form taxon

form taxon
A collection of organisms that is given formal recognition at some rank with a taxonomic name, but which is known to be an artificial group rather than a natural one.

All fossilized roots of scale trees are assigned to the form taxon Stigmaria.


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  • Form taxon — (plural form taxa) may refer to: * In general taxonomy, a kind of wastebasket taxon: a presumably artificial grouping of organisms whose true relationships are not known, being obscured by ecomorphological similarity * In paleobotany, the term is …   Wikipedia

  • Form taxon (botany) — It is often not possible to associate the wood, leaf, flower, fruit and pollen of a fossil plant with each other, as fossil plants are usually found as disarticulated parts, and the individual parts are often insuffucient for identification,… …   Wikipedia

  • Form classification — is the classification of organisms based on their morphology, which does not necessarily reflect their biological relationships. Form classification, generally restricted to palaeontology, reflects uncertainty; the goal of science is to move form …   Wikipedia

  • form class — noun A collection of organisms that is given formal recognition at the rank of class with a taxonomic name, but which is known to be an artificial group rather than a natural one. All fungi for which sexual reproduction is unknown are assigned to …   Wiktionary

  • form genus — noun A collection of organisms that is given formal recognition at the rank of genus with a taxonomic name, but which is known to be an artificial group rather than a natural one. All fossilized roots of scale trees are assigned to the form genus …   Wiktionary

  • Form (Biologie) — Form ist in der Botanik eine Rangstufe oder ein Taxon in dieser Rangstufe. Sie ist eine Untereinheit der Art und das niedrigste aller Taxa; unter ihr gibt es allerdings noch die Abstufung Unterform (lateinisch subforma). Nächstranghöheres Taxon… …   Deutsch Wikipedia

  • Form — may mean: *Form, the shape, appearance, or configuration, of an object *Form (furniture), a long seat or bench without a back *Form (education), a class, set or group of students *Form, a shallow depression or flattened nest of grass used by a… …   Wikipedia

  • Form — (Lehnwort von lat. forma) bezeichnet: Gestalt, die Art und Weise, wie etwas ist oder sich verändert im Sport die körperliche Verfassung eines Menschen, siehe Fitness Form (Kampfkunst), ein feststehender Bewegungsablauf in den Naturwissenschaften… …   Deutsch Wikipedia

  • taxon — [tak′sän΄] n. pl. taxa [tak′sə] [back form. < TAXONOMY] a taxonomic category or unit, as a species or family …   English World dictionary

  • Form (botany) — This article is about form in botany. For the use in zoology, see Form (zoology). In botanical nomenclature, a form ( forma ) is a low level taxonomic rank below that of variety; it is an infraspecific taxon. Its name consists of three parts: a… …   Wikipedia

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