title: [Biodiversity of nematode fauna].
abstract: Estimation data show that the nematodes are one of the most numerous and diverse phyllum of animals on earth. The number of nematode species is estimated as 26,646 including 15,965 parasitic species. Some new species of parasites are still recorded. For example in 2004 a new whipworm, Trichuris feliui, Trichuridae from Talpa europea was described. According to nowadays data (May, 2005) the number of nematode species parasitizing in animals in Europe is 1431 and in Poland 448 respectively. Most of them belong to the classis Secernetea and the orders Spirurida and Strongylida. The family Capillariidae is the most numerous within the classis Adenophorea. Diversity of nematodes can be characterized by morphological variety as well as differences concerning their biology, ecology and species heterogeneity.
authors.affiliation: Zakład Parazytologii, Instytut Genetyki i Mikrobiologii, Uniwersytet Wrocławski.
authors.forename: Anna
authors.initials: A
authors.lastname: Okulewicz
authors.forename: Agnieszka
authors.initials: A
authors.lastname: Perec
authors.forename: Joanna
authors.initials: J
authors.lastname: Hildebrand
mesh_terms: D000818:Animals; D044822:Biodiversity; D004463:Ecology / Q000639:trends; D017753:Ecosystem; D004784:Environmental Monitoring / Q000379:methods*; D005060:Europe; D009348:Nematoda / Q000145:classification* / Q000502:physiology*; D010802:Phylogeny; D011044:Poland; D013045:Species Specificity