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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 recent common ancestor (MRCA), [Note 1] form a monophyletic group, the clade AB. Clade AB and taxon C are also sister groups. Taxa A, B, and C, together with all other descendants of their MRCA form the clade ABC.
Taxon identifiers enable researchers to search more easily for pertinent information on the subject of an article, without needing to disambiguate the subject manually. For example, taxon identifiers are used in species articles so that the information in the article can be easily cross-referenced with the popular Catalogue of Life database.
a tool to facilitate assessment and management of phylogenetic tree collections. Given an input collection of rooted trees, PhyloExplorer provides facilities for obtaining statistics describing the collection, correcting invalid taxon names, extracting taxonomically relevant parts of the collection using a dedicated query language, and ...
A new taxon is created for each of the other clades. [1] For the each new taxon, the curators try to find a proposed name in literature for it. If there is no name proposed, the taxon is given a placeholder name by adding a suffix to the original name, e.g. Lactobacillus gasseri_A. After "Z" comes "AA". [1]
The representation of taxonomic information in machine-encodable form raises a number of issues not encountered in other domains, such as variant ways to cite the same species or other taxon name, the same name used for multiple taxa , multiple non-current names for the same taxon , changes in name and taxon concept definition through time, and ...
Phylogenetic nomenclature is a method of nomenclature for taxa in biology that uses phylogenetic definitions for taxon names as explained below. This contrasts with the traditional method, by which taxon names are defined by a type, which can be a specimen or a taxon of lower rank, and a description in words. [1]
Nomenclature codes or codes of nomenclature are the various rulebooks that govern the naming of living organisms. Standardizing the scientific names of biological organisms allows researchers to discuss findings (including the discovery of new species).
Taxoboxes display the "taxonomic hierarchy". ("Taxon" is a general term for a named group of organisms, such as a subspecies, a species, a family, an order, etc.) The taxonomic hierarchy shows the location of the taxon within a particular classification system; e.g. for a genus, it may show its family, order, etc. up to kingdom.