Hornkvalster (Oribatida) är kvalster med hårda kroppspansar. Dessa arter är viktiga i nedbrytningsprocessen av organiskt material och är vanliga i fjolårsgräs. Så vanliga att man har räknat upp till 1000 individer per kvadratmeter i skogsförna.
Systematik Hornkvalstren delas in i följande undergrupper:
Palaeosomata Grandjean, 1969 Acaronychoidea Grandjean, 1932 (6 genera) Acaronychidae Grandjean, 1932 Palaeacaroidea Grandjean, 1932 (8 genera) Palaeacaridae Grandjean, 1932 Parhyposomata Balogh & Mahunka, 1979 Parhypochthonioidea Grandjean, 1969 (3 genera) Parhypochthoniidae Grandjean, 1969 Gehypochthoniidae Strenzke, 1963 Elliptochthoniidae Norton, 1975 Enarthronota Grandjean, 1947 Hypochthonoidea Berlese, 1910 (c. 8 genera) Hypochthoniidae Berlese, 1910 Eniochthoniidae Grandjean, 1947 Arborichthoniidae Balogh & Balogh, 1992 Brachychthonoidea Thor, 1934 (c. 11 genera) Brachychthoniidae Thor, 1934 Cosmochthonioidea Grandjean, 1947 (c. 14 genera) Cosmochthoniidae Grandjean, 1947 Heterochthoniidae Grandjean, 1954 Haplochthoniidae Hammen, 1959 Pediculochelidae Lavoipierre, 1946 Sphaerochthoniidae Grandjean, 1947 Atopochthonioidea Grandjean, 1949 (3 genera) Atopochthoniidae Grandjean, 1949 Pterochthoniidae Grandjean, 1950 Phyllochthoniidae Travé, 1967 Protoplophoroidea Ewing, 1917 (c. 7 genera) Protoplophoridae Ewing, 1917 Mixonomata Grandjean, 1969 Dichosomata Balogh & Mahunka, 1979 Nehypochthonioidea Norton & Metz, 1980 Nehypochthoniidae Norton & Metz, 1980 Perlohmannioidea Grandjean, 1954 Perlohmaniidae Grandjean, 1954 Collohmanniidae Grandjean, 1958 Eulohmannioidea Grandjean, 1931 Eulohmanniidae Grandjean, 1931 Epilohmannioidea Oudemans, 1923 Epilohmanniidae Oudemans, 1923 Lohmannioidea Berlese, 1916 Lohmanniidae Berlese, 1916 Euptyctima Grandjean, 1967 Mesoplophoroidea Ewing, 1917 Mesoplophoridae Ewing, 1917 Euphthiracaroidea Jacot, 1930 Oribotritiidae Grandjean, 1954 Euphthiracaridae Jacot, 1930 Synichotritiidae Walker, 1965 Phthiracaroidea Perty, 1841 Phthiracaridae Perty, 1841 Steganacaridae Niedbała, 1986 Holosomata Grandjean, 1969 Crotonioidea Thorell, 1876 Thrypochthoniidae Willmann, 1931 Malaconothridae Berlese, 1916 Nothridae Berlese, 1896 Camisiidae Oudemans, 1900 Crotoniidae Thorell, 1876 Nanhermannioidea Sellnick, 1928 Nanhermanniidae Sellnick, 1928 Hermannioidea Sellnick, 1928 Hermanniidae Sellnick, 1928 Brachypylina Hull, 1918 Pycnonoticae Grandjean, 1954 Hermannielloidea Grandjean, 1934 (2 families) Neoliodoidea Sellnick, 1928 (1 family) Plateremaeoidea Trägårdh, 1926 (4 families) Gymnodamaeoidea Grandjean, 1954 (2 families) Damaeoidea Berlese, 1896 (1 family) Polypterozetoidea Grandjean, 1959 (2 families) Cepheoidea Berlese, 1896 (7 families) Charassobatoidea Grandjean, 1958 (3 families) Microzetoidea Grandjean, 1936 (1 family) Zetorchestoidea Michael, 1898 (1 family) Gustavioidea Oudemans, 1900 (8 families) Eremaeoidea Oudemans, 1900 (4 families) Amerobelboidea Grandjean, 1954 (10 families) Eremelloidea Balogh, 1961 (7 families) Oppioidea Sellnick, 1937 (12 families) Trizetoidea Ewing, 1917 (6 families) Otocepheoidea Balogh, 1961 (4 families) Carabodoidea Koch, 1837 (3 families) Tectocepheoidea Grandjean, 1954 (2 families) Hydrozetoidea Grandjean, 1954 (1 family) Ameronothroidea Willmann, 1931 (3 families) Cymbaeremaeoidea Sellnick, 1928 (3 families) Poronoticae Grandjean, 1954 Licneremaeoidea Grandjean, 1931 (6 families) Phenopelopoidea Petrunkevitch, 1955 (1 family) Unduloribatoidea Kunst, 1971 (3 families) Limnozetoidea Thor, 1937 (2 families) Achipterioidea Thor, 1929 (2 families) Oribatelloidea Jacot, 1925 (3 families) Ceratozetoidea Jacot, 1925 (5 families) Zetomotrichoidea Grandjean, 1934 (1 family) Oripodoidea Jacot, 1925 (19 families) Galumnoidea Jacot, 1925 (3 families)
Källor
Kategori:Kvalster