| Acalyptonotidae Walter, 1911 | | 1 | Art | Taxom |
| Acaridae Latreille, 1802 | Vorratsmilben | 47 | Arten | Taxom |
| Acarophenacidae Cross, 1965 | | 5 | Arten | Taxom |
| Achipteriidae Thor, 1929 | | 9 | Arten | Taxom |
| Adamystidae Cunliffe, 1957 | | 2 | Arten | Taxom |
| Aeroglyphidae Zakhvatkin, 1941 | | 0 | Arten | Taxom |
| Algophagidae Fain, 1974 | | 7 | Arten | Taxom |
| Alicorhagiidae Grandjean, 1939 | | 1 | Art | Taxom |
| Alloptidae Gaud, 1957 | | 9 | Arten | Taxom |
| Alycidae Canestrini &..., 1877 | | 3 | Arten | Taxom |
| Amblyommidae Banks, 1907 | | 63 | Arten | Taxom |
| Ameridae Grandjean, 1965 | | 1 | Art | Taxom |
| Ameronothridae Willmann, 1931 | | 5 | Arten | Taxom |
| Ameroseiidae Evans, 1961 | | 7 | Arten | Taxom |
| Ametroproctidae Subías, 2004 | | 1 | Art | Taxom |
| Analgidae Trouessart &..., 1884 | | 5 | Arten | Taxom |
| Anderemaeidae Balogh, 1972 | | 1 | Art | Taxom |
| Anisitsiellidae Koenike, 1910 | | 5 | Arten | Taxom |
| Antennophoridae Berlese, 1892 | | 1 | Art | Taxom |
| Anystidae Oudemans, 1936 | | 5 | Arten | Taxom |
| Apheviderulicidae Gerecke, Smi..., 1999 | | 1 | Art | Taxom |
| Apionacaridae Gaud & Atyeo, 1977 | | 1 | Art | Taxom |
| Arctacaridae Evans, 1955 | | 2 | Arten | Taxom |
| Arenohydracaridae Cook, 1974 | | 1 | Art | Taxom |
| Argasidae C. L. Koch, 1844 | Lederzecken | 53 | Arten | Taxom |
| Arrenuridae Thor, 1900 | | 102 | Arten | Taxom |
| Ascidae Oudemans, 1905 | | 30 | Arten | Taxom |
| Ascouracaridae Gaud & Atyeo, 1976 | | 3 | Arten | Taxom |
| Astegistidae Balogh, 1961 | | 3 | Arten | Taxom |
| Athienemanniidae Viets, 1922 | | 5 | Arten | Taxom |
| Athyreacaridae Lindquist, K..., 1990 | | 0 | Arten | Taxom |
| Atopomelidae Fain, 1972 | | 3 | Arten | Taxom |
| Aturidae Thor, 1900 | | 78 | Arten | Taxom |
| Audycoptidae (Lavoipierre, 1964) | | 2 | Arten | Taxom |
| Autognetidae Grandjean, 1960 | | 1 | Art | Taxom |
| Avenzoariidae Oudemans, 1905 | | 12 | Arten | Taxom |
| Barbutiidae Robaux, 1975 | | 1 | Art | Taxom |
| Bdellidae Dugès, 1834 | Schnabelmilben | 23 | Arten | Taxom |
| Belbidae (Willmann, 1931) | | 1 | Art | Taxom |
| Blattisociidae (Garman, 1948) | | 29 | Arten | Taxom |
| Bogatiidae Motas & Tana..., 1948 | | 1 | Art | Taxom |
| Brachychthoniidae Thor, 1934 | | 16 | Arten | Taxom |
| Caeculidae Berlese, 1883 | | 4 | Arten | Taxom |
| Caleremaeidae Grandjean, 1965 | | 3 | Arten | Taxom |
| Caligonellidae Grandjean, 1944 | | 8 | Arten | Taxom |
| Calyptostomatidae Oudemans, 1923 | | 0 | Arten | Taxom |
| Camerobiidae Southcott, 1957 | | 29 | Arten | Taxom |
| Camisiidae Oudemans, 1900 | | 5 | Arten | Taxom |
| Canestriniidae Berlese, 1884 | | 1 | Art | Taxom |
| Caraboacaridae Mahunka, 1970 | | 1 | Art | Taxom |
| Carabodidae Koch, 1837 | | 32 | Arten | Taxom |
| Carpoglyphidae Oudemans, 1923 | | 2 | Arten | Taxom |
| Celaenopsidae Berlese, 1892 | | 4 | Arten | Taxom |
| Cepheidae (Berlese, 1896) | | 1 | Art | Taxom |
| Cepheusidae Berlese, 1896 | | 9 | Arten | Taxom |
| Ceratoppiidae (Kunst, 1971) | | 7 | Arten | Taxom |
| Ceratozetidae Jacot, 1925 | | 39 | Arten | Taxom |
| Cercomegistidae Trägårdh, 1937 | | 2 | Arten | Taxom |
| Ceresellidae P. G. Pavlit..., 1993 | | 1 | Art | Taxom |
| Chaetodactylidae Zakhvatkin, 1941 | | 2 | Arten | Taxom |
| Chamobatidae Thor, 1937 | | 4 | Arten | Taxom |
| Chappuisididae Motas & Tana..., 1946 | | 6 | Arten | Taxom |
| Chapuisididae | | 5 | Arten | Taxom |
| Cheylabididae Gaud, 1983 | | 1 | Art | Taxom |
| Cheyletidae Leach, 1815 | Raubmilben | 115 | Arten | Taxom |
| Chirodiscidae Trouessart, 1892 | | 1 | Art | Taxom |
| Chortoglyphidae Berlese, 1897 | | 4 | Arten | Taxom |
| Chyzeriidae Womersley, 1954 | | 0 | Arten | Taxom |
| Cloacaridae Camin, Moss,..., 1967 | | 7 | Arten | Taxom |
| Cocceupodidae Jesionowska, 2010 | | 4 | Arten | Taxom |
| Collohmanniidae Grandjean, 1958 | | 0 | Arten | Taxom |
| Cosmochthoniidae Grandjean, 1946 | | 3 | Arten | Taxom |
| Crotalomorphidae Lindquist & ..., 2002 | | 1 | Art | Taxom |
| Crotoniidae Thorell, 1876 | | 18 | Arten | Taxom |
| Cryptognathidae Luxton, 1973 | | 15 | Arten | Taxom |
| Ctenacaridae Grandjean, 1954 | | 2 | Arten | Taxom |
| Cunaxidae Thor, 1902 | | 19 | Arten | Taxom |
| Cymbaeremaeidae Sellnick, 1928 | | 0 | Arten | Taxom |
| Cytoditidae Oudemans, 1908 | | 0 | Arten | Taxom |
| Damaeidae Berlese, 1896 | | 41 | Arten | Taxom |
| Dasythyreidae Walter & Gerson, 1998 | | 2 | Arten | Taxom |
| Demodecidae Nicolet, 1855 | | 27 | Arten | Taxom |
| Dermanyssidae Kolenati, 1859 | | 12 | Arten | Taxom |
| Dermationidae Fain, 1965 | | 2 | Arten | Taxom |
| Dermoglyphidae Mégnin & Tro..., 1884 | | 2 | Arten | Taxom |
| Devonacaridae Norton, 1988 | | 1 | Art | Taxom |
| Diarthrophallidae Trägårdh, 1946 | | 1 | Art | Taxom |
| Digamasellidae Evans, 1957 | | 21 | Arten | Taxom |
| Dinychidae Berlese, 1916 | | 2 | Arten | Taxom |
| Diplogyniidae Trägårdh, 1941 | | 1 | Art | Taxom |
| Diptilomiopidae Boczek, 1964 | | 9 | Arten | Taxom |
| Dolichocybidae Mahunka, 1970 | | 1 | Art | Taxom |
| Echimyopodidae Fain, 1967 | | 0 | Arten | Taxom |
| Elliptochthoniidae Norton, 1975 | | 1 | Art | Taxom |
| Eniochthoniidae Grandjean, 1947 | | 2 | Arten | Taxom |
| Entonyssidae Ewing, 1922 | | 1 | Art | Taxom |
| Epicriidae Berlese, 1885 | | 0 | Arten | Taxom |
| Epidermoptidae Trouessart, 1892 | | 10 | Arten | Taxom |
| Epilohmanniidae Oudemans, 1923 | | 6 | Arten | Taxom |
| Epimyodicidae Fain, Lukosc..., 1982 | | 2 | Arten | Taxom |
| Eremaeidae Oudemans, 1900 | | 32 | Arten | Taxom |
| Eremobelbidae Balogh, 1961 | | 0 | Arten | Taxom |
| Eremulidae Grandjean, 1965 | | 1 | Art | Taxom |
| Ereynetidae Schrank, 1776 | | 18 | Arten | Taxom |
| Eriophyidae Nalepa, 1898 | Gallmilben | 163 | Arten | Taxom |
| Erythracaridae (Oudemans, 1936) | | 1 | Art | Taxom |
| Erythraeidae Oudemans, 1902 | | 38 | Arten | Taxom |
| Euglycyphagidae Fain & Philips, 1977 | | 1 | Art | Taxom |
| Eulohmanniidae Grandjean, 1931 | | 1 | Art | Taxom |
| Eupalopsellidae Willmann, 1952 | | 3 | Arten | Taxom |
| Euphthiracaridae Jacot, 1930 | | 22 | Arten | Taxom |
| Eupodidae Strandtmann, 1967 | Laufmilben | 8 | Arten | Taxom |
| Euzerconidae Trägårdh, 1938 | | 1 | Art | Taxom |
| Eviphididae Berlese, 1913 | | 9 | Arten | Taxom |
| Eylaidae Leach, 1815 | | 23 | Arten | Taxom |
| Falculiferidae Oudemans, 1905 | | 1 | Art | Taxom |
| Fedrizziidae Trägårdh, 1937 | | 1 | Art | Taxom |
| Feltriidae Viets, 1926 | | 29 | Arten | Taxom |
| Freyanidae Dubinin, 1953 | | 2 | Arten | Taxom |
| Frontipodopsidae Viets, 1931 | | 1 | Art | Taxom |
| Gabuciniidae Gaud & Atyeo, 1975 | | 2 | Arten | Taxom |
| Galumnidae Jacot, 1925 | | 24 | Arten | Taxom |
| Gastronyssidae Fain, 1956 | | 2 | Arten | Taxom |
| Gaudiellidae Atyeo, Baker..., 1974 | | 1 | Art | Taxom |
| Gaudoglyphidae (W.A. Bruce &..., 1976) | | 1 | Art | Taxom |
| Gehypochthoniidae Strenzke, 1963 | | 0 | Arten | Taxom |
| Glycyphagidae De Geer, 1778 | | 33 | Arten | Taxom |
| Guanolichidae Fain, 1968 | | 1 | Art | Taxom |
| Gymnodamaeidae Grandjean, 1954 | | 15 | Arten | Taxom |
| Haemogamasidae Oudemans, 1939 | | 0 | Arten | Taxom |
| Halacaridae Murray, 1877 | Meeresmilben | 52 | Arten | Taxom |
| Halarachnidae Oudemans, 1906 | | 7 | Arten | Taxom |
| Halolaelapidae Karg, 1965 | | 5 | Arten | Taxom |
| Haplochthoniidae Van der Hammen, 1959 | | 1 | Art | Taxom |
| Haplozetidae Grandjean, 1936 | | 6 | Arten | Taxom |
| Harpirhynchidae Dubinin, 1957 | | 55 | Arten | Taxom |
| Hemileiidae (J. & P. Balogh, 1984) | | 1 | Art | Taxom |
| Hemisarcoptidae Oudemans, 1904 | | 2 | Arten | Taxom |
| Hermanniidae Sellnick, 1928 | | 7 | Arten | Taxom |
| Heterocheylidae Trägårdh, 1950 | | 1 | Art | Taxom |
| Heterozerconidae Berlese, 1892 | | 1 | Art | Taxom |
| Histiostomatidae Berlese, 1897 | | 26 | Arten | Taxom |
| Homocaligidae Wood, 1969 | | 1 | Art | Taxom |
| Humerobatidae Grandjean, 1970 | | 7 | Arten | Taxom |
| Hungarobelbidae (Miko & Travé, 1996) | | 1 | Art | Taxom |
| Hyadesiidae Halbert, 1915 | | 9 | Arten | Taxom |
| Hydrachnidae Leach, 1815 | | 20 | Arten | Taxom |
| Hydrodromidae Viets, 1936 | | 1 | Art | Taxom |
| Hydrovolziidae Thor, 1905 | | 2 | Arten | Taxom |
| Hydrozetidae Grandjean, 1954 | | 2 | Arten | Taxom |
| Hydryphantidae Piersig, 1896 | | 35 | Arten | Taxom |
| Hygrobatidae Koch, 1842 | | 26 | Arten | Taxom |
| Hypochthoniidae Berlese, 1910 | | 6 | Arten | Taxom |
| Hypoderatidae (Murray, 1877) | | 9 | Arten | Taxom |
| Hypoderidae Murray, 1877 | | 8 | Arten | Taxom |
| Ichthyostomatogasteridae (Sellnick, 1953) | | 0 | Arten | Taxom |
| Iolinidae Pritchard, 1956 | | 5 | Arten | Taxom |
| Ixodidae C. L. Koch, 1844 | Holzböcke | 56 | Arten | Taxom |
| Ixodorhynchidae Ewing, 1923 | | 5 | Arten | Taxom |
| Johnstonianidae Thor, 1935 | | 2 | Arten | Taxom |
| Knemidokoptidae (Lavoipierre ..., 1951) | | 3 | Arten | Taxom |
| Kodiakellidae Hammer, 1967 | | 1 | Art | Taxom |
| Kramerellidae Gaud & Mouchet, 1961 | | 1 | Art | Taxom |
| Krendowskiidae Viets, 1926 | | 3 | Arten | Taxom |
| Kytoditidae (Oudemans, 1908) | | 0 | Arten | Taxom |
| Labidostommatidae Oudemans, 1904 | | 1 | Art | Taxom |
| Laelapidae Berlese, 1892 | | 89 | Arten | Taxom |
| Laelaptidae (Berlese, 1892) | | 1 | Art | Taxom |
| Laelaptonyssidae Womersley, 1956 | | 1 | Art | Taxom |
| Laminosioptidae Vitzthum, 1931 | | 3 | Arten | Taxom |
| Lardoglyphidae Oudemans, 1927 | | 4 | Arten | Taxom |
| Laversiidae Cook, 1955 | | 1 | Art | Taxom |
| Lebertiidae Thor, 1900 | | 4 | Arten | Taxom |
| Leeuwenhoekiidae Womersley, 1944 | | 3 | Arten | Taxom |
| Leptolaelapidae Karg, 1978 | | 2 | Arten | Taxom |
| Liacaridae Sellnick, 1928 | | 13 | Arten | Taxom |
| Licnodamaeidae (Grandjean, 1954) | | 1 | Art | Taxom |
| Liebstadiidae J. & P. Balogh, 1984 | | 1 | Art | Taxom |
| Limnesiidae Thor, 1900 | | 39 | Arten | Taxom |
| Limnocharidae Grube, 1859 | | 2 | Arten | Taxom |
| Limnozetidae Thor, 1937 | | 3 | Arten | Taxom |
| Linotetranidae Baker & Prit..., 1953 | | 1 | Art | Taxom |
| Liodidae Grandjean, 1954 | | 1 | Art | Taxom |
| Listrophoridae Mégnin & Tro..., 1884 | | 60 | Arten | Taxom |
| Lohmanniidae Berlese, 1916 | | 6 | Arten | Taxom |
| Lordalychidae Grandjean, 1939 | | 0 | Arten | Taxom |
| Macrochelidae Vitzthum, 1930 | | 45 | Arten | Taxom |
| Macronyssidae Oudemans, 1936 | | 17 | Arten | Taxom |
| Malaconothridae Berlese, 1916 | | 6 | Arten | Taxom |
| Mecognathidae Gerson & Walter, 1998 | | 1 | Art | Taxom |
| Megalolaelapidae | | 0 | Arten | Taxom |
| Megisthanidae Berlese, 1914 | | 1 | Art | Taxom |
| Melicharidae (Hirschmann, 1962) | | 28 | Arten | Taxom |
| Mesoplophoridae Ewing, 1917 | | 7 | Arten | Taxom |
| Metagynuridae Baker & Wharton, 1952 | | 2 | Arten | Taxom |
| Microdispidae Cross, 1965 | | 1 | Art | Taxom |
| Microgyniidae Trägårdh, 1942 | | 1 | Art | Taxom |
| Micropsammidae Coineau & Th..., 1983 | | 0 | Arten | Taxom |
| Microtrombidiidae Womersley, 1936 | | 13 | Arten | Taxom |
| Microzetidae Grandjean, 1936 | | 2 | Arten | Taxom |
| Mideidae Thor, 1911 | | 2 | Arten | Taxom |
| Mideopsidae Koenike, 1910 | | 20 | Arten | Taxom |
| Mochlozetidae Grandjean, 1960 | | 4 | Arten | Taxom |
| Momoniidae Viets, 1926 | | 13 | Arten | Taxom |
| Myobiidae Megnin, 1877 | | 36 | Arten | Taxom |
| Myocoptidae Gunther, 1942 | | 7 | Arten | Taxom |
| Nanhermanniidae Sellnick, 1928 | | 3 | Arten | Taxom |
| Nanorchestidae Luxton, 1984 | | 6 | Arten | Taxom |
| Nehypochthoniidae Norton & Metz, 1980 | | 1 | Art | Taxom |
| Nematalycidae Strenzke, 1954 | | 1 | Art | Taxom |
| Neoacaridae (Motas & Tana..., 1947) | | 10 | Arten | Taxom |
| Neoliodidae (Sellnick, 1928) | | 3 | Arten | Taxom |
| Neopygmephoridae Cross, 1965 | | 3 | Arten | Taxom |
| Neothrombiidae Feider, 1959 | | 1 | Art | Taxom |
| Nosybelbidae Mahunka, 1994 | | 21 | Arten | Taxom |
| Nothridae Berlese, 1896 | | 13 | Arten | Taxom |
| Oehserchestidae Kethley, 1977 | | 1 | Art | Taxom |
| Ologamasidae Ryke, 1962 | | 17 | Arten | Taxom |
| Omartacaridae Cook, 1963 | | 1 | Art | Taxom |
| Opilioacaridae With, 1902 | | 2 | Arten | Taxom |
| Oplitidae Johnston, 1968 | | 3 | Arten | Taxom |
| Oppiidae Sellnick, 1937 | | 25 | Arten | Taxom |
| Oribatellidae Jacot, 1925 | | 22 | Arten | Taxom |
| Oribatidae | | 0 | Arten | Taxom |
| Oribatulidae Thor, 1929 | | 31 | Arten | Taxom |
| Oribellidae (Kunst, 1971) | | 6 | Arten | Taxom |
| Oribotritiidae Grandjean, 1954 | | 17 | Arten | Taxom |
| Oripodidae Jacot, 1925 | | 1 | Art | Taxom |
| Otocepheidae Balogh, 1961 | | 1 | Art | Taxom |
| Otopheidomenidae Treat, 1955 | | 2 | Arten | Taxom |
| Oxidae Viets, 1926 | | 3 | Arten | Taxom |
| Pachylaelapidae Berlese, 1913 | | 1 | Art | Taxom |
| Palaeacaridae Grandjean, 1932 | | 1 | Art | Taxom |
| Parakalummidae Grandjean, 1936 | | 5 | Arten | Taxom |
| Parantennulidae Willmann, 1940 | | 1 | Art | Taxom |
| Parasitidae Oudemans, 1901 | Käfermilben | 36 | Arten | Taxom |
| Paratydeidae Baker, 1949 | | 4 | Arten | Taxom |
| Parholaspididae Evans, 1956 | | 7 | Arten | Taxom |
| Passalozetidae Grandjean, 1954 | | 1 | Art | Taxom |
| Pediculochelidae Lavoipierre, 1946 | | 0 | Arten | Taxom |
| Peloppiidae Balogh, 1943 | | 1 | Art | Taxom |
| Penthaleidae Oudemans, 1931 | Sandmilben | 4 | Arten | Taxom |
| Penthalodidae Strandtmann, 1964 | | 2 | Arten | Taxom |
| Perlohmanniidae Grandjean, 1954 | | 2 | Arten | Taxom |
| Phaulodinychidae (Berlese, 1917) | | 0 | Arten | Taxom |
| Phenopelopidae Petrunkevitch, 1955 | | 9 | Arten | Taxom |
| Pheroliodidae Paschoal, 1987 | | 1 | Art | Taxom |
| Philodanidae Kethley, 1977 | | 1 | Art | Taxom |
| Phthiracaridae Perty, 1841 | | 47 | Arten | Taxom |
| Phytoptidae Manson, 1970 | | 15 | Arten | Taxom |
| Phytoseiidae Berlese, 1916 | | 168 | Arten | Taxom |
| Piersigiidae Oudemans, 1902 | | 2 | Arten | Taxom |
| Pionidae Thor, 1900 | | 70 | Arten | Taxom |
| Plateremaeidae Trägårdh, 1931 | | 1 | Art | Taxom |
| Pneumocoptidae Fain, 1957 | | 2 | Arten | Taxom |
| Podapolipidae Husband, 1990 | | 29 | Arten | Taxom |
| Podocinidae Berlese, 1913 | | 5 | Arten | Taxom |
| Polyaspidae (Berlese, 1913) | | 1 | Art | Taxom |
| Polyaspididae Berlese, 1913 | | 15 | Arten | Taxom |
| Pontarachnidae Koenike, 1910 | | 1 | Art | Taxom |
| Proctophyllodidae Trouessart &..., 1884 | | 31 | Arten | Taxom |
| Proteonematalycidae Kethley, 1989 | | 0 | Arten | Taxom |
| Protochthoniidae Norton, 1988 | | 1 | Art | Taxom |
| Protoribatidae J. & P. Balogh, 1984 | | 0 | Arten | Taxom |
| Pseudocheylidae Oudemans, 1909 | | 1 | Art | Taxom |
| Psoralgidae Oudemans, 1908 | | 2 | Arten | Taxom |
| Psorergatidae Womersley, 1941 | | 12 | Arten | Taxom |
| Psoroptidae Hering, 1838 | Räudemilben | 7 | Arten | Taxom |
| Psoroptoididae Gaud, 1958 | | 2 | Arten | Taxom |
| Pterolichidae Trouessart, 1899 | | 7 | Arten | Taxom |
| Pteronyssidae Oudemans, 1941 | | 9 | Arten | Taxom |
| Pterygosomatidae Womersley, 1941 | Geckomilben | 6 | Arten | Taxom |
| Ptiloxenidae Gaud, 1982 | | 1 | Art | Taxom |
| Punctoribatidae Thor, 1937 | | 19 | Arten | Taxom |
| Pyemotidae Newport, 1850 | | 6 | Arten | Taxom |
| Pygmephoridae Krczal, 1964 | | 25 | Arten | Taxom |
| Pyroglyphidae Cunliffe, 1958 | | 13 | Arten | Taxom |
| Quadroppiidae Balogh, 1983 | | 2 | Arten | Taxom |
| Raillietiidae Vitzthum, 1943 | | 3 | Arten | Taxom |
| Raphignathidae Kramer, 1877 | | 8 | Arten | Taxom |
| Rectijanuidae Gaud, 1961 | | 0 | Arten | Taxom |
| Rhagidiidae Zacharda, 1980 | | 40 | Arten | Taxom |
| Rhinonyssidae Trouessart, 1895 | | 26 | Arten | Taxom |
| Rhodacaridae Oudemans, 1902 | | 6 | Arten | Taxom |
| Rhyncoptidae Lawrence, 1956 | | 1 | Art | Taxom |
| Rosensteiniidae Cooreman, 1954 | | 7 | Arten | Taxom |
| Sarcoptidae Megnin, 1877 | Krätzemilben | 14 | Arten | Taxom |
| Scheloribatidae Jacot, 1935 | | 8 | Arten | Taxom |
| Schizogyniidae Trägårdh, 1950 | | 1 | Art | Taxom |
| Scutacaridae Paoli, 1911 | | 5 | Arten | Taxom |
| Scutoverticidae Grandjean, 1954 | | 4 | Arten | Taxom |
| Sejidae Berlese, 1885 | | 8 | Arten | Taxom |
| Selenoribatidae Schuster, 1963 | | 1 | Art | Taxom |
| Siteroptidae Martin, 1978 | | 11 | Arten | Taxom |
| Smarididae Kramer, 1878 | | 3 | Arten | Taxom |
| Sperchontidae Thor, 1900 | | 11 | Arten | Taxom |
| Spinturnicidae Oudemans, 1902 | Flughautmilben | 7 | Arten | Taxom |
| Steganacaridae (Niedbała, 1986) | | 0 | Arten | Taxom |
| Stigmaeidae Wood, 1967 | | 69 | Arten | Taxom |
| Stigmocheylidae (Kethley, 1990) | | 0 | Arten | Taxom |
| Stygothrombiidae Thor, 1935 | | 3 | Arten | Taxom |
| Suctobelbidae Jacot, 1938 | | 10 | Arten | Taxom |
| Suidasiidae Hughes, 1948 | | 6 | Arten | Taxom |
| Synichotritiidae Walker, 1965 | | 5 | Arten | Taxom |
| Syringobiidae Trouessart, 1897 | | 15 | Arten | Taxom |
| Syringophilidae Lavoipierre, 1953 | | 88 | Arten | Taxom |
| Tanaupodidae Thor, 1935 | | 3 | Arten | Taxom |
| Tarsocheylidae Berlese, 1904 | | 3 | Arten | Taxom |
| Tarsonemidae Kramer, 1877 | Fadenfußmilben | 118 | Arten | Taxom |
| Tectocepheidae Grandjean, 1954 | | 3 | Arten | Taxom |
| Tegeocranellidae P. Balogh, 1987 | | 4 | Arten | Taxom |
| Tegoribatidae Grandjean, 1954 | | 6 | Arten | Taxom |
| Teneriffiidae Thor, 1911 | | 1 | Art | Taxom |
| Tenuialidae Jacot, 1929 | | 3 | Arten | Taxom |
| Tenuipalpidae Berlese, 1913 | Falsche Spinnmilben | 76 | Arten | Taxom |
| Terpnacaridae Grandjean, 1939 | | 0 | Arten | Taxom |
| Tetranychidae Donnadieu, 1875 | Spinnmilben | 267 | Arten | Taxom |
| Teutoniidae Koenike, 1910 | | 1 | Art | Taxom |
| Thermacaridae Sokolow, 1927 | | 2 | Arten | Taxom |
| Thyrisomidae Grandjean, 1953 | | 5 | Arten | Taxom |
| Torrenticolidae Thor, 1902 | | 56 | Arten | Taxom |
| Trachytidae Tragärdh, 1938 | | 2 | Arten | Taxom |
| Trachyuropodidae Kramer, 1881 | | 27 | Arten | Taxom |
| Trematuridae Berlese, 1917 | | 38 | Arten | Taxom |
| Trhypochthoniidae Willmann, 1931 | | 6 | Arten | Taxom |
| Trombellidae Thor, 1935 | | 1 | Art | Taxom |
| Trombiculidae Ewing, 1929 | Herbstmilben | 29 | Arten | Taxom |
| Trombidiidae Leach, 1815 | Laufmilben | 16 | Arten | Taxom |
| Trouessartiidae Gaud, 1957 | | 4 | Arten | Taxom |
| Tuckerellidae Baker & Prit..., 1953 | | 3 | Arten | Taxom |
| Turbinoptidae Fain, 1957 | | 5 | Arten | Taxom |
| Tydeidae Kramer, 1877 | Staubmilben | 8 | Arten | Taxom |
| Unionicolidae Oudemans, 1909 | | 79 | Arten | Taxom |
| Uroactiniidae Hirschmann &..., 1964 | | 0 | Arten | Taxom |
| Urodinychidae Berlese, 1917 | | 25 | Arten | Taxom |
| Uropodellidae (Camin, 1955) | | 2 | Arten | Taxom |
| Uropodidae Kramer, 1881 | | 27 | Arten | Taxom |
| Varroidae Delfinado & ..., 1974 | | 2 | Arten | Taxom |
| Veigaiidae Oudemans, 1939 | | 17 | Arten | Taxom |
| Wettinidae Cook, 1956 | | 2 | Arten | Taxom |
| Winterschmidtiidae Oudemans, 1923 | | 6 | Arten | Taxom |
| Xenillidae Woolley & Hi..., 1966 | | 2 | Arten | Taxom |
| Xenocaligonellididae González, 1978 | | 1 | Art | Taxom |
| Xolalgidae Dubinin, 1953 | | 3 | Arten | Taxom |
| Zerconidae Berlese, 1892 | | 11 | Arten | Taxom |