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In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a hierarchy that reflects evolutionary
Taxonomy is that part of Systematics concerned with topics (a) to (d) above. A whole set of terms including taxonomy, systematic biology, systematics, scientific classification, biological classification, and phylogenetics have at times had overlapping meanings – sometimes the same, sometimes slightly different, but always related and ...
A basonym is original name of a new combination, namely the first name given to a taxon before it was reclassified; A synonym is an alternative name for a taxon, i.e. a taxon was erroneously described twice; When a taxon is transferred it becomes a new combination (comb. nov.) or new name (nom. nov.) paraphyly, monophyly, and polyphyly
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 form a unit. Although neither is required, a taxon is usually known by a particular name and given a particular ranking , especially if and when it is accepted or becomes established.
The concept of synonymy in zoology is reserved for two names at the same rank that refers to a taxon at that rank – for example, the name Papilio prorsa Linnaeus, 1758 is a junior synonym of Papilio levana Linnaeus, 1758, being names for different seasonal forms of the species now referred to as Araschnia levana (Linnaeus, 1758), the map ...
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]
taxon, taxonomy; Taxon is a journal of the IAPT, where proposals are made; synonym: a name for a taxon different from the currently accepted name pro parte (abbreviation p. p.; "for part" in Latin) senior synonym, (zoology): the earliest (correctly published) name; junior synonym, (zoology): any later name; homotypic synonym (botany)
There are some rules for names above the rank of superfamily, but the principle of priority does not apply to them, and the principle of typification is optional. These names may be either automatically typified names or be descriptive names. [36] [37] In some circumstances, a taxon has two possible names (e.g., Chrysophyceae Pascher, 1914, nom ...