恙蟎目
分類

根據2004年時的分類，本目包括有125個科，超過2.2萬個品種；在2011年的最新資料，本目現時包括有151個科，2235個屬及25,821個物種，另外還有10個屬24個物種是化石種。這151個科可以大致分為以下四個亞目：
跳螨亚目 Sphaerolichida OConnor, 1984：下領兩個總科
前气门亚目（Prostigmata Kramer, 1877）：本目最龐大的分支，下領四個下目、40個總科。
内气门亚目 Endeostigmata Reuter, 1909：下領五個總科、十個科、27個屬和108個物種，包括一些原屬疥蟎亞目但在甲蟎亞目及無氣門小目以外的物種。
甲蟎亞目（Oribatida van der Hammen, 1968）：又名隱氣門亞目（Cryptostigmata），下領五個下目，舊屬疥蟎目（Sarcoptiformes）。
本目包括以下科：
Acalyptonotidae
Acarophenacidae
Achaemenothrombiidae
Acherontacaridae
Acucapitidae
Adamystidae
Allochaetophoridae
Allotanaupodidae
Amoenacaridae
Amoenacarus Smith & Cook, 1997
Amoenacarus dixiensis
Amphotrombiidae
Amphotrombium Zhang, 1998
Anisitsiellidae
Anystidae
Apheviderulicidae
Arenohydracaridae
Arrenuridae
Astacocrotonidae
Athienemannidae
Athienemanniidae
Africasia K.Viets, 1931
Anamundamella Cook, 1992
Athienemannia Viets, 1920
Bleptomundamella Cook, 2001
Chelohydracarus Smith, 1998
Chelohydracarus navarrensis
Chelomideopsis Romijn, 1920
Davecookia Harvey, 2003
Janszoonia Smit, 2007
Mellamunda Harvey, 1988
Mundamella Viets, 1913
Notomundamella Cook, 1986
Penemundamella Cook, 2001
Phreatohydracarus Tanasachi & Orghidan, 1955
Platyhydracarus Smith, 1989
Plaumannia Lundblad, 1936
Stygameracarus Smith, 1990
Stygohydracarus K.H.Viets, 1932
Athyreacaridae
Aturidae
Audyanidae
Audyana Womersley, 1954
Axonopsidae
Bandakiopsidae
Barbutiidae
Bdellidae
Bdella Latreille, 1795
Bdellodes Oudemans, 1937
Biscirus Thor, 1913
Biscuris
Caenobdella Oudemans, 1936
Cyta von Heyden
Hexabdella Van
Hexabdella Van der Schyff, Theron & Ueckermann, 2004
Hexabdella brevitarsus Hernandes, 2012
Hexabdella cinquaginta Hernandes, Daud & Feres, 2007
Hexabdella denheyeri Van der Schyff, Theron & Ueckermann, 2004
Hexabdella maraugia Van der Schyff, Theron & Ueckermann, 2004
Hexabdella mexicana (Baker & Balock, 1944)
Hexabdella miranda Van der Schyff, Theron & Ueckermann, 2004
Hexabdella persiaensis Paktinat Saeej & Bagheri, 2014
Hexabdella quercusi Eghbalian, Khanjani, Safaralizadeh & Ueckermann
Hexabdella singula Van der Schyff, Theron & Ueckermann, 2004
Hexabdella unusoculata Van der Schyff, Theron & Ueckermann, 2004
Hoplomolgus Berlese
Molgus Dujardin, 1842
Monotrichobdella Baker & Balock, 1944
Neobiscirus Gomelauri, 1963
Neomolgus Oudemans, 1937
Octobdellodes Atyeo, 1960
Odontoscirus Thor, 1913
Polytrichus van Der Schyff, Theron & Ueckermann
Rigibdella Tseng, 1978
Spinibdella Thor, 1930
Tetrabdella Hernandes & Feres, 2006
Trachymolgus Berlese, 1924
Troglobdella Oudemans, 1938
Bogatiidae
Caeculidae
Caligonellidae
Calyptostomatidae
Camerobiidae
Caraboacaridae
Chappuisididae
Cheyletidae
Cheyletiellidae
Chulacaridae
Chyzeriidae
Cloacaridae
Cocceupodidae
Crotalomorphidae
Cryptognathidae
Cryptognathiidae
Ctenothyadidae
Cunaxidae
Dasythyreidae
Demodecidae
Dendrochaetidae
Diptilomiopidae
Dolichocybidae
Edbakerellidae
Epimyodicidae
Ereynetidae
Eriophyidae
Eriorhynchidae
Erythracaridae
赤螨科 Erythraeidae
Eupalopsellidae
Eupalopsellus Sellnick, 1949
Eupalopsis Canestrini, 1886
Exothorhis Summers, 1960
Peltasellus Smith-Meyer & Ueckermann, 1984
Saniosulus Summers, 1960
Eupodidae
Aethosolenia Baker & Lindquist, 2002
Benoinyssus Fain, 1958
Caleupodes Baker, 1987
Claveupodes Strandtmann & Prasse, 1976
Cocceupodes Thor, 1934
Eupodes Koch, 1835
Hawaiieupodes Strandtmann & Goff, 1978
Hylotydeus Berlese, 1891
Linopodes C.L.Koch, 1835
Neoprotereunetes Fain & Camerik, 1994
Niveupodes Barilo, 1991
Palaeotydeus Dubinin, 1962
Protacarus Hirst, 1923
Protereunetes Berlese, 1923
Pseudoeupodes Khaustov, 2014
Pseudoprotacarus Dubinin, 1962
Eutrombidiidae
Eylaidae
Feltridae
Feltriidae
Ferradasiidae
Frontipodopsidae
Gretacaridae
Halacaridae
Harpagopalpidae
Harpirhynchidae
Harpyrhynchidae
Heterocheyletidae
Heterocheylidae
Homocaligidae
Hungarohydracaridae
Hydrachnidae
Hydrodromidae
Hydrovolziidae
Hydryphantidae
Hygrobatidae
Iolinidae
Johnstonianidae
Kantacaridae
Krendowskiidae
Labidostommatidae
Labidostommidae
Laversiidae
Lebertiidae
Leeuwenhoekiidae
Lethaxonidae
Limnesiidae
Limnocharidae
Linotetranidae
Lordalycidae
Malgasacaridae
Mecognathidae
Meyerellidae
Microdispidae
Microtrombidiidae
Mideidae
Mideopsidae
Momoniidae
肉螨科 Myobiidae
Nasutiacaridae
Neoacaridae
Neopygmephoridae
Neothrombiidae
Neotrombidiidae
Nipponacaridae
Nudomideopsidae
Omartacaridae
Oxidae
Paratydeidae
Hexatydeus Soliman, 1974
Paratydeus Baker, 1949
Scolotydaeus Berlese, 1910
Scolotydaeus alexanderi (Baker, 1949) Khaustov, 2017
Scolotydaeus anatolicus
Scolotydaeus lootsi (Theron et al., 1969) Khaustov, 2017
Scolotydaeus tauricus (Kuznetsov, 1973) Khaustov, 2017
Scolotydaeus uralensis Khaustov, 2017
Scolotydeus Berlese, 1910
Tanytydeus Theron, Meyer & Ryke, 1970
Pentapalpidae
Penthaleidae
Penthalodidae
Pezidae
Phytoptidae
Piersigiidae
Pionidae
Podapolipidae
Archipolipus Husband, 1971
Bakerpolipus Husband & Sinha, 1970
Blaberpolipus Husband & OConnor, 2003
Buprestapolipus Husband, Ochoa & Naskrecki, 1995
Cassidopolipus Husband & OConnor, 2014
Chrysomelobia Regenfuss, 1968
Coccipolipus Husband, 1972
Coccipolipus hippodamiae (McDaniel & Moril, 1969)
Coccipolipus macfarlanei Husband, 1972
Curculapolipus Husband & Kurosa, 2000
Cydnipolipus Kurosa & Husband, 1994
Dilopolipus Husband, 1984
Dorsipes Regenfuss, 1968
Eutarsopolipus Berlese, 1913
Kurosapolipus Husband & Li, 1993
Locustacarus Ewing, 1924
Locustipolipus Lo, 1990
Orthapolipus Husband & Li, 1993
Ovacarus Stannard & Vaishampayan, 1971
Panesthipolipus Husband, 1984
Parobia Seeman & Nahrung, 2003
Peripolipus Husband, 1984
Podapolipoides Regenfuss, 1968
Podapolipus Rovelli & Grassi, 1888
Regenopolipus Husband, 1986
Rhinopolipus Husband & Kurosa, 2000
Rhynchopolipus Husband & Flechtmann, 1972
Scarabapolipus Husband & Kurosa, 1993
Silphopolipus Kurosa, Khaustov & Husband, 2004
Simalurapolipus Kurosa & Husband, 2013
Stenopolipus Husband, 1984
Stigmacarus Feldman-Muhsam & Havivi, 1977
Tarsopolipus Berlese, 1911
Tenebrapolipus Kurosa & Husband, 2001
Tetrapolipus Berlese, 1911
Wetapolipus Husband & Zhang, 2002
Podothrombiidae
Pomerantziidae
Pontarachnidae
Protziidae
Pseudocheylidae
Psorergatidae
Pterygosomatidae
Pyemotidae
Pygmephoridae
Raphignathidae
Resinacaridae
Rhagidiidae
Rhynchohydracaridae
Rutripalpidae
Scutacaridae
Siteroptidae
Smarididae
Smaridiidae
Sperchontidae
Sphaerolichidae
长须螨科 Stigmaeidae
Stigmocheylidae
Strandtmanniidae
Stygothrombidiidae
Stygothrombiidae
Stygotoniidae
Syringophilidae
Tanaupodidae
Tarsocheylidae
Tarsonemidae
Teneriffiidae
Tenuipalpidae
Teratothyadidae
Teratothyasidae
Tetranychidae
Teutoniidae
Thermacaridae
Torrenticolidae
Triasacaridae
Triophtydeidae
Trochometridiidae
Trombellidae
恙蟎科 Trombiculidae
Trombidiidae
杜克螨科 Tuckerellidae
杜克螨属 Tuckerella Womersley, 1940
Tydeidae
Uchidastygacaridae
Unionicolidae
Wettinidae
Xenocaligonellididae
Yurebillidae
Zelandothyadidae
Australiothyas Cook, 1986
Zelandothyas Cook, 1985
Amblyceropsis Kumar, 2004
Megameropsis Gourret, 1887
Megameropsis aquensis Gourret, 1887
Pseudopachygnathus Gourret, 1887
Pseudopachygnathus maculatus Gourret, 1887