| 词条 | Trichocephalida |
| 释义 |
| image = Trichosomoides crassicauda drawing in Hall 1916.jpg | image_upright = 0.7 | image_alt = | image_caption = Trichosomoides crassicauda, young female with male in vagina, drawing in Hall, 1916 [1] | taxon = Trichocephalida | synonyms = Trichinellida Trichiurida | subdivision_ranks = Families | subdivision = Anatrichosomatidae Yamaguti, 1961 Capillariidae Railliet, 1915 Cystoopsidae Skrjabin, 1923 Trichinellidae Ward, 1907 Trichosomoididae Hall, 1916 Trichuridae Ransom, 1911 }} The Trichocephalida (Trichinellida or Trichurida in other classifications) is an order of parasitic nematodes. TaxonomyThe order Trichocephalida includes, according to modern classifications,[1] the single suborder Trichinellina Hodda, 2007, which itself includes the single superfamily Trichinelloidea Ward, 1907, which itself includes 6 families:
Note that another slightly different arrangement of families exists,[3] with the Family Trichosomoididae including Anatrichosoma in a subfamily Anatrichosomatinae. BiologyAll members of this order are histiotrophic, meaning that in at least one stage of their life cycle, they develop in cells or tissues. They are all parasites in vertebrates in their adult stage. The anterior end is narrower than the posterior end in most of these worms, and the esophagus is slender and embedded in cells called stichocytes which form a stichosome. Eggs of members of this order have bipolar or biopercular plugs (except in a few species). References{{Wikispecies|Trichocephalida}}1. ^Hodda, M. 2011: Phylum Nematoda Cobb 1932. In: Zhang, Z.-Q. (ed.) 2011: Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness. Zootaxa, 3148: 63–95. {{ISBN|978-1-86977-849-1}} (paperback) {{ISBN|978-1-86977-850-7}} (online edition) Free PDF {{Taxonbar|from=Q4051744}}TrichuridaNitkovky2. ^Railliet, A. 1915: L'emploi des médicaments dans le traitement des maladies causées par des Nématodes. Recueil de Médecine Vétérinaire, Paris, 91, 490–513. [not seen] 3. ^1 Moravec, F. 2001: Trichinelloid Nematodes parasitic in cold-blooded vertebrates. Academia, Praha, 432 pp. (list of genera of Capillariidae in pages 30-32) ({{ISBN|8020008055}}) 4. ^1 Hall, M.C. 1916: Nematode parasites of mammals of the orders Rodentia, Lagomorpha and Hyracoidea. Proceedings of the U.S. National Museum, 50, 1–247 Free PDF. 3 : Trichocephalida|Parasitic nematodes of vertebrates|Nematode orders |
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