Canthocamptidae is a family of . Most of the 700 species are confined to fresh water, although there are also marine species. It contains the following genera:
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Afrocamptus Chappuis, 1932
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Antarctobiotus Chappuis, 1930
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Antrocamptus Chappuis, 1956
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Arcticocamptus Chappuis, 1928
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Attheyella Brady, 1880
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Australocamptus Karanovic, 2004
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Boreolimella Huys & Thistle, 1989
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Bryocamptus Chappuis, 1928
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Canthocamptus Westwood, 1836
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Ceuthonectes Chappuis, 1923
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Cletocamptus Schmankevitsch 1875
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Delachauxiella Brehn & Lunz, 1926
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Echinocamptus Chappuis, 1929
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Elaphoidella Chappuis, 1928
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Elaphoidellopsis Apostolov, 1985
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Epactophanoides Borutzky, 1966
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Ferroniera Labbe, 1924
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Fibulacamptus Hamond, 1988
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Glaciella Kikuchi, 1994
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Gulcamptus Miura, 1969
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Hemimesochra G. O. Sars, 1920
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Heteropsyllus T. Scott, 1894
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Hypocamptus Chappuis, 1929
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Isthmiocaris George & Schminke, 2003
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Itunella Brady, 1896
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Kikuchicamptus
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Leimia Willey, 1923
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Lessinocamptus Stoch, 1997
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Ligulocamptus Guo, 1998
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Limocamptus Chappuis, 1928
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Loefflerella Rouch, 1962
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Maraenobiotus Mrázek, 1893
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Mesochra Boeck, 1865
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Mesopsyllus Por, 1960
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Moraria T. & A. Scott, 1893
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Morariopsis Borutzky, 1931
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Nannomesochra Gurney, 1932
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Neoelaphoidella Apostolov, 1975
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Neomrazekiella Ozdikmen & Pesce, 2006
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Orthopsyllus Brady & Robertson, 1873
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Paramorariopsis Brancelj, 1992
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Parepactophanes Kunz, 1935
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Pesceus Özdikmen, 2008
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Pholetiscus Humes, 1947
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Phyllocamptus T. Scott, 1899
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Pilocamptus Wells, 2007
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Pindamoraria Reid & Rocha, 2003
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Pordfus Özdikmen, 2008
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Poria Lang, 1965
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Portierella Labbe, 1926
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Praelaphoidella Apostolov, 1991
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Psammocamptus Mielke, 1975
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Pseudocamptus Ebert, 1976
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Pseudomoraria Brancelj, 1994
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Rheocamptus Borutzky, 1964
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Spelaeocamptus Chappuis, 1933
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Stenocaris G. O. Sars, 1909
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Stygepactophanes Moeschler & Rouch, 1984
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Thermomesochra Ito & Burton, 1980
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Vibriopsyllus Kornev & Chertoprud 2008
Indeterminate fossils likely members of the family are known from the late
Carboniferous of Oman, which were found in a clast of
bitumen from a
diamictite that had likely seeped up through a
subglacial lake.