The roughly 2,271 genera are placed in 256 families. The many parasitic forms include pathogens in most plants and animals. A third of the genera occur as parasites of vertebrates; about 35 nematode species occur in humans.
What are the 5 nematodes?
Although numerous nematodes infect humans, six spend the majority of their lifecycle in the bowel lumen and are classified as intestinal nematodes: Ascaris lumbricoides; Trichuris trichiura (whipworm); Ancylostoma duodenale and Necator americanus (the two human hookworms); Enterobius vermicularis (pinworm); and ...
How many Nematoda are there?
Nematode diversity Only around 30,000 species have been described, but the number of extant nematode species is estimated to be a million or more. These species are by no means all alike.
How many classes of nematodes are there?
Summary. The phylum Nematoda is divided into two classes: Adenophorea and Secernentea.
What are the four classifications of nematodes?
Commonly known as roundworms, nematodes are a group of worms that make up the phylum Nematoda. With well over 15,000 species identified today, they can be found in different habitats ranging from terrestrial to marine environments.Ascarids.Filarias.Whipworms.Adenophorea.Enoplea.Nematodes - Phylum Nematoda - Examples, Classification ...
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