Kudo system

A taxonomic system of the protozoa, the Kudo system, was published in 1954 by Richard R. Kudo in Protozoology.^[1] It is now considered outdated.

Phylum Protozoa Goldfuss

Subphylum 1 Plasmodroma Doflein

Class 1 Mastigophora Diesing

Subclass 1 Phytomastigina Doflein

• Order 1 Chrysomonadina Stein

• Suborder 1 Euchrysomonadina Pascher

• Family 1 Chromulinidae Engler

• Genus Chromulina Cienkowski, Genus Pseudochromulina Doflein, Genus Chrysamoeba Klebs, Genus Chrysapsis Pascher, Genus Chrysococcus Klebs, Genus Mallomonas Perty (Pseudomallomonas Chodat), Genus Microglena Ehrenberg, Genus Pyramidochrysis Pascher, Genus Sphaleromantis Pascher, Genus Kephyrion Pascher, Genus Chrysopyxis Stein, Genus Cyrtophora Pascher, Genus Palatinella Lauterborn, Genus Chrysosphaerella Lauterborn, Genus Porochrysis Pascher, Genus Angulochrysis Lackey, Genus Stylochromonas L.

• Family 2 Syncryptidae Poche

• Genus Syncrypta Ehrenberg, Genus Synura Ehrenberg (Synuropsis Schiller), Genus Hymenomonas Stein, Genus Derepyxis Stokes, Genus Stylochrysalis Stein

• Family 3 Ochromonadidae Pascher

• Genus Ochromonas Wyssotzki, Genus Uroglena Ehrenberg, Genus Uroglenopsis Lemmermann, Genus Cyclonexis Stokes, Genus Dinobryon Ehrenberg, Genus Hyalobryon Lauterborn, Genus Stylopyxis Bolochonzew

• Family 4 Coccolithidae Lohmann

• Pontosphaera haeckeli Lohmann, Discosphaera tubifer Murray and Blackman

• Family 5 Silicoflagellidae Borgert

• Distephanus speculum Müller

• Suborder 2 Rhizochrysidina Pascher

• Genus Rhizochrysis Pascher, Genus Chrysidiastrum Lauterborn, Genus Chrysarachnion Pascher, Genus Chrysothylakion Pascher

• Suborder 3 Chrysocapsina Pascher

• Genus Hydrurus Agardh, Genus Chrysocapsa Pascher, Genus Phaeosphaera West and West

• Order 2 Cryptomonadina Stein

• Suborder 1 Eucryptomonadina Pascher

• Family 1 Cryptomonadidae Stein

• Genus Cryptomonas Ehrenberg, Genus Chilomonas Ehrenberg, Genus Chrysidella Pascher, Genus Cyathomonas Fromentel, Genus Cryptochrysis Pascher, Genus Rhodomonas Karsten

• Family 2 Nephroselmidae Pascher

• Genus Nephroselmis Stein, Genus Protochrysis Pascher

• Suborder 2 Phaeocapsina Pascher

• Phaeothamnion confervicolum Lagerheim

• Order 3 Phytomonadina Blochmann

• Family 1 Chlamydomonadidae Butschli

• Genus Chlamydomonas Ehrenberg, Genus Haematococcus Agardh (Sphaerella Sommerfeldt), Genus Sphaerellopsis Korschikoff (Chlamydococcus Stein), Genus Brachiomonas Bohlin, Genus Lobomonas Dangeard, Genus Diplostauron Korschikoff, Genus Gigantochloris Pascher, Genus Gloeomonas Klebs, Genus Scourfieldia West, Genus Thorakomonas Korschikoff, Genus Coccomonas Stein, Genus Chlorogonium Ehrenberg, Genus Phyllomonas Korschikoff, Genus Sphaenochloris Pascher, Genus Korschikoffia Pascher, Genus Furcilla Stokes, Genus Hyalogonium Pascher, Genus Polytoma Ehrenberg (Chlamydoblepharis Francé; Tussetia Pascher), Genus Parapolytoma Jameson

• Family 2 Trichlorididae

• Genus Trichloris Scherffel and Pascher

• Family 3 Carteriidae

• Genus Carteria Diesing (Corbierea, Pithiscus Dangeard), Genus Pyramimonas Schmarda (Pyramidomonas Stein), Genus Polytomella Aragão, Genus Medusochloris Pascher, Genus Spirogonium Pascher, Genus Tetrablepharis Senn, Genus Spermatozopsis Korschikoff

• Family 4 Chlorasteridae

• Genus Chloraster Ehrenberg

• Family 5 Polyblepharididae Dangeard

• Genus Polyblepharides Dangeard, Genus Pocillomonas Steinecke

• Family 6 Phacotidae Poche

• Genus Phacotus Perty, Genus Pteromonas Seligo, Genus Dysmorphococcus Takeda

• Family 7 Volvocidae Ehrenberg

• Genus Volvox Linnaeus, Genus Gonium Müller, Genus Stephanoon Schewiakoff, Genus Platydorina Kofoid, Genus Spondylomorum Ehrenberg, Genus Chlamydobotrys Korschikoff, Genus Stephanosphaera Cohn, Genus Pandorina Bory, Genus Mastigosphaera Schewiakoff, Genus Eudorina Ehrenberg, Genus Pleodorina Shaw

• Order 4 Euglenoidina Blochmann

• Family 1 Euglenidae Stein

• Genus Euglena Ehrenberg, Genus Khawkinea Jahn and McKibben, Genus Phacus Dujardin, Genus Lepocinclis Perty (Crumenula Dujardin), Genus Trachelomonas Ehrenberg, Genus Cryptoglena Ehrenberg, Genus Ascoglena Stein, Genus Colacium Ehrenberg, Genus Eutreptia Perty (Eutreptiella da Cunha), Genus Euglenamorpha Wenrich

• Family 2 Astasiidae Butschli

• Genus Astasia Dujardin, Genus Urceolus Mereschkowsky (Phialonema Stein), Genus Petalomonas Stein, Genus Rhabdomonas Fresenius, Genus Scytomonas Stein, Genus Copromonas Dobell

• Family 3 Anisonemidae Schewiakoff

• Genus Anisonema Dujardin, Genus Peranema Dujardin, Genus Heteronema Dujardin, Genus Tropidoscyphus Stein, Genus Distigma Ehrenberg, Genus Entosiphon Stein, Genus Notosolenus Stokes, Genus Triangulomonas Lackey, Genus Marsupiogaster Schewiakoff

• Order 5 Chloromonadina Klebs

• Genus Gonyostomum Diesing (Rhaphidomonas Stein), Genus Vacuolaria Cienkowski (Coelomonas Stein), Genus Trentonia Stokes, Genus Thaumatomastix Lauterborn

• Order 6 Dinoflagellata Bütschli

• Suborder 1 Prorocentrinea Poche

• Family Prorocentridae Kofoid

• Genus Prorocentrum Ehrenberg, Genus Exuviaella Cienkowski

• Suborder 2 Peridiniinea Poche

• Tribe 1 Gymnodinioidae Poche

• Family 1 Cystodiniidae Kofoid and Swezy

• Genus Cystodinium Klebs, Genus Glenodinium Ehrenberg (Glenodiniopsis, Stasziecella Woloszynska)

• Family 2 Pronoctilucidae Lebour

• Genus Pronoctiluca Fabre-Domergue, Genus Oxyrrhis Dujardin

• Family 3 Pouchetiidae Kofoid and Swezy

• Genus Pouchetia Schütt, Genus Protopsis Kofoid and Swezy, Genus Nematodinium Kofoid and Swezy, Genus Proterythropsis Kofoid and Swezy, Genus Erythropsis Hertwig

• Family 4 Noctilucidae Kent

• Genus Noctiluca Suriray, Genus Pavillardia Kofoid and Swezy

• Family 5 Gymnodiniidae Kofoid

• Genus Gymnodinium Stein, Genus Hemidinium Stein, Genus Amphidinium Claparède and Lachmann, Genus Gyrodinium Kofoid and Swezy, Genus Cochlodinium Schütt, Genus Torodinium Kofoid and Swezy, Genus Massartia Conrad, Genus Chilodinium Conrad, Genus Trochodinium Conrad, Genus Ceratodinium Conrad

• Family 6 Blastodiniidae Kofoid and Swezy

• Genus Blastodinium Chatton, Genus Oodinium Chatton, Genus Apodinium Chatton, Genus Chytriodinium Chatton, Genus Trypanodinium Chatton, Genus Duboscqella Chatton, Genus Haplozoon Dogiel, Genus Syndinium Chatton, Genus Paradinium Chatton, Genus Ellobiopsis Caullery, Genus Paraellobiopsis Collin

• Family 7 Polykrikidae Kofoid and Swezey

• Genus Polykrikos Bütschli

• Tribe 2 Peridinioidae Poche

• Family 1 Peridiniidae Kent

• Genus Peridinium Ehrenberg, Genus Ceratium Schrank, Genus Heterodinium Kofoid, Genus Dolichodinium Kofoid and Adamson, Genus Goniodoma Stein, Genus Gonyaulax Diesing, Genus Spiraulax Kofoid, Genus Woloszynskia Thompson

• Family 2 Dinophysidae Kofoid

• Genus Dinophysis Ehrenberg, Genus Oxyphysis Kofoid

• Family 3 Phytodiniidae Klebs

• Genus Phytodinium Klebs, Genus Dissodinium Klebs

• Suborder 3 Cystoflagellata Haeckel

• Leptodiscus medusoides Hertwig, Craspedotella pileolus Kofoid

Subclass 2 Zoomastigina Doflein

• Order 1 Rhizomastigina Bütschli

• Family 1 Multiciliidae Poche

• Genus Multicilia Cienkowski

• Family 2 Mastigamoebidae

• Genus Mastigamoeba Schulze (Mastigina Frenzel), Genus Mastigella Frenzel, Genus Actinomonas Kent, Genus Dimorpha Gruber, Genus Tetradimorpha Hsiung, Genus Pteridomonas Penard, Genus Histomonas Tyzzer, Genus Rhizomastix Alexeieff

• Order 2 Protomonadina Blochmann

• Family 1 Phalansteriidae Kent

• Genus Phalansterium Cienkowski

• Family 2 Codosigidae Kent

• Genus Codosiga Kent (Codonocladium Stein; Astrosiga Kent), Genus Monosiga Kent, Genus Desmarella Kent, Genus Proterospongia Kent, Genus Sphaeroeca Lauterborn, Genus Diplosiga Frenzel (Codonosigopsis Senn)

• Family 3 Bicosoecidae Poche

• Genus Bicosoeca James-Clark, Genus Salpingoeca James-Clark, Genus Diplosigopsis Francé, Genus Histiona Voigt, Genus Poteriodendron Stein, Genus Codonoeca James-Clark, Genus Lagenoeca Kent, Genus Stelexomonas Lackey

• Family 4 Oikomonadidae Hartog

• Genus Oikomonas Kent, Genus Thylacomonas Schewiakoff, Genus Ancyromonas Kent, Genus Platytheca Stein, Genus Aulomonas Lackey, Genus Caviomonas Nie

• Family 5 Trypanosomatidae Doflein

• Genus Trypanosoma Gruby, Genus Crithidia Léger, Genus Leptomonas Kent, Genus Phytomonas Donovan, Genus Herpetomonas Kent, Genus Leishmania Ross

• Family 6 Cryptobiidae Poche

• Genus Cryptobia Leidy (Trypanoplasma Laveran and Mesnil)

• Family 7 Amphimonadidae Kent

• Genus Amphimonas Dujardin, Genus Spongomonas Stein, Genus Cladomonas Stein, Genus Rhipidodendron Stein, Genus Spiromonas Perty, Genus Diplomita Kent, Genus Streptomonas Klebs, Genus Dinomonas Kent

• Family 8 Monadidae Stein

• Genus Monas Müller (Physomonas Kent), Genus Stokesiella Lemmermann, Genus Stylobryon Fromentel, Genus Dendromonas Stein, Genus Cephalothamnium Stein, Genus Anthophysis Bory (Anthophysa)

• Family 9 Bodonidae Bütschli

• Genus Bodo Ehrenberg (Prowazekia Hartman and Chagas), Genus Pleuromonas Perty, Genus Rhynchomonas Klebs (Cruzella Faria, da Cunha and Pinto), Genus Proteromonas Kunstler (Prowazekella Alexeieff), Genus Retortamonas Grassi (Embadomonas Mackinnon), Genus Phyllomitus Stein, Genus Colponema Stein, Genus Cercomonas Dujardin

• Order 3 Polymastigina Blochmann

• Suborder 1 Monomonadina

• Family 1 Trimastigidae Kent

• Genus Trimastix Kent, Genus Dallingeria Kent, Genus Macromastix Stokes, Genus Mixotricha Sutherland

• Family 2 Tetramitidae Bütschli

• Genus Tetramitus Perty, Genus Collodictyon Carter, Genus Costia Leclerque, Genus Enteromonas da Fonseca (Tricercomonas Wenyon and O'Connor), Genus Copromastix Aragão, Genus Karotomorpha Travis (Tetramastix Alexeieff)

• Family 3 Streblomastigidae Kofoid and Swezy

• Genus Streblomastix K. and S.

• Family 4 Chilomastigidae Wenyon

• Genus Chilomastix Alexeieff

• Family 5 Callimastigidae da Fonseca

• Genus Callimastix Weissenberg

• Family 6 Polymastigidae Bütschli

• Genus Polymastix Bütschli, Genus Eutrichomastix Kofoid and Swezy (Trichomastix Blochmann), Genus Chilomitus da Fonseca, Genus Hexamastix Alexeieff, Genus Protrichomonas Alexeieff, Genus Monocercomonoides Travis (Monocercomonas Grassi), Genus Cochlosoma Kotlán

• Family 7 Oxymonadidae Kirby

• Genus Oxymonas Janicki, Genus Proboscidiella Kofoid and Swezy (Microrhopalodina Grassi and Foà; Kirbyella Zeliff)

• Family 8 Dinenymphidae Grassi and Foà

• Genus Dinenympha Leidy, Genus Pyrsonympha Leidy, Genus Saccinobaculus Cleveland, Genus Notila Cleveland

• Family 9 Devescovinidae Doflein

• Genus Devescovina Foà, Genus Parajoenia Janicki, Genus Foaina Janicki (Janickiella Duboscq and Grasse), Paradevescovina, Crucinympha Kirby), Genus Macrotrichomonas Grassi, Genus Metadevescovina Light, Genus Caduceia França, Genus Hyperdevescovina Kirby, Genus Pseudodevescovina Sutherland, Genus Bullanympha Kirby, Genus Gigantomonas Dogiel (Myxomonas D.)

• Family 10 Trichomonadidae Wenyon

• Genus Trichomonas Donné, Genus Tritrichomonas Kofoid, Genus Pseudotrichomonas Bishop, Genus Tricercomitus Kirby, Genus Pentatrichomonas Mesnil, Genus Pentatrichomonoides Kirby, Genus Pseudotrypanosoma Grassi

• Suborder 2 Diplomonadina

• Family Hexamitidae Kent

• Genus Hexamita Dujardin (Octomitus Prowazek), Genus Giardia Kunstler (Lamblia Blanchard), Genus Trepomonas Dujardin, Genus Gyromonas Seligo, Genus Trigonomonas Klebs, Genus Urophagus Klebs

• Suborder 3 Polymonadina

• Genus Calonympha Foà, Genus Stephanonympha Janicki, Genus Coronympha Kirby, Genus Metacoronympha Kirby, Genus Snyderella Kirby

• Order 4 Hypermastigina Grassi and Foà

• Family 1 Holomastigotidae Janicki

• Genus Holomastigotes Grassi, Genus Holomastigotoides Grassi and Foà, Genus Spirotrichonympha Grassi and Foà (1911), Genus Spirotrichonymphella Grassi, Genus Microspirotrichonympha Koidzumi (Spironympha Koidzumi), Genus Spirotrichosoma Sutherland, Genus Macrospironympha Cleveland et al., Genus Leptospironympha Cleveland et al., Genus Rostronympha Duboscq, Grassé and Rose

• Family 2 Lophomonadidae Kent

• Genus Lophomonas Stein, Genus Eulophomonas Grassi and Foà, Genus Prolophomonas Cleveland et al., Genus Joenia Grassi, Genus Joenina Grassi, Genus Joenopsis Cutler, Genus Microjoenia Grassi, Genus Mesojoenia Grassi and Foà, Genus Torquenympha Brown

• Family 3 Hoplonymphidae Light

• Genus Hoplonympha Light, Genus Barbulanympha Cleveland et al., Genus Rhynchonympha Cleveland et al., Genus Urinympha Cleveland et at.

• Family 4 Staurojoeninidae Grassi

• Genus Staurojoenina Grassi, Genus Idionympha Cleveland et al.

• Family 5 Kofoidiidae Light

• Genus Kofoidia Light

• Family 6 Trichonymphidae Kent

• Genus Trichonympha Leidy (Leidyonella Frenzel; Gymnonympha Dobell; ? Leidyopsis Kofoid and Swezy), Genus Pseudotrichonympha Grassi and Foà, Genus Deltotrichonympha Sutherland

• Family 7 Eucomonymphidae Cleveland et al.

• Genus Eucomonympha Cleveland et al.

• Family 8 Teratonymphidae Koidzumi

• Genus Teratonympha Koidzumi (Teranympha K.; Cyclonympha Dogiel)

Class 2 Sarcodina Hertwig and Lesser

Subclass 1 Rhizopoda Siebold

• Order 1 Proteomyxa Lankester

• Family 1 Labyrinthulidae Haeckel

• Genus Labyrinthula Cienkowski, Genus Labyrinthomyxa Duboscq

• Family 2 Pseudosporidae Berlese

• Genus Pseudospora Cienkowski, Genus Protomonas Cienkowski

• Family 3 Vampyrellidae Doflein

• Genus Vampyrella Cienkowski, Genus Nuclearia Cienkowski, Genus Arachnula Cienkowski, Genus Chlamydomyxa Archer, Genus Rhizoplasma Verworn, Genus Chondropus Greeff, Genus Biomyxa Leidy (Gymnophrys Cienkowski), Genus Penardia Cash, Genus Hyalodiscus Hertwig and Lesser, Genus Leptomyxa Goodey, Genus Megamoebomyxa Nyholm, Genus Reticulomyxa Nauss

• Order 2 Mycetozoa de Bary

• Suborder 1 Eumycetozoa Zopf

• Family 1 Physaridae

• Genus Badhamia Berkeley, Genus Fuligo Haller

• Family 2 Didymiidae

• Genus Didymium Schrader

• Family 3 Stemonitidae

• Genus Stemonitis Gleditsch

• Family 4 Amaurochaetidae

• Genus Amaurochaete Rostafinski

• Family 5 Cribrariidae

• Genus Cribraria Persoon

• Family 6 Liceidae

• Genus Orcadella Wingate

• Family 7 Tubulinidae

• Genus Tubulina Persoon

• Family 8 Reticulariidae

• Genus Reticularia Bulliard

• Family 9 Lycogalidae

• Genus Lycogala Micheli

• Family 10 Trichiidae

• Genus Trichia Haller

• Family 11 Arcyriidae

• Genus Arcyria Wiggers

• Family 12 Margaritidae

• Genus Margarita Lister

• Family 13 Ceratiomyxidae

• Genus Ceratiomyxa Schröter

• Suborder 2 Sorophora Lister

• Family 1 Guttuliniidae
• Family 2 Dictyosteliidae

• Phytomyxinea Poche

• Genus Plasmodiophora Woronin, Genus Sorosphaera Schröter, Genus Tetramyxa Goebel, Genus Octomyxa Couch, Leitner and Whiffen, Genus Sorodiscus Lagerheim and Winge, Genus Polymyxa Ledingham, Genus Membranosorus Ostenfeld and Petersen, Genus Spongospora Brunchorst, Genus Ligniera Maire and Tison

• Order 3 Amoebina Ehrenberg

• Family 1 Naegleriidae

• Genus Naegleria Alexeieff, Genus Trimastigamoeba Whitmore

• Family 2 Amoebidae Bronn

• Genus Amoeba Ehrenberg (Proteus Müller; Amiba Bory), Genus Dinamoeba Leidy, Genus Pelomyxa Greeff, Genus Vahlkampfia Chatton and Lalung-Bonnaire, Genus Hartmannella Alexeieff, Genus Acanthamoeba Volkonsky, Genus Sappinia Dangeard

• Family 3 Endamoebidae Calkins

• Genus Endamoeba Leidy (1879), Genus Entamoeba Casagrandi and Barbagallo (1895), Genus Iodamoeba Dobell, Genus Endolimax Kuenen and Swellengrebel, Genus Dientamoeba Jepps and Dobell, Genus Martinezia Hegner and Hewitt, Genus Dobellina Bishop and Tate, Genus Schizamoeba Davis, Genus Hydramoeba Reynolds and Looper

• Family 4 Paramoebidae Poche

• Genus Paramoeba Schaudinn

• Order 4 Testacea Schultze (Thecamoeba)

• Family 1 Gromiidae Eimer and Fickert

• Genus Gromia Dujardin (Allogromia, Rhynchogromia, Diplogromia Rhumbler), Genus Microgromia Hertwig and Lesser, Genus Microcometes Cienkowski, Genus Artodiscus Penard, Genus Lieberkühnia Claparède and Lachmann, Genus Diplophrys Barker, Genus Lecythium Hertwig and Lesser, Genus Schultzella Rhumbler, Genus Myxotheca Schaudinn, Genus Dactylosaccus Rhumbler, Genus Boderia Wright

• Family 2 Arcellidae Schultze

• Genus Arcella Ehrenberg, Genus Pyxidicula Ehrenberg, Genus Pseudochlamys Claparède and Lachmann, Genus Difflugiella Cash, Genus Cryptodifflugia Penard, Genus Lesquereusia Schlumberger, Genus Hyalosphenia Stein, Genus Corycia Dujardin, Genus Pamphagus Bailey, Genus Plagiophrys Claparède and Lachmann, Genus Leptochlamys West, Genus Chlamydophrys Cienkowski, Genus Cochliopodium Hertwig and Lesser, Genus Amphizonella Greeff, Genus Zonomyxa Nüsslin, Genus Microcorycia Cockerell, Genus Parmulina Penard, Genus Capsellina Penard, Genus Diplochlamys Greeff

• Family 3 Difflugiidae Taranek

• Genus Difflugia Leclerc, Genus Campascus Leidy, Genus Cucurbitella Penard, Genus Plagiopyxis Penard, Genus Pontigulasia Rhumbler, Genus Phryganella Penard, Genus Bullinula Penard, Genus Heleopera Leidy, Genus Averintzia Schouteden, Genus Nadinella Penard, Genus Frenzelina Penard, Genus Amphitrema Archer, Genus Pseudodifflugia Schlumberger, Genus Diaphoropodon Archer, Genus Clypeolina Penard

• Family 4 Euglyphidae Wallich

• Genus Euglypha Dujardin (Pareuglypha Penard), Genus Paulinella Lauterborn, Genus Cyphoderia Schlumberger, Genus Trinema Dujardin, Genus Corythion Taránek, Genus Placocista Leidy, Genus Assulina Ehrenberg, Genus Nebela Leidy, Genus Quadrula Schulze, Genus Sphenoderia Schlumberger

• Order 5 Foraminifera d'Orbigny

• Family 1 Astrorhizidae

• Genus Rhabdammina Sars

• Family 2 Rhizamminidae

• Genus Rhizammina Brady

• Family 3 Saccamminidae

• Genus Saccammina Sars

• Family 4 Hyperamminidae

• Genus Hyperammina Brady

• Family 5 Ammodiscidae

• Genus Ammodiscus Reuss

• Family 6 Silicinidae

• Genus Silicina Bornemann

• Family 7 Reophacidae

• Genus Reophax Montfort

• Family 8 Lituolidae

• Genus Lituola Lamarck

• Family 9 Fusulinidae

• Genus Fusulina Fisher

• Family 10 Loftusiidae

• Genus Loftusia Brady

• Family 11 Textulariidae

• Genus Textularia Defrance

• Family 12 Verneuilinidae

• Genus Verneuilina d'Orbigny

• Family 13 Valvulinidae

• Genus Valvulina d'Orbigny

• Family 14 Neusinidae

• Genus Neusina Goës

• Family 15 Trochamminidae

• Genus Trochammina Parker and Jones

• Family 16 Placopsilinidae

• Genus Placopsilina d'Orbigny

• Family 17 Orbitolinidae

• Genus Tetrataxis Ehrenberg

• Family 18 Miliolidae

• Genus Spiroloculina d'Orbigny, Genus Triloculina d'Orbigny

• Family 19 Fischerinidae

• Genus Fischerina Terquem

• Family 20 Ophthalmidiidae

• Genus Vertebralina d'Orbigny

• Family 21 Peneroplidae

• Genus Peneroplis Montfort

• Family 22 Alveolinellidae

• Genus Alveolinella Douvillé

• Family 23 Keramosphaeridae

• Genus Keramosphaera Brady

• Family 24 Lagenidae

• Genus Lagena Walker and Jacob

• Family 25 Polymorphinidae

• Genus Polymorphina d'Orbigny

• Family 26 Nonionidae

• Genus Elphidium Montfort (Polystomella Lamarck)

• Family 27 Camerinidae

• Genus Operculina d'Orbigny

• Family 28 Heterohelicidae

• Genus Pavonina d'Orbigny

• Family 29 Hantkeninidae

• Genus Hantkenina Cushman

• Family 30 Buliminidae

• Genus Bolivina d'Orbigny

• Family 31 Ellipsoidinidae

• Genus Ellipsoidina Seguenza

• Family 32 Rotaliidae

• Genus Rotalia Lamarck, Genus Spirillina Ehrenberg, Genus Patellina Williamson, Genus Discorbis Lamarck

• Family 33 Amphisteginidae

• Genus Asterigerina d'Orbigny

• Family 34 Calcarinidae

• Genus Calcarina d'Orbigny

• Family 35 Halkyardiidae

• Genus Halkyardia Heron-Allen and Earland

• Family 36 Cassidulinidae

• Genus Cassidulina d'Orbigny

• Family 37 Chilostomellidae

• Genus Allomorphina Reuss

• Family 38 Globigerinidae

• Genus Globigerina d'Orbigny

• Family 39 Globorotaliidae

• Genus Globorotalia Cushman

• Family 40 Anomalinidae

• Genus Anomalina d'Orbigny

• Family 41 Planorbulinidae

• Genus Planorbulina d'Orbigny

• Family 42 Rupertiidae

• Genus Rupertia Wallich

• Family 43 Homotremidae

• Genus Homotrema Hickson

• Family 44 Orbitoididae

• Genus Orbitoides d'Orbigny

Subclass 2 Actinopoda Calkins

• Order 1 Heliozoa Haeckel

• Family 1 Actinocomidae

• Genus Actinocoma Penard

• Family 2 Actinophyridae Claus

• Genus Actinophrys Ehrenberg, Genus Actinosphaerium Stein, Genus Camptonema Schaudinn, Genus Oxnerella Dobell

• Family 3 Ciliophryidae Poche

• Genus Ciliophrys Cienkowski

• Family 4 Lithocollidae Poche

• Genus Lithocolla Schulze, Genus Astrodisculus Greeff, Genus Actinolophus Schulze, Genus Elaeorhanis Greeff, Genus Sphaerastrum Greeff

• Family 5 Heterophryidae Poche

• Genus Heterophrys Archer

• Family 6 Clathrellidae Poche

• Genus Clathrella Penard

• Family 7 Acanthocystidae Claus

• Genus Acanthocystis Carter, Genus Pompholyxophrys Archer, Genus Raphidiophrys Archer, Genus Raphidocystis Penard, Genus Wagnerella Mereschkowsky, Genus Pinaciophora Greeff

• Family 8 Clathrulinidae Claus

• Genus Clathrulina Cienkowski, Genus Hedriocystis Hertwig and Lesser, Genus Elaster Grimm, Genus Choanocystis Penard

• Family 9 Myriophryidae Poche

• Genus Myriophrys Penard

• Order 2 Radiolaria Müller

• Suborder 1 Actipylea Hertwig

• Family 1 Actineliidae

• Genus Actinelius

• Family 2 Acanthociasmidae

• Genus Acanthociasma

• Family 3 Acanthometridae

• Genus Acanthometron

• Family 4 Acanthoniidae

• Genus Acanthonia

• Family 5 Amphilonchidae

• Genus Amphilonche

• Family 6 Sphaerocapsidae

• Genus Sphaerocapsa

• Family 7 Diploconidae

• Genus Diploconus

• Family 8 Hexalaspidae

• Genus Hexaconus

• Suborder 2 Peripylea Hertwig

• Family 1 Physematiidae

• Genus Lampoxanthium

• Family 2 Thalassicollidae

• Genus Thalassicolla

• Family 3 Thalassophysidae

• Genus Thalassophysa

• Family 4 Thalassothamnidae

• Genus Thalassothamnus

• Family 5 Orosphaeridae

• Genus Orosphaera

• Family 6 Sphaeroidae

• Genus Hexacontium

• Family 7 Prunoidae

• Genus Pipetta

• Family 8 Discoidae

• Genus Staurocyclia

• Family 9 Larcoidae

• Genus Cenolarus

• Family 10 Sphaerozoidae

• Genus Sphaerozoum

• Family 11 Collosphaeridae

• Genus Collosphaera

• Suborder 3 Monopylea Hertwig

• Family 1 Nassoidae

• Genus Cystidium

• Family 2 Plectoidae

• Genus Triplagia

• Family 3 Stephoidae

• Genus Lithocircus

• Family 4 Cyrtoidae

• Genus Dictyophimus

• Family 5 Botryoidae

• Genus Phormobothrys

• Suborder 4 Triplylea Hertwig

• Family 1 Aulacanthidae

• Genus Aulacantha

• Family 2 Caementellidae

• Genus Caementella

• Family 3 Sagosphaeridae

• Genus Sagenoscene

• Family 4 Aulosphaeridae

• Genus Aulosphaera

• Family 5 Cannosphaeridae

• Genus Cannosphaera

• Family 6 Challengeridae

• Genus Challengeron

• Family 7 Medusettidae

• Genus Medusetta

• Family 8 Castanellidae

• Genus Castanidium

• Family 9 Circoporidae

• Genus Circoporus

• Family 10 Tuscaroridae

• Genus Tuscarora

• Family 11 Coelodendridae

• Genus Coelodendrum

Class 3 Sporozoa Leuckart

Subclass 1 Telosporidia Schaudinn

• Order 1 Gregarinida Lankester

• Suborder 1 Eugregarinina Dofiein

• Tribe 1 Acephalina Kölliker

• Family 1 Monocystidae Bütschli

• Genus Monocystis Stein, Genus Apolocystis Martiis, Genus Nematocystis Hesse, Genus Rhabdocystis Boldt, Genus Enterocystis Zwetkow, Genus Echinocystis Bhatia and Chatterjee

• Family 2 Rhynchocystidae Bhatia

• Genus Rhynchocystis Hesse

• Family 3 Zygocystidae Bhatia

• Genus Zygocystis Stein, Genus Pleurocystis Hesse

• Family 4 Aikinetocystidae Bhatia

• Genus Aikinetocystis Gates

• Family 5 Stomatophoridae Bhatia

• Genus Stomatophora Drzewecki, Genus Astrocystella Martiis, Genus Craterocystis M., Genus Choanocystella M. (Choanocystis M.), Genus Choanocystoides M., Genus Beccaricystis M., Genus Albertisella M.

• Family 6 Schaudinnellidae Poche

• Genus Schaudinnella Nusbaum

• Family 7 Diplocystidae Bhatia

• Genus Diplocystis Kunstler, Genus Lankesteria Mingazzini

• Family 8 Urosporidae Woodcock

• Genus Urospora Schneider, Genus Gonospora Schneider, Genus Lithocystis Giard, Genus Pterospora Racovitza and Labbé, Genus Ceratospora Léger, Genus Cystobia Mingazzini

• Family 9 Allantocystidae Bhatia

• Genus Allantocystis Keilin

• Family 10 Ganymedidae Huxley

• Genus Ganymedes Huxley

• Tribe 2 Cephalina Delage

• Family 1 Lecudinidae Kamm

• Genus Lecudina Mingazzini, Genus Polyrhabdina Mingazzini, Genus Kofoidina Henry, Genus Sycia Léger, Genus Zygosoma Labbé, Genus Ulivina Mingazzini

• Family 2 Cephaloidophoridae Kamm

• Genus Cephaloidophora Mawrodiadi

• Family 3 Stenophoridae Léger and Duboscq

• Genus Stenophora Labbé, Genus Fonsecaia Pinto

• Family 4 Didymophyidae Léger

• Genus Didymophyes Stein

• Family 5 Gregarinidae Labbé

• Genus Gregarina Dufour, Genus Protomagalhaesia Pinto, Genus Gamocystis Schneider, Genus Hyalospora Schneider, Genus Tettigonospora Smith, Genus Hirmocystis Labbé, Genus Uradiophora Mercier, Genus Pyxinioides Trégouboff, Genus Anisolobus Vincent, Genus Carcinoecetes Ball, Genus Heliospora Goodrich, Genus Rotundula Goodrich

• Family 6 Leidyanidae

• Genus Leidyana Watson

• Family 7 Monoductidae Ray and Chakravatry

• Genus Monoductus R. and C., Genus Sphaerocystis Léger, Genus Lepismatophila Adams and Travis, Genus Colepismatophila Adams and Travis, Genus Hyalosporina Chakravarty

• Family 8 Menosporidae Léger

• Genus Menospora Léger

• Family 9 Dactylophoridae Léger

• Genus Dactylophorus Balbiani, Genus Echinomera Labbé, Genus Rhopalonia Léger, Genus Dendrorhynchus Keilin, Genus Trichorhynchus Schneider, Genus Nina Grebnecki (Pterocephalus Schneider), Genus Seticephalus Kamm, Genus Acutispora Crawley, Genus Metamera Duke, Genus Hentschelia Mackinnon and Ray, Genus Lecythion Mackinnon and Ray

• Family 10 Stylocephalidae Ellis

• Genus Stylocephalus Ellis, Genus Bulbocephalus Watson, Genus Sphaerorhynchus Labbé, Genus Cystocephalus Schneider, Genus Lophocephalus Labbé

• Family 11 Acanthosporidae Léger

• Genus Acanthospora Léger, Genus Corycella Léger, Genus Prismatospora Ellis, Genus Ancyrophora Léger, Genus Cometoides Labbé

• Family 12 Actinocephalidae Léger

• Genus Actinocephalus Stein, Genus Amphoroides Labbé, Genus Asterophora Léger, Genus Steinina Léger and Duboscq, Genus Pileocephalus Schneider, Genus Stylocystis Léger, Genus Discorhynchus Labbé, Genus Anthorhynchus Labbé, Genus Sciadiophora Labbé, Genus Amphorocephalus Ellis, Genus Pyxinia Hammerschmidt, Genus Schneideria Léger, Genus Beloides Labbé, Genus Taeniocystis Léger, Genus Stictospora Léger, Genus Bothriopsis Schneider, Genus Coleorhynchus Labbé, Genus Legeria Labbé, Genus Phialoides Labbé, Genus Geneiorhynchus Schneider

• Family 13 Porosporidae Labbé

• Genus Porospora Schneider, Genus Nematopsis Schneider

• Suborder 2 Schizogregarinina Léger

• Family 1 Ophryocystidae Léger and Duboscq

• Genus Ophryocystis Schneider, Genus Merogregarina Porter, Genus Spirocystis Léger and Duboscq

• Family 2 Schizocystidae Léger and Duboscq

• Genus Schizocystis Léger, Genus Syncystis Schneider, Genus Mattesia Naville, Genus Caulleryella Keilin, Genus Lipotropha Keilin, Genus Lipocystis Grell, Genus Selenidium Giard, Genus Meroselenidium Mackinnon and Ray, Genus Selenocystis Dibb, Genus Machadoella Reichenow

• Order 2 Coccidia Leuckart

• Suborder 1 Eimeridia Léger

• Family 1 Selenococcidiidae

• Genus Selenococcidium Léger and Duboscq, Genus Ovivora Mackinnon and Ray

• Family 2 Aggregatidae Labbé

• Genus Aggregata Frenzel, Genus Merocystis Dakin, Genus Pseudoklossia Léger and Duboscq, Genus Caryotropha Siedlecki, Genus Myriospora Lermantoff, Genus Hyaloklossia Labbé, Genus Angeiocystis Brasil

• Family 3 Dobelliidae Ikeda

• Genus Dobellia Ikeda

• Family 4 Eimeriidae Léger

• Genus Eimeria Schneider (Coccidium Leuckart), Genus Jarrina Léger and Hesse, Genus Wenyonella Hoare, Genus Isospora Schneider, Genus Cyclospora Schneider, Genus Dorisiella Ray, Genus Caryospora Léger, Genus Cryptosporidium Tyzzer, Genus Pfeifferinella Wasielewski, Genus Lankesterella Labbé, Genus Schellackia Reichenow (Tyzzeria Allen), Genus Barrouxia Schneider, Genus Echinospora Léger

• Suborder 2 Adeleidea Léger

• Family 1 Adeleidae Léger

• Genus Adelea Schneider, Genus Adelina Hesse, Genus Klossia Schneider, Genus Orcheobius Schuberg and Kunze, Genus Klossiella Smith and Johnson, Genus Legerella Mesnil, Genus Chagasella Machado, Genus Ithania Ludwig

• Family 2 Haemogregarinidae Léger

• Genus Haemogregarina Danilewsky, Genus Hepatozoon Miller, Genus Karyolysus Labbé

• Order 3 Haemosporidia Danilewsky

• Family 1 Plasmodiidae Mesnil

• Genus Plasmodium Marchiafava and Celli

• Family 2 Haemoproteidae Doflein

• Genus Haemoproteus Kruse, Genus Leucocytozoon Danilewsky

• Family 3 Babesiidae Poche

• Genus Babesia Starcovici (Piroplasma Patton), Genus Theileria Bettencourt, França and Borges, Genus Dactylosoma Labbé, Genus Toxoplasma Nicolle and Manceaux

Subclass 2 Acnidosporidia Cépède

• Order 1 Haplosporidia Caullery and Mesnil

• Genus Haplosporidium Caullery and Mesnil, Genus Urosporidium Caullery and Mesnil, Genus Anurosporidium Caullery and Chappellier, Genus Bertramia Caullery and Mesnil, Genus Ichthyosporidium Caullery and Mesnil, Genus Coelosporidium Mesnil and Marchoux

• Order 2 Sarcosporidia Balbiani

• Genus Sarcocystis Lankester

Subclass 3 Cnidosporidia Doflein

• Order 1 Myxosporidia Bütschli

• Suborder 1 Eurysporea Kudo

• Family 1 Ceratomyxidae Doflein

• Genus Ceratomyxa Thélohan, Genus Leptotheca Thélohan, Genus Myxoproteus Doflein, Genus Trilospora Noble

• Family 2 Wardiidae Kudo

• Genus Wardia Kudo, Genus Mitraspora Fujita

• Suborder 2 Sphaerosporea Kudo

• Family 1 Unicapsulidae Kudo

• Genus Unicapsula Davis

• Family 2 Sphaerosporidae Davis

• Genus Sphaerospora Thélohan, Genus Sinuolinea Davis

• Family 3 Chloromyxidae Thélohan

• Genus Chloromyxum Mingazzini, Genus Kudoa Meglitsch

• Suborder 3 Platysporea Kudo

• Family 1 Myxidiidae Thélohan

• Genus Myxidium Bütschli (Cystodiscus Lutz), Genus Sphaeromyxa Thélohan, Genus Zschokkella Auerbach

• Family 2 Coccomyxidae Léger and Hesse

• Genus Coccomyxa Léger and Hesse

• Family 3 Myxosomatidae Poche

• Genus Myxosoma Thélohan (Lentospora Plehn), Genus Agarella Dunkerly

• Family 4 Myxobolidae Thélohan

• Genus Myxobolus Bütschli, Genus Thelohanellus Kudo, Genus Henneguya Thélohan (Myxobilatus Davis), Genus Unicauda Davis

• Order 2 Actinomyxidia Stolc

• Family 1 Tetractinomyxidae Poche

• Genus Tetractinomyxon Ikeda

• Family 2 Triactinomyxidae

• Genus Triactinomyxon Stolc, Genus Sphaeractinomyxon Caullery and Mesnil, Genus Hexactinomyxon Stolc, Genus Synactinomyxon Stolc, Genus Neoactinomyxum Granata, Genus Guyenotia Naville

• Order 3 Microsporidia Balbiani

• Suborder 1 Monocnidea Léger and Hesse

• Family 1 Nosematidae Labbé

• Genus Nosema Nägeli, Genus Glugea Thélohan, Genus Perezia Léger and Duboscq, Genus Gurleya Doflein, Genus Thelohania Henneguy, Genus Stempellia Léger and Hesse, Genus Duboscqia Pérez, Genus Trichoduboscqia Léger, Genus Plistophora Gurley, Genus Pyrotheca Hesse

• Family 2 Coccosporidae Kudo

• Genus Coccospora Kudo (Cocconema Léger and Hesse)

• Family 3 Mrazekiidae Léger and Hesse

• Genus Mrazekia L. and H. (Myxocystis Mrazek), Genus Bacillidium Janda, Genus Cougourdella Hesse, Genus Octosporea Flu, Genus Spiroglugea Léger and Hesse, Genus Toxoglugea (Toxonema) Léger and Hesse

• Suborder 2 Dicnidea Léger and Hesse

• Family Telomyxidae Léger and Hesse

• Genus Telomyxa Léger and Hesse

• Order 4 Helicosporidia Kudo

• Genus Helicosporidium Keilin

Subphylum 2 Ciliophora Doflein

Class 1 Ciliata Perty

Subclass 1 Protociliata Metcalf

• Family Opalinidae Claus

• Genus Opalina Purkinje and Valentin, Genus Cepedea Metcalf, Genus Protoopalina Metcalf, Genus Zelleriella Metcalf

Subclass 2 Euciliata Metcalf

• Order 1 Holotricha Stein

• Suborder 1 Astomata Schewiakoff

• Family 1 Anoplophryidae Cépède

• Genus Anoplophrya Stein (Collinia Cépède), Genus Rhizocaryum Caullery and Mesnil, Genus Metaphrya Ikeda, Genus Perezella Cépède, Genus Dogielella Poljansky, Genus Orchitophrya Cépède, Genus Kofoidella Cépède, Genus Herpetophrya Siedlecki, Genus Bütschliella Awerinzew, Genus Spirobutschliella Hovasse, Genus Protanoplophrya Miyashita

• Family 2 Opalinopsidae Hartog

• Genus Opalinopsis Foettinger, Genus Chromidina Gonder (Benedenia Foettinger)

• Family 3 Haptophryidae Cépède

• Genus Haptophrya Stein, Genus Steinella Cépède, Genus Lachmannella Cépède, Genus Sieboldiellina Collin

• Family 4 Intoshellinidae Cépède

• Genus Intoshellina Cépède, Genus Monodontophrya Vejdowsky, Genus Maupasella Cépède, Genus Schultzellina Cépède, Genus Hoplitophrya Stein, Genus Radiophrya Rossolimo, Genus Metaradiophrya Heidenreich, Genus Protoradiophrya Rossolimo, Genus Mrazekiella Kijenskij, Genus Mesnilella Cépède

• Suborder 2 Gymnostomata Bütschli

• Tribe 1 Prostomata Schewiakoff

• Family 1 Spathidiidae Kahl

• Genus Spathidium Dujardin, Genus Paraspathidium Noland, Genus Spathidioides Brodsky (Spathidiella Kahl), Genus Enchelydium Kahl, Genus Homalozoon Stokes, Genus Cranotheridium Schewiakoff, Genus Penardiella Kahl, Genus Perispira Stein, Genus Legendrea Fauré-Fremiet, Genus Teuthophrys Chatton and Beauchamp

• Family 2 Metacystidae Kahl

• Genus Metacystis Cohn, Genus Vasicola Tatem (Pelamphora Lauterborn), Genus Pelatractus Kahl

• Family 3 Didiniidae Poche

• Genus Didinium Stein (Monodinium Fabre-Domergue), Genus Mesodinium Stein, Genus Askenasia Blochmann, Genus Cyclotrichium Meunier

• Family 4 Colepidae Claparède and Lachmann

• Genus Coleps Nitzsch, Genus Tiarina Bergh

• Family 5 Actinobolinidae Kent

• Genus Actinobolina Strand (Actinobolus Stein), Genus Dactylochlamys Lauterborn, Genus Enchelyomorpha Kahl

• Family 6 Holophryidae Schouteden

• Genus Holophrya Ehrenberg, Genus Lagynophrya Kahl, Genus Ichthyophthirius Fouquet, Genus Bursella Schmidt, Genus Spasmostoma Kahl, Genus Urotricha Claraparède and Lachmann (Balanitozoon Stokes), Genus Plagiocampa Schewiakoff, Genus Chilophrya Kahl, Genus Platyophrya Kahl, Genus Stephanopogon Entz, Genus Prorodon Ehrenberg (Rhagadostoma Kahl), Genus Pseudoprorodon Blochmann, Genus Coelosomides Anigstein (Coelosoma A.), Genus Placus Cohn (Spathidiopis Fabre-Domergue ; Thoracophrya Kahl), Genus Lacrymariav Ehrenberg, Genus Enchelys Hill, Genus Crobylura André, Genus Microregma Kahl, Genus Chaenea Quennerstedt, Genus Pithothorax Kahl, Genus Rhopalophrya Kahl, Genus Enchelyodon Claparède and Lachmann, Genus Trachelophyllum Claparède and Lachmann, Genus Ileonema Stokes (Monomastix Roux), Genus Trachelocerca Ehrenberg

• Family 7 Bütschliidae Poche

• Genus Bütschlia Schuberg, Genus Blepharoprosthium Bundle, Genus Didesmis Fiorentini, Genus Blepharosphaera Bundle, Genus Blepharoconus Gassovsky, Genus Bundleia da Cunha and Muniz, Genus Polymorpha Dogiel, Genus Holophryoides Gassovsky, Genus Blepharozoum Gassovsky, Genus Prorodonopsis Gassovsky, Genus Paraisotrichopsis Gassovsky, Genus Sulcoarcus Hsiung, Genus Alloiozona Hsiung, Genus Ampullacula Hsiung

• Tribe 2 Pleurostomata Schewiakoff

• Family 1 Amphileptidae Schouteden

• Genus Amphileptus Ehrenberg, Genus Lionotus Wrzesniowski (Hemiophrys W.), Genus Loxophyllum Dujardin (Opisthodon Stein), Genus Bryophyllum Kahl, Genus Centrophorella Kahl (Kentrophoros Sauerbrey)

• Family 2 Tracheliidae Kent

• Genus Trachelius Schrank, Genus Dileptus Dujardin, Genus Paradileptus Wenrich (Tentaculifera Sokoloff), Genus Branchioecetes Kahl

• Family 3 Loxodidae Bütschli

• Genus Loxodes Ehrenberg, Genus Remanella Kahl

• Tribe 3 Hypostomata Schewiakoff

• Family 1 Nassulidae Schouteden

• Genus Nassula Ehrenberg, Genus Paranassula Kahl, Genus Cyclogramma Perty, Genus Chilodontopsis Blochmann, Genus Eucamptocerca da Cunha, Genus Orthodon Gruber

• Family 2 Dysteriidae Kent

• Genus Dysteria Huxley (Ervilia Dujardin; Iduna, Aegyria Claparède and Lachmann; Cypridium Kent), Genus Trochilia Dujardin, Genus Trochilioides Kahl, Genus Hartmannula Poche (Onychodactylus Entz)

• Family 3 Chlamydodontidae Claus

• Genus Chlamydodon Ehrenberg, Genus Phascolodon Stein, Genus Cryptopharynx Kahl, Genus Chilodonella Strand (Chilodon Ehrenberg), Genus Allosphaerium Kidder and Summers

• Family 4 Pycnothricidae Poche

• Genus Pycnothrix Schubotz, Genus Nicollella Chatton and Pérard, Genus Collinella Chatton and Pérard, Genus Buxtonella Jameson, Genus Taliaferria Hegner and Rees

• Suborder 3 Trichostomata Bütschli

• Family 1 Marynidae Poche

• Genus Maryna Gruber, Genus Mycterothrix Lauterborn (Trichorhynchus Balbiani)

• Family 2 Trichopelmidae Kahl

• Genus Trichopelma Levander (Leptopharynx Mermod), Genus Pseudomicrothorax Mermod (Craspedothorax Sondheim), Genus Drepanomonas Fresenius (Drepanoceras Stein), Genus Microthorax Engelmann (Kreyella Kahl)

• Family 3 Trimyemidae Kahl

• Genus Trimyema Lackey (Sciadostoma Kahl)

• Family 4 Spirozonidae Kahl

• Genus Spirozona Kahl

• Family 5 Trichospiridae Kahl

• Genus Trichospira Roux

• Family 6 Plagiopylidae Schewiakoff

• Genus Plagiopyla Stein, Genus Lechriopyla Lynch, Genus Sonderia Kahl

• Family 7 Clathrostomidae Kahl

• Genus Clathrostoma Penard

• Family 8 Parameciidae Grobben

• Genus Paramecium Hill (Paramaecium Müller), Genus Physalophrya Kahl

• Family 9 Colpodidae Poche

• Genus Colpoda Müller, Genus Tillina Gruber, Genus Bresslaua Kahl, Genus Bryophrya Kahl, Genus Woodruffia Kahl

• Family 10 Entorhipidiidae Madsen

• Genus Entorhipidium Lynch, Genus Entodiscus Madsen, Genus Biggaria Kahl, Genus Anophrys Cohn

• Family 11 Paraisotrichidae da Cunha

• Genus Paraisotricha Fiorentini

• Family 12 Isotrichidae Bütschli

• Genus Isotricha Stein, Genus Dasytricha Schuberg

• Family 13 Cyathodiniidae da Cunha

• Genus Cyathodinium da Cunha

• Family 14 Blepharocoridae Hsiung

• Genus Blepharocorys Bundle, Genus Charon Jameson

• Family 15 Conidophryidae Mohr and LeVeque (Pilisuctoridae Chatton and Lwoff)

• Genus Conidophrys Chatton and Lwoff

• Suborder 4 Hymenostomata Delage and Herouard

• Family 1 Frontoniidae Kahl

• Genus Frontonia Ehrenberg, Genus Disematostoma Lauterborn, Genus Lembadion Perty, Genus Tetrahymena Furgason, Genus Leucophrys Ehrenberg, Genus Glaucoma Ehrenberg (Dallasia Stokes), Genus Colpidium Stein, Genus Paraglaucoma Kahl, Genus Malacophrys Kahl, Genus Espejoia Bürger (Balantiophorus Penard), Genus Cryptochilidium Schouteden (Cryptochilum Maupas), Genus Eurychilum André, Genus Monochilum Schewiakoff, Genus Dichilum Schewiakoff, Genus Loxocephalus Eberhard, Genus Balanonema Kahl, Genus Platynematum Kahl, Genus Saprophilus Stokes, Genus Cinetochilum Perty, Genus Dexiotrichides Kahl (Dexiotricha Stokes), Genus Cyrtolophosis Stokes, Genus Urocentrum Nitzsch, Genus Urozona Schewiakoff, Genus Uronema Dujardin, Genus Homalogastra Kahl, Genus Stokesia Wenrich

• Family 2 Ophryoglenidae Kent

• Genus Ophryoglena Ehrenberg, Genus Deltopylum Fauré-Fremiet and Mugard

• Family 3 Pleuronematidae Kent

• Genus Pleuronema Dujardin, Genus Cyclidium Müller, Genus Cristigera Roux, Genus Ctedoctema Stokes, Genus Calyptotricha Phillips, Genus Histiobalantium Stokes, Genus Pleurocoptes Wallengren

• Family 4 Cohnilembidae Kahl

• Genus Cohnilembus Kahl (Lembus Cohn)

• Family 5 Philasteridae Kahl

• Genus Philaster Fabre-Domergue (Philasterides Kahl), Genus Helicostoma Cohn

• Suborder 5 Thigmotricha Chatton and Lwoff

• Family 1 Conchophthiridae Reichenow

• Genus Conchophthirus Stein, Genus Myxophyllum Raabe

• Family 2 Thigmophryidae Chatton and Lwoff

• Genus Thigmophrya Chatton and Lwoff

• Family 3 Hemispeiridae König

• Genus Hemispeira Fabre-Domergue (Hemispeiropsis König), Genus Protophrya Kofoid (Isselina Cépède), Genus Ancistruma Strand (Ancistrum Maupas), Genus Eupoterion MacLennan and Connell, Genus Ancistrina Cheissin, Genus Cochliophilus Kozloff, Genus Ancistrella Cheissin, Genus Ancistrospira Chatton and Lwoff, Genus Boveria Stevens (Tiarella Cheissin), Genus Plagiospira Issel

• Family 4 Hysterocinetidae Diesing

• Genus Hysterocineta Diesing (Ladopsis Cheissen), Genus Ptychostomum Stein (Lada Vejdovsky)

• Family 5 Ancistrocomidae Chatton and Lwoff

• Genus Ancistrocoma C. and L. (Parachaenia Kofoid and Bush), Genus Hypocomagalma Jarocki and Raabe, Genus Syringopharynx Collin, Genus Goniocoma Chatton and Lwoff, Genus Holocoma Chatton and Lwoff, Genus Insignicoma Kozloff, Genus Raabella Chatton and Lwoff, Genus Crebricoma Kozloff, Genus Hypocomides Chatton and Lwoff, Genus Anisocomides Chatton and Lwoff, Genus Hypocomatidium Jarocki and Raabe, Genus Isocomides Chatton and Lwoff, Genus Hypocomina Chatton and Lwoff, Genus Heterocinetopsis Jarocki, Genus Hypocomella Chatton and Lwoff (Hypocomidium Raabe), Genus Enerthecoma Jarocki, Genus Cepedella Poyarkoff

• Family 6 Hypocomidae Bütschli

• Genus Hypocoma Grüber, Genus Heterocoma Chatton and Lwoff, Genus Parahypocoma Chatton and Lwoff

• Family 7 Sphenophryidae Chatton and Lwoff

• Genus Sphenophrya Chatton and Lwoff, Genus Pelecyophrya Chatton and Lwoff, Genus Gargarius Chatton and Lwoff

• Suborder 6 Apostomea Chatton and Lwoff

• Family Foettingeriidae Chatton

• Genus Foettingeria Caullery and Mesnil, Genus Spirophrya Chatton and Lwoff, Genus Gymnodinioides Minkiewicz (Physophaga Percy; Oospira Chatton and Lwoff), Genus Phoretrophrya Chatton and Lwoff, Genus Synophrya Chatton and Lwoff, Genus Ophiurespira Chatton and Lwoff, Genus Photorophrya Chatton and Lwoff, Genus Polyspira Minkiewicz, Genus Pericaryon Chatton, Genus Calospira Chatton and Lwoff, Genus Vampyrophrya Chatton and Lwoff, Genus Traumatiophtora Chatton and Lwoff, Genus Hyalospira Miyashita, Genus Cyrtocaryum Fauré-Fremiet and Mugard

• Order 2 Spirotricha Bütschli

• Suborder 1 Heterotricha Stein

• Family 1 Bursariidae Perty

• Genus Bursaria Müller, Genus Thylacidium Schewiakoff, Genus Bursaridium Lauterborn, Genus Balantidium Claparède and Lachmann (Balantidiopsis Bütschli; Balantiodoides Alexeieff)

• Family 2 Metopidae Kahl

• Genus Metopus Claparède and Lachmann, Genus Spirorhynchus da Cunha, Genus Caenomorpha Perty (Gyrocoris Stein)

• Family 3 Spirostomidae Kent

• Genus Spirostomum Ehrenberg, Genus Gruberia Kahl, Genus Blepharisma Perty, Genus Protocruzia Faria, da Cunha and Pinto, Genus Phacodinium Prowazek, Genus Pseudoblepharisma Kahl, Genus Parablepharisma Kahl, Genus Nyctotherus Leidy

• Family 4 Condylostomidae Kahl

• Genus Condylostoma Bory

• Family 5 Stentoridae Carus

• Genus Stentor Oken, Genus Fabrea Henneguy, Genus Climacostomum Stein

• Family 6 Folliculinidae Dons

• Genus Folliculina Lamarck, Genus Microfolliculina Dons, Genus Pseudofolliculina Dons, Genus Parafolliculina Dons

• Family 7 Clevelandellidae Kidder

• Genus Clevelandella Kidder (Clevelandia K.), Genus Paraclevelandia Kidder

• Family 8 Peritromidae Stein

• Genus Peritromus Stein

• Family 9 Licnophoridae Stevens

• Genus Licnophora Claparède

• Suborder 2 Oligotricha Bütschli

• Family 1 Halteriidae Claparède and Lachmann

• Genus Halteria Dujardin, Genus Strombidium Claparède and Lachmann, Genus Tontonia Fauré-Fremiet

• Family 2 Strobilidiidae Kahl

• Genus Strobilidium Schewiakoff

• Family 3 Tintinnidae Claparède and Lachmann

• Genus Tintinnidium Stein, Genus Strombidinopsis Kent, Genus Tintinnopsis Stein, Genus Codonella Haeckel

• Family 4 Ophryoscolecidae Stein

• Genus Ophryoscolex Stein, Genus Caloscolex Dogiel, Genus Entodinium Stein, Genus Amphacanthus Dogiel, Genus Eodinium Kofoid and MacLennan, Genus Diplodinium Schuberg, Genus Eremoplastron Kofoid and MacLennan, Genus Eudiplodinium Dogiel, Genus Diploplastron Kofoid and MacLennan, Genus Metadinium Awerinzew and Mutafowa, Genus Polyplastron Dogiel, Genus Elytroplastron Kofoid and MacLennan, Genus Ostracodinium Dogiel, Genus Enoploplastron Kofoid and MacLennan, Genus Epidinium Crawley, Genus Epiplastron Kofoid and MacLennan, Genus Ophisthotrichum Buisson, Genus Cunhaia Hasselmann

• Family 5 Cycloposthiidae Poche

• Genus Cycloposthium Bundle, Genus Spirodinium Fiorentini, Genus Triadinium Fiorentini, Genus Tetratoxum Gassovsky, Genus Tripalmaria Gassovsky (Tricaudalia Buisson), Genus Triplumaria Hoare, Genus Cochliatoxum Gassovsky, Genus Ditoxum Gassovsky, Genus Troglodytella Brumpt and Joyeux

• Suborder 3 Ctenostomata Lauterborn

• Family 1 Epalcidae Wetzel

• Genus Epalxis Roux, Genus Saprodinium Lauterborn, Genus Pelodinium Lauterborn

• Family 2 Discomorphidae Poche

• Genus Discomorpha Levander

• Family 3 Mylestomidae Kahl

• Genus Mylestoma Kahl, Genus Atopodinium Kahl

• Suborder 4 Hypotricha Stein

• Family 1 Oxytrichidae Kent

• Genus Oxytricha Ehrenberg (Histrio Sterki; Opisthotricha Kent; Steinia Diesing), Genus Tachysoma Stokes (Actinotricha Cohn), Genus Urosoma Kowalewski, Genus Amphisiella Gourret and Roeser, Genus Eschaneustyla Stokes, Genus Gonostomum Sterki (Plagiotricha Kent), Genus Hemicycliostyla Stokes, Genus Hypotrichidium Ilowaisky, Genus Cladotricha Gajevskaja, Genus Psilotricha Stein, Genus Kahlia Horvath, Genus Uroleptus Ehrenberg, Genus Uroleptopsis Kahl, Genus Strongylidium Sterki, Genus Stichotricha Perty, Genus Chaetospira Lachmann, Genus Urostyla Ehrenberg, Genus Kerona Ehrenberg, Genus Keronopsis Penard, Genus Epiclintes Stein, Genus Holosticha Wrzesniowski, Genus Paraholosticha Kahl, Genus Trichotaxis Stokes, Genus Balladyna Kowalewski, Genus Pleurotricha Stein, Genus Gastrostyla Engelmann, Genus Stylonychia Ehrenberg, Genus Onychodromus Stein, Genus Onychodromopsis Stokes

• Family 2 Euplotidae Claus

• Genus Euplotes Ehrenberg, Genus Euplotidium Noland, Genus Certesia Fabre-Domergue, Genus Diophrys Dujardin, Genus Uronychia Stein, Genus Gastrocirrhus Lepsi

• Family 3 Paraeuplotidae Wichterman

• Genus Paraeuplotes Wichterman, Genus Euplotaspis Chatton and Seguela

• Family 4 Aspidiscidae Claus

• Genus Aspidisca Ehrenberg

• Order 3 Chonotricha Wallengren

• Family Spirochonidae Stein

• Genus Spirochona Stein, Genus Stylochona Kent, Genus Kentrochona Rompel (Kentrochonopsis Doflein), Genus Trichochona Mohr, Genus Heliochona Plate, Genus Chilodochona Wallengren

• Order 4 Peritricha Stein

• Suborder 1 Sessilia Kahl

• Tribe 1 Aloricata Kahl

• Family 1 Astylozoonidae Kahl

• Genus Astylozoon Engelmann (Geleiella Stiller), Genus Hastatella Erlanger, Genus Opisthonecta Fauré-Fremiet

• Family 2 Ophrydiidae Kent

• Genus Ophrydium Ehrenberg (Gerda Claparède and Lachmann)

• Family 3 Scyphidiidae Kahl

• Genus Scyphidia Dujardin, Genus Paravorticella Kahl, Genus Glossatella Bütschli, Genus Ellobiophrya Chatton and Lwoff

• Family 4 Epistylidae Kent

• Genus Epistylis Ehrenberg, Genus Rhabdostyla Kent, Genus Opisthostyla Stokes, Genus Campanella Goldfuss, Genus Pyxidium Kent, Genus Opercularia Stein, Genus Operculariella Stammer

• Family 5 Vorticellidae Fromental

• Genus Vorticella Linnaeus, Genus Carchesium Ehrenberg, Genus Zoothamnium Bory

• Tribe 2 Loricata Kahl

• Family 1 Vaginicolidae Kent

• Genus Vaginicola Lamarck, Genus Cothurnia Ehrenberg, Genus Thuricola Kent, Genus Thuricolopsis Stokes, Genus Caulicola Stokes, Genus Pyxicola Kent, Genus Platycola Kent

• Family 2 Lagenophryidae Bütschli

• Genus Lagenophrys Stein

• Suborder 2 Mobilia Kahl

• Family Urceolariidae Stein

• Genus Urceolaria Lamarck, Genus Trichodina Ehrenberg, Genus Cyclochaeta Jackson

Class 2 Suctoria Claparède and Lachmann

• Family 1 Dendrosomidae Bütschli

• Genus Dendrosoma Ehrenberg, Genus Trichophrya Claparède and Lachmann (Platophrya Gonnërt), Genus Erastophrya Fauré-Fremiet, Genus Astrophrya Awerinzew, Genus Lernaeophrya Pérez, Genus Dendrosomides Collin, Genus Rhabdophrya Chatton and Collin, Genus Staurophrya Zacharias

• Family 2 Ophryodendridae Stein

• Genus Ophryodendron Claparède and Lachmann

• Family 3 Dendrocometidae Stein

• Genus Dendrocometes Stein, Genus Stylocometes Stein, Genus Dendrocometides Swarczewsky, Genus Discosoma S., Genus Cometodendron S.

• Family 4 Podophryidae Bütschli

• Genus Podophrya Ehrenberg, Genus Parapodophrya Kahl, Genus Sphaerophrya Claparède and Lachmann, Genus Paracineta Collin, Genus Metacineta Bütschli, Genus Urnula Claparède and Lachmann, Genus Lecanophrya Kahl, Genus Ophryocephalus Wailes

• Family 5 Acinetidae Bütschli

• Genus Acineta Ehrenberg, Genus Tokophrya Bütschli, Genus Thecacineta Collin, Genus Periacineta Collin, Genus Hallezia Sand, Genus Solenophrya Claparède and Lachmann, Genus Acinetopsis Robin, Genus Tachyblaston Martin, Genus Dactylophrya Collin, Genus Pseudogemma Collin, Genus Endosphaera Engelmann, Genus Allantosoma Gassovsky, Genus Anarma Goodrich and Jahn, Genus Squalorophrya Goodrich and Jahn, Genus Multifasciculatum Goodrich and Jahn

• Family 6 Discophryidae Collin

• Genus Discophrya Lachmann, Genus Thaumatophrya Collin, Genus Rhynchophrya Collin, Genus Choanophrya Hartog, Genus Rhyncheta Zenker

• Family 7 Ephelotidae Sand

• Genus Ephelota Wright, Genus Podocyathus Kent

References

1. Kudo, R.R. (1954). Protozoology (4th ed.). Springfield, Illinois: C.C. Thomas. Available online at "archive.org".