Hornkvalster

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

Kvalster