Strongyles (from the Greek ''strongulos'', meaning round), or alternatively, strongyls, are nematode worms of the family Strongylidae, order

Strongylida The Strongylida suborder includes many of the important nematodes found in the gastrointestinal tracts of ruminants, horses, and swine, as well as the lungworms of ruminants and the hookworms of dogs and cats. Taxonomy This suborder includ ...

. They are often

parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson ha ...

in the

gastrointestinal tract The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans a ...

of mammals, especially grazers such as

sheep Sheep or domestic sheep (''Ovis aries'') are domesticated, ruminant mammals typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus ''Ovis'', in everyday usage it almost always refers to domesticated sh ...

cattle Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus '' Bos''. Adult females are referred to as cows and adult ...

and

horse The horse (''Equus ferus caballus'') is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of ''Equus ferus''. The horse has evolved over the past 45 to 55 million ...

Genera

Genera: * '' Alocostoma'' Mawson, 1979 * '' Bidentostomum'' Tshoijo, 1957 * '' Borania'' Ricci, 1939 * '' Caballonema'' Abuladze, 1937 * '' Chabertiella'' Tadros, 1964 * '' Chapiniella'' Yamaguti, 1961 * '' Choniangium'' Henry & Bauche, 1914 * '' Codiostomum'' Railliet & Henry, 1911 * '' Coronocyclus'' Hartwich, 1986 * '' Craterostomum'' Boulenger, 1920 * '' Crycophorus'' Chaves, 1930 * '' Cyathostomum'' Molin, 1861 * '' Cylicocyclus'' Ihle, 1922 * '' Cylicodontophorus'' Ihle, 1922 * '' Cylicostephanus'' Ihle, 1922 * '' Cylindropharynx'' Leiper, 1911 * '' Decrusia'' Lane, 1914 * '' Dicerocola'' Round, 1962 * '' Equinurbia'' Lane, 1914 * '' Eucyathostomum'' Molin, 1861 * '' Gyalocephalus'' Looss, 1900 * '' Hsiungia'' K'ung & Yang, 1964 * ''

Hudsonia ''Hudsonia'' (goldenheather, poverty grass) is a small genus of three species of flowering plants in the family Cistaceae, native to North America. They are typical of sand dune habitats. They are evergreen subshrubs growing to 20 cm tall ...

'' Leroux, 1940 * '' Hypodontus'' Mönnig, 1929 * '' Javellia'' Ricci, 1939 * '' Khalilia'' Neveu-Lemaire, 1924 * '' Kiluluma'' Skrjabin, 1916 * '' Macropicola'' Mawson, 1978 * '' Macropostrongyloides'' Yamaguti, 1961 * '' Maplestonema'' Johnston & Mawson, 1939 * '' Murshidia'' Lane, 1914 * '' Neomurshidia'' Chabaud, 1957 * '' Oesophagodontus'' Railliet & Henry, 1902 * '' Oesophagostomoides'' Schwartz, 1928 * ''

Oesophagostomum ''Oesophagostomum'' is a genus of parasitic nematodes (roundworms) of the family Strongylidae. These worms occur in Africa, Brazil, China, Indonesia and the Philippines. The majority of human infection with ''Oesophagostomum'' is localized to nor ...

'' * '' Paradoxostrongylus'' Özdikmen, 2010 * '' Paramacropostrongylus'' Johnson & Mawson, 1940 * '' Parapoteriostomum'' Hartwich, 1986 * '' Parastrongyloides'' Morgan, 1928 * '' Petrovinema'' Erschov, 1943 * '' Phascolostongylus'' * '' Phascolostrongylus'' Canavan, 1931 * '' Poteriostomum'' Quiel, 1919 * '' Quilonia'' Lane, 1914 * '' Rhinocerotonema'' Jiang, Yin & Kung, 1986 * '' Sauricola'' Chapin, 1924 * '' Skladnikia'' Ricci, 1939 * '' Strongylus'' Müller, 1780 * '' Theileriana'' Monnig, 1924 * '' Tridentoinfundibulum'' Tschoijo, 1958 * '' Triodontophorus'' Looss, 1902 * '' Wuia'' K'ung, 1959 * '' Zebrincola'' Ricci, 1939

References

External links

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uniprot
Nematode families Parasitic nematodes of mammals Parasites of equines Veterinary helminthology {{Veterinary-med-stub