taxon


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Related to taxon: derived character

tax·on

 (tăk′sŏn′)
n. pl. tax·a (tăk′sə)
A taxonomic category or group, such as a phylum, order, family, genus, or species.

[New Latin, back formation from taxonomy.]

taxon

(ˈtæksɒn)
n, pl taxa (ˈtæksə)
(Biology) biology any taxonomic group or rank
[C20: back formation from taxonomy]

tax•on

(ˈtæk sɒn)

n., pl. tax•a (ˈtæk sə)
a taxonomic category, as a species or genus.
[1945–50; < German (1926), from taxonomy]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.taxon - animal or plant group having natural relations
Adapid, Adapid group - extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
Omomyid, Omomyid group - extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins
kingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
subkingdom - (biology) a taxonomic group comprising a major division of a kingdom
biological group - a group of plants or animals
variety - (biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics; "varieties are frequently recognized in botany"
phylum - (biology) the major taxonomic group of animals and plants; contains classes
subphylum - (biology) a taxonomic group ranking between a phylum and a class
superphylum - (biology) a taxonomic group ranking between a phylum and below a class or subclass
class - (biology) a taxonomic group containing one or more orders
subclass - (biology) a taxonomic category below a class and above an order
superclass - (biology) a taxonomic class below a phylum and above a class
order - (biology) taxonomic group containing one or more families
suborder - (biology) taxonomic group that is a subdivision of an order
superorder - (biology) a taxonomic group ranking above an order and below a class or subclass
family - (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
superfamily - (biology) a taxonomic group ranking below an order but above a family
subfamily - (biology) a taxonomic category below a family
tribe - (biology) a taxonomic category between a genus and a subfamily
genus - (biology) taxonomic group containing one or more species
subgenus - (biology) taxonomic group between a genus and a species
monotype - (biology) a taxonomic group with a single member (a single species or genus)
species - (biology) taxonomic group whose members can interbreed
subspecies, race - (biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
var., variant, strain, form - (biology) a group of organisms within a species that differ in trivial ways from similar groups; "a new strain of microorganisms"
type - (biology) the taxonomic group whose characteristics are used to define the next higher taxon
group Pteridospermae, group Pteridospermaphyta, Pteridospermae, Pteridospermaphyta - used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
Centrospermae, group Centrospermae - used in former classification systems; approximately synonymous with order Caryophyllales
Amentiferae, group Amentiferae - used in some classification systems for plants that bear catkins
Phycomycetes, Phycomycetes group - a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems
Translations
Taxon
References in periodicals archive ?
Analysis of matrices with characters absent from taxon A and
When Homalopoltys males were found it became apparent that this taxon is in fact a tetragnathid.
In addition to the cluster analysis, the modal quintile rank score for each variable on each taxon was computed.
The species taxon is that group of individual organisms with sufficient cohesion to name the group (e.
1) taxon must be native (indigenous) to that particular location (such as a state or range), even if no longer present in that location but historically known to be native there; verification of its past occurrence (such as through historical data) can be required;
GenBank Voucher accession Taxon number number Rhizophora harrisonii Leechman Neyland 1889 AF224694 Rhizophora racemosa G.
canadensis increased to predecline levels, whereas pollen influx for this taxon was lower than prior to the decline.
Gambusia affinis was the dominant taxon in the midreaches, representing 34 to 56 percent of the total number of fish caught per site at sites 3, 4, and 5.
Taxon will oversee the continuing improvements of AccuSystem(tm) as well as the research and development of Spintek's ongoing technology work in other areas.
It defines ancestor-descendant relationships in terms of relative recentness of common ancestry: Two taxa are deemed to be more closely related to one another than either is to a third taxon if they share a common ancestor that is not also shared by the third taxon.
A related question concerns the first appearance of a taxon into these freshwater or terrestrial habitats and a means of showing evolutionary continuity.