina tallon 1863 (Genus)
Radiolarites Matthew 1890 (Genus)
Radiozoum Mingazzini 1904 (Genus)
Ramiciformia Kofoid 1906 (Genus)
Rangelia Carini & Maciel 1915 (Genus)
Reckertia Conrad 1920 (Genus)
Rectogumbelina Cushman 1932 (Genus)
Renoidea Brown 1827 (Genus)
Renulinites Parkinson 1811 (Genus)
Renulites Lamarck 1805 (Genus)
Reophagus Agassiz 1844 (Genus)
Reptomonas Kent 1880 (Genus)
Retorta Walker & Boys [1784] (Genus)
Rexiella Morgan 1896 (Genus)
Rhabdaminella Folin ? 1882 (Genus)
Rhabdamminopsis Folin 1883 (Genus)
Rhopalocyrtis Buetschli 1881 (Genus)
Rhopalodictya Haeckel 1887 (Genus)
Rhopalodictyum Ehrenberg 1860 (Genus)
Rhabdogonium Reuss 1860 (Genus)
Rhabdolithes Voeltzkow 1902 (Genus)
Rhabdolithis Ehrenberg 1847 (Genus)
Rhabdotricha Greeff 1888 (Genus)
Rhaphidocapsa Haeckel 1887 (Genus)
Rhaphidoceras Haeckel 1887 (Genus)
Rhaphidonactis Haeckel 1887 (Genus)
Rhaphidonura Haeckel 1887 (Genus)
Rhaphidoscene Jennings 1896 (Genus)
Rhaphidosphaera Haeckel 1881 (Genus)
Rhaphimonas Kent 1880 (Genus)
Rhaphiodendron Moebius 1876 (Genus)
Rheophagus Agassiz 1846 (Genus)
Rheophax Oken 1815 (Genus)
Rhinocurus Montfort 1808 (Genus)
Rhipidionina Stache 1912 (Genus)
Rhipidocyclina Guembel 1868 (Genus)
Rhizinia Hammerschmidt 1838 (Genus)
Rhizomastix Alexeieff 1911 (Genus)
Rhizopela de Folin 1881 (Genus)
Rhizoplegmarium Haeckel 1887 (Genus)
Rhizoplegmidium Haeckel 1887 (Genus)
Rhizospongus Mast 1910 (Genus)
Rhodoessa Perty 1852 (Genus)
Rhodosphaerella Haeckel 1887 (Genus)
Rhodosphaeromma Haeckel 1887 (Genus)
Rhodospyris Haeckel 1881 (Genus)
Rhopalastrella Haeckel 1887 (Genus)
Rhopalastromma Haeckel 1887 (Genus)
Rhopalastrum Ehrenberg (1847) (Genus)
Rhopalatractus Haeckel 1881 (Genus)
Rhopalocanium Ehrenberg (1847) (Genus)
Rhopalocephalus Korotneff 1893 (Genus)
Rhumbleria Buerger 1917 (Genus)
Rhynchospira Ehrenberg 1845 (Genus)
Robulus Montfort 1808 (Genus)
Ropalozotika Folin 1881 (Genus)
Rosario Frenzel 1893 (Genus)
Rosenella Nicholson 1886 (Genus)
Rossenella Pocta 1894 (Genus)
Rostrolina Schlicht 1870 (Genus)
Rotalina Blainville 1828 (Genus)
Rotia Grimm 1876 (Genus)
Rotulina Pourtals (1850) (Genus)
Rotundinium Kofoid & Swezy 1921 (Genus)
Ruditaxis Schubert 1920 (Genus)
Rugipes Schaeffer 1926 (Genus)
Schizogenes Moniez 1886 (Genus)
Saccinobaculus Cleveland Hall, Sanders & Collier 1934 (Genus)
Saenolophus Leuckart 1863 (Genus)
Sagena Haeckel 1884 (Genus)
Sagmarium Haeckel 1887 (Genus)
Sagmidium Haeckel 1887 (Genus)
Sagoplegma Haeckel 1887 (Genus)
Sagosphaera Haeckel 1887 (Genus)
Sagosphaerella Haeckel 1887 (Genus)
Sagosphaeroma Haeckel 1887 (Genus)
Sagraina Bronn 1852 (Genus)
Salamandraches Gistl [1847] (Genus)
Salpingocapsa Ruest 1885 (Genus)
Salpistes Wright 1859 (Genus)
Saltonella Frenzel 1891 (Genus)
Saonea Rafinesque 1815 (Genus)
Sarcosporidium Gross 1909 (Genus)
Sarella Frenzel 1891 (Genus)
Saturnalina Haeckel 1887 (Genus)
Saturnalium Haeckel 1881 (Genus)
Saturninus Haeckel 1887 (Genus)
Saturnulus Haeckel 1881 (Genus)
Saxella Morgan 1896 (Genus)
Saxicolina Deshayes 1830 (Genus)
Schedoacercomonas Grassi 1879 (Genus)
Schellwienia Staff & Wedekind 1910 (Genus)
Scheviakovella Caullery & Mesnil 1905 (Genus)
Schizamoeba Davis 1927 (Genus)
Schizobodo Chatton 1917 (Genus)
Schizopus Claparde & Lachmann 1858 (Genus)
Schizotrypanum Chagas 1909 (Genus)
Schlutzia Grimm 1876 (Genus)
Schultzellina Cpde 1910 (Genus)
Sciadiocapsa Squinabol 1904 (Genus)
Sciadostoma Kahl 1926 (Genus)
Selenostomum Ehrenberg 1858 (Genus)
Sideriporus Bronn 1848 (Genus)
Seguenza Silvestri 1889 (Genus)
Selenichum Labb 1899 (Genus)
Selenoides Owen 1852 (Genus)
Semantidium Haeckel 1887 (Genus)
Semantiscus Haeckel 1887 (Genus)
Semantrum Haeckel 1887 (Genus)
Semifolliculina Dons 1914 (Genus)
Semseya Franzenau 1894 (Genus)
Septammina Meunier [1888] (Genus)
Serosporidium Wasielewski 1896 (Genus)
Serpulella Eimer & Fickert 1899 (Genus)
Sestropodium Haeckel 1881 (Genus)
Sestropyramis Haeckel 1887 (Genus)
Sestrornithium Haeckel 1881 (Genus)
Sethamphora Haeckel 1887 (Genus)
Sethocapsa Haeckel 1881 (Genus)
Sethocephalus Haeckel 1887 (Genus)
Sethochytris Haeckel 1881 (Genus)
Sethocorys Haekel 1881 (Genus)
Sethocyrtis Haeckel 1887 (Genus)
Sethodiscinus Haeckel 1887 (Genus)
Sethodisculus Haeckel 1887 (Genus)
Sethodiscus Haeckel 1881 (Genus)
Sethomelissa Haeckel 1881 (Genus)
Sethopera Haeckel 1881 (Genus)
Sethoperidium Haeckel 1881 (Genus)
Sethophaena Haeckel 1887 (Genus)
Sethophatna Haeckel 1881 (Genus)
Sethopilium Haeckel 1881 (Genus)
Sethopyramis Haeckel 1881 (Genus)
Sethornithium Haeckel 1887 (Genus)
Sethosphaera Haeckel 1881 (Genus)
Sethostaurium Haeckel 1887 (Genus)
Sethostaurus Haeckel 1881 (Genus)
Sethostylium Haeckel 1887 (Genus)
Sethostylus Haeckel 1881 (Genus)
Setigerella Ehrenberg 1872 (Genus)
Sexloculina Czjzek 1848 (Genus)
Siagonophorus Stein 1862 (Genus)
Siagontherium Perty 1852 (Genus)
Siderolithes Montfort 1808 (Genus)
Siderolithus Bronn 1837 (Genus)
Sideroporus Bronn 1825 (Genus)
Sieboldiellina Collin 1911 (Genus)
Sigmoidina Cushman & Ozawa 1929 (Genus)
Sigmomorpha Cushman & Ozawa 1928 (Genus)
Siphocampium Haeckel 1881 (Genus)
Siphocampula Haeckel 1887 (Genus)
Skadovskiella Korschikov 1927 (Genus)
Solenophrya Claparde & Lachmann 1860 [sep. 1859] (Genus)
Solenopoda Zarnik 1907 (Genus)
Solenosphactra Haeckel 1887 (Genus)
Solenosphenia Haeckel 1887 (Genus)
Solenosphyra Haeckel 1887 (Genus)
Soreuma Haeckel 1881 (Genus)
Soreumidium Haeckel 1881 (Genus)
Soreumium Haeckel 1887 (Genus)
Sorolarcidium Haeckel 1887 (Genus)
Sorolarcium Haeckel 1887 (Genus)
Sorolarcus Haeckel 1887 (Genus)
Spandelina Cushman & Waters 1928 (Genus)
Sparotricha Entz 1878 (Genus)
Spastostyla Entz 1884 (Genus)
Spathidia Dujardin 1840 (Genus)
Spathidiella Kahl 1930 (Genus)
Spermatias Gistl [1847] (Genus)
Spermatogonius Gistl [1847] (Genus)
Spermatophagus Labb 1899 (Genus)
Spermatothalus Leuckart 1827 (Genus)
Spermokrates Gistl [1847] (Genus)
Sphaeractinomyxon Caullery & Mesnil 1904 (Genus)
Sphaeractis Brandt 1935 (Genus)
Sphaerocalpis Winiowski 1888 (Genus)
Sphaerocarpa Schumacher 1803 (Genus)
Sphaerocca Lauterborn 1894 (Genus)
Sphaerocircus Haeckel 1881 (Genus)
Sphaeromespilus Haeckel 1887 (Genus)
Sphaerosira Ehrenberg (1832) (Genus)
Sphaerosperma Pouchet 1893 (Genus)
Sphaerosporidium Mazzarelli 1907 (Genus)
Sphaerosporostes Gistl 1848 (Genus)
Sphaerospyris Haeckel 1887 (Genus)
Sphaerostroma Guerich 1896 (Genus)
Sphaerostylantha Haeckel 1887 (Genus)
Sphaerostyletta Haeckel 1887 (Genus)
Sphaerostylissa Haeckel 1887 (Genus)
Sphaerostylomma Haeckel 1887 (Genus)
Sphaerotrichum Dahl 1932 (Genus)
Sphaerozonactis Haeckel 1887 (Genus)
Sphaerozonoceras Haeckel 1887 (Genus)
Sphaerozonura Haeckel 1887 (Genus)
Sphaerozoon Hensen 1887 (Genus)
Sphaira Raymond 1903 (Genus)
Spherocephalus Schneider [1885] (Genus)
Sphincterulus Oken 1815 (Genus)
Spidestomella Costa 1856 (Genus)
Spirema Haeckel 1887 (Genus)
Spiremarium Haeckel 1887 (Genus)
Spiremidium Haeckel 1887 (Genus)
Spireuma Haeckel 1881 (Genus)
Spiridobotrys Buetschli 1881 (Genus)
Spirilina Bory de St. Vincent 1826 (Genus)
Spiriloculina Agassiz 1846 (Genus)
Spirobotrys Ehrenberg 1844 (Genus)
Spirocampe Haeckel 1881 (Genus)
Spirocapsa Ruest 1892 (Genus)
Spirocerium Ehrenberg 1859 (Genus)
Spirochrysis Conrad 1931 (Genus)
Spiroculina Stoehr 1877 (Genus)
Spirocyrtidium Haeckel 1887 (Genus)
Spirocyrtoma Haeckel 1887 (Genus)
Spirofilum Gelei 1929 (Genus)
Spirolinites Lamarck 1804 (Genus)
Spirolocunina Stoehr 1877 (Genus)
Spironetta Haeckel 1887 (Genus)
Spironilla Haeckel 1887 (Genus)
Spironium Haeckel 1887 (Genus)
Spirophacus Lemmermann 1901 (Genus)
Spirophthalmidium Galloway 1933 (Genus)
Spiroplectoides Cushman 1927 (Genus)
Spiropthalmidium Cushman 1927 (Genus)
Spiroschaudinnia Sambon 1907 (Genus)
Spirosphaerina Sherborn 1896 (Genus)
Spirostegina Zborzewski 1843 (Genus)
Spirostomina Gruber 1884 (Genus)
Spongasteriscinus Haeckel 1887 (Genus)
Spongasterisculus Haeckel 1887 (Genus)
Spongastrella Haeckel 1887 (Genus)
Spongastromma Haeckel 1887 (Genus)
Spongatractus Haeckel 1887 (Genus)
Spongechinus Haeckel 1881 (Genus)
Spongellipsarium Haeckel 1887 (Genus)
Spongellipsidium Haeckel 1887 (Genus)
Spongellipsis Haeckel 1887 (Genus)
Spongioconcha Mast 1910 (Genus)
Spongiodictyum Hensen 1887 (Genus)
Spongiomma Haeckel 1887 (Genus)
Spongiommella Haeckel 1887 (Genus)
Spongiommura Haeckel 1887 (Genus)
Spongoacanthus Squinabol 1903 (Genus)
Spongocoelia Hinde 1899 (Genus)
Spongocorina Haeckel 1887 (Genus)
Spongocorisca Haeckel 1887 (Genus)
Spongocyrtis Dunikowski 1882 (Genus)
Spongodictyoma Haeckel 1887 (Genus)
Spongodictyum Haeckel 1862 (Genus)
Spongodisculus Haeckel 1887 (Genus)
Spongodruppa Haeckel 1887 (Genus)
Spongodruppium Haeckel 1887 (Genus)
Spongodruppula Haeckel 1887 (Genus)
Spongodrymus Haeckel 1881 (Genus)
Spongolarcus Haeckel 1887 (Genus)
Spongolene Haeckel 1887 (Genus)
Spongolivetta Haeckel 1887 (Genus)
Spongolivina Haeckel 1887 (Genus)
Spongolonchis Haeckel 1887 (Genus)
Spongomelissa Haeckel 1887 (Genus)
Spongophacus Haeckel 1881 (Genus)
Spongophorticium Haeckel 1887 (Genus)
Spongophortis Haeckel 1881 (Genus)
Spongopila Haeckel 1881 (Genus)
Spongoplegma Haeckel 1881 (Genus)
Spongoprunum Haeckel 1887 (Genus)
Spongopylarium Dreyer 1888 (Genus)
Spongopylidium Dreyer 1888 (Genus)
Spongopyramis Haeckel 1887 (Genus)
Spongosphaerium Haeckel 1881 (Genus)
Spongosphaeromma Haeckel 1887 (Genus)
Spongostylium Haeckel 1881 (Genus)
Spongostylus Haeckel 1881 (Genus)
Spongothamnus Haeckel 1887 (Genus)
Spongotripodiscus Haeckel 1887 (Genus)
Spongotripus Haeckel 1881 (Genus)
Spongotrochiscus Haeckel 1887 (Genus)
Spongoxiphus Haeckel 1887 (Genus)
Spongurantha Haeckel 1887 (Genus)
Spongurella Haeckel 1887 (Genus)
Sponguroma Haeckel 1887 (Genus)
Spongylomorum Ehrenberg 1848 (Genus)
Staurobelone Haeckel 1881 (Genus)
Staurocaryum Haeckel 1881 (Genus)
Staurococcura Carter 1896 (Genus)
Staurocromyum Haeckel 1881 (Genus)
Staurocyclia Haeckel 1881 (Genus)
Staurodictya Haeckel 1881 (Genus)
Stentorella Reichenbach 1828 (Genus)
Stentorina Bory 1826 (Genus)
Stephanastrella Haeckel 1887 (Genus)
Stephanastromma Haeckel 1887 (Genus)
Stichocapsa Haeckel 1881 (Genus)
Stichochaeta Claparde & Lachmann 1858 (Genus)
Stichocorys Haeckel 1881 (Genus)
Stichocyrtis Haeckel 1881 (Genus)
Sticholagena Haeckel 1887 (Genus)
Sticholepis Ehrenberg 1872 [sep. 1871] (Genus)
Stichomitra Cayeux 1897 (Genus)
Stichopera Haeckel 1881 (Genus)
Stichoperina Haeckel 1887 (Genus)
Stichophaenidium Haeckel 1887 (Genus)
Stichophaenoma Haeckel 1887 (Genus)
Stichophatna Haeckel 1881 (Genus)
Stichophormiscus Haeckel 1887 (Genus)
Stichophormium Haeckel 1887 (Genus)
Stichopilidium Haeckel 1887 (Genus)
Stichopodium Haeckel 1881 (Genus)
Stichopterium Haeckel 1887 (Genus)
Stichopterygium Haeckel 1881 (Genus)
Sporadina Stein 1848 (Genus)
Sporidium Funk 1901 (Genus)
Sporilus Montfort 1808 (Genus)
Sporobiotes Gistl [1847] (Genus)
Sporopsyche Gistl [1847] (Genus)
Stacheia Brady 1876 (Genus)
Staffia Schubert 1912 (Genus)
Stannarium Haeckel 1889 (Genus)
Stauracanthidium Haeckel 1887 (Genus)
Stauracanthonium Haeckel 1887 (Genus)
Stauracontarium Haeckel 1887 (Genus)
Stauracontellium Haeckel 1887 (Genus)
Stauraconthidium Haeckel 1887 (Genus)
Stauracontium Haeckel 1881 (Genus)
Stauraconthonium Haeckel 1887 (Genus)
Stauractinium Haeckel 1887 (Genus)
Stauractura Haeckel 1881 (Genus)
Stauracturium Haeckel 1887 (Genus)
Stauralastrella Haeckel 1887 (Genus)
Stauralastromma Haeckel 1887 (Genus)
Stauralastrum Haeckel 1887 (Genus)
Staurancistra Haeckel 1881 (Genus)
Staurasparium Haeckel 1887 (Genus)
Stauraspidium Haeckel 1887 (Genus)
Staurentodiscus Haeckel 1887 (Genus)
Staurexodiscus Haeckel 1887 (Genus)
Staurodictyon Haeckel 1887 (Genus)
Staurodruppa Hinde 1899 (Genus)
Staurolithium Haeckel 1862 (Genus)
Staurolonchantha Haeckel 1887 (Genus)
Staurolonchella Haeckel 1887 (Genus)
Staurolonchidium Haeckel 1887 (Genus)
Staurolonchissa Haeckel 1887 (Genus)
Staurolonchura Haeckel 1887 (Genus)
Stauropelma Haeckel 1881 (Genus)
Stauropelta Haeckel 1887 (Genus)
Stauroplegma Hinde 1890 (Genus)
Staurosphaera Haeckel 1881 (Genus)
Staurosphaerantha Haeckel 1887 (Genus)
Staurosphaerella Haeckel 1887 (Genus)
Staurosphaerissa Haeckel 1887 (Genus)
Staurosphaeromma Haeckel 1887 (Genus)
Staurospira Haeckel 1887 (Genus)
Staurostylus Haeckel 1881 (Genus)
Staurotholissa Haeckel 1887 (Genus)
Staurotholodes Haeckel 1887 (Genus)
Staurotholoma Haeckel 1887 (Genus)
Staurotholura Haeckel 1887 (Genus)
Stauroxiphos Haeckel 1887 (Genus)
Stegasma Corda 1842 (Genus)
Stegnammina Moreman 1930 (Genus)
Stegochilium Schewiakoff 1892 (Genus)
Stellolonche Popofsky 1904 (Genus)
Stenokalyx Schiller 1926 (Genus)
Stephanolithes Bury [1862] (Genus)
Stephanolithis Ehrenberg 1847 (Genus)
Stephanopela de Folin 1881 (Genus)
Stephanophaena Haeckel 1887 (Genus)
Stephanophatna Haeckel 1881 (Genus)
Stephanophora Lger 1892 (Genus)
Stephanospyris Haeckel 1862 (Genus)
Stephonoma Cohn 1852 (Genus)
Stercomonas Penso 1932 (Genus)
Stichocampe Haeckel 1881 (Genus)
Stomatodiscus Haeckel 1887 (Genus)
Strombidion Claparde & Lachmann 1860 (Genus)
Strombilidium Schewiakoff 1892 (Genus)
Strombodia Strand 1917 (Genus)
Stylotrochiscus Haeckel 1887 (Genus)
Stylotrochus Haeckel 1862 (Genus)