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- Holotricha abstract "Holotricha is an order of ciliate protists. The classification has fallen from use as a formal taxon, but the terms "holotrich" and "holotrichous" are still applied descriptively to organisms with cilia of uniform length distributed evenly over the surface of the body.The order Holotricha was erected in 1859 by Friedrich Stein, who developed a system of classification in which ciliates were categorized according to the type and distribution of their cilia. The four major subdivisions of Stein's Ciliata were: Heterotricha, Peritricha, Hypotricha and Holotricha. The latter was reserved for organisms with cilia covering the entire surface of the body. The order included five families, within which a very diverse collection of genera were grouped. Among the better-known ciliates in Stein's Holotricha were Coleps, Nassula, Lacrymaria, Loxodes, Colpoda, Glaucoma and Paramecium.Stein's scheme was amended in 1889 by Otto Bütschli, who divided the Ciliata into two orders: Holotricha and Spirotricha. Bütschli's Holotricha were described much as Stein's had been, as ciliates with relatively uniform somatic cilia. The other three orders of Stein's Ciliata were placed in a lower rank under the new order Spirotricha: ciliates possessing a well-developed structure of spiralling membranelles around the oral cavity.Versions of Bütschli's two-order scheme were used by taxonomists throughout the first half of the twentieth century, although many adjustments were made to the arrangement of families and genera within those groups. Meanwhile, improved laboratory methods and the advent of the electron microscope began to reveal inadequacies in the old scheme; and, as inconsistencies accumulated, dissatisfaction with the system grew. Nonetheless, Holotricha remained in use as a high-level taxon until 1974, when John Corliss proposed a complete revision of the phylum Ciliophora. In his system, Spirotricha is retained as an order, under the class Polyhymenophora, but Holotricha does not appear at any rank. Recent systems of classification, including an influential scheme proposed by Pierre de Puytorac in 1994, and Denis Lynn's revision of 2002, make no mention of Holotricha.".
- Holotricha thumbnail Frontonia_leucas_from_Gary_Calkins_drawn_by_Schewiakoff.jpg?width=300.
- Holotricha wikiPageID "1330666".
- Holotricha wikiPageLength "4656".
- Holotricha wikiPageOutDegree "20".
- Holotricha wikiPageRevisionID "665962690".
- Holotricha wikiPageWikiLink Category:Alveolata.
- Holotricha wikiPageWikiLink Category:Ciliates.
- Holotricha wikiPageWikiLink Category:Protista.
- Holotricha wikiPageWikiLink Ciliate.
- Holotricha wikiPageWikiLink Coleps.
- Holotricha wikiPageWikiLink Colpoda.
- Holotricha wikiPageWikiLink Genus.
- Holotricha wikiPageWikiLink Glaucoma_(ciliate).
- Holotricha wikiPageWikiLink Karyorelictea.
- Holotricha wikiPageWikiLink Lacrymaria_(ciliate).
- Holotricha wikiPageWikiLink Loxodes.
- Holotricha wikiPageWikiLink Membranelle.
- Holotricha wikiPageWikiLink Nassula.
- Holotricha wikiPageWikiLink Order_(biology).
- Holotricha wikiPageWikiLink Otto_Bütschli.
- Holotricha wikiPageWikiLink Paramecium.
- Holotricha wikiPageWikiLink Protist.
- Holotricha wikiPageWikiLink Protists.
- Holotricha wikiPageWikiLink Samuel_Friedrich_Stein.
- Holotricha wikiPageWikiLink Spirotrich.
- Holotricha wikiPageWikiLink Taxon.
- Holotricha wikiPageWikiLink File:Frontonia_leucas_from_Gary_Calkins_drawn_by_Schewiakoff.jpg.
- Holotricha wikiPageWikiLinkText "Holotricha".
- Holotricha hasPhotoCollection Holotricha.
- Holotricha wikiPageUsesTemplate Template:Reflist.
- Holotricha subject Category:Alveolata.
- Holotricha subject Category:Ciliates.
- Holotricha subject Category:Protista.
- Holotricha hypernym Order.
- Holotricha type Eukaryote.
- Holotricha comment "Holotricha is an order of ciliate protists. The classification has fallen from use as a formal taxon, but the terms "holotrich" and "holotrichous" are still applied descriptively to organisms with cilia of uniform length distributed evenly over the surface of the body.The order Holotricha was erected in 1859 by Friedrich Stein, who developed a system of classification in which ciliates were categorized according to the type and distribution of their cilia.".
- Holotricha label "Holotricha".
- Holotricha sameAs Роўнараснічныя_інфузорыі.
- Holotricha sameAs ტოლწამწამიანები.
- Holotricha sameAs m.04t9wk.
- Holotricha sameAs Q13636438.
- Holotricha sameAs Q13636438.
- Holotricha wasDerivedFrom Holotricha?oldid=665962690.
- Holotricha depiction Frontonia_leucas_from_Gary_Calkins_drawn_by_Schewiakoff.jpg.
- Holotricha isPrimaryTopicOf Holotricha.