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In biology, a taxon (back-formation from taxonomy; pl.: taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to...

Look up taxa, taxon, taxonomy, or taxonomic in Wiktionary, the free dictionary. Taxa or Taxon may refer to: Taxa as the plural of taxon, a concept in biological...

generally, recent) organisms. It is the study of extant taxa (singular: extant taxon): taxa (such as species, genera and families) with members still...

illustrated by a cladogram: Taxon A and taxon B are sister groups to each other. Taxa A and B, together with any other extant or extinct descendants of their most...

or more other taxa. Wastebasket taxa are by definition either paraphyletic or polyphyletic, and are therefore not considered valid taxa under strict cladistic...

In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears for one or more periods from the fossil record, only to appear again later. Likewise...

Taxa is a Danish television drama in 56 episodes, written by Stig Thorsboe and produced by Rumle Hammerich for the Danish Broadcasting Corporation. The...

biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are given a taxonomic rank; groups of...

In paleontology, an Elvis taxon (plural Elvis taxa) is a taxon that has been misidentified as having re-emerged in the fossil record after a period of...

This is an index of lists of virus taxa. List of higher virus taxa, i.e. all taxa above the rank of family List of virus families and subfamilies List...

In the history of the Linnaean classification system, many taxa (e.g. species, genera, families, and higher taxonomic ranks) have become defunct or obsolete...

condition of a taxonomic grouping being a clade – that is, a grouping of taxa which meets these criteria: the grouping contains its own most recent common...

Dark taxa are chiefly detected by DNA sequencing, and in particular environmental metabarcoding. Dark taxa make up a paraphyletic group, with dark taxa appearing...

category and assigned the code "LR/lc" or lc. Around 20% of least concern taxa (3261 of 15,636) in the IUCN database still use the code "LR/lc", which indicates...

species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes...

Such early representatives of a group are usually termed "basal taxa" or "sister taxa," depending on whether the fossil organism belongs to the daughter...

portal This list of fossil arthropods described in 2018 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids, and other fossil arthropods...

Taxadiene (taxa-4,11-diene) is a diterpene. Taxadiene is the first committed intermediate in the synthesis of taxol. Six hydroxylation reactions, and a...

In paleontology, a zombie taxon (plural zombie taxa) or the zombie effect refers to a fossil that was washed out of sediments and re-deposited in rocks...

than once, independently. They may also arise when existing taxa are changed, as when two taxa are joined to become one, a species is moved to a different...