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  2. Phylogenetic nomenclature - Wikipedia

    en.wikipedia.org/wiki/Phylogenetic_nomenclature

    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 ]

  3. PhyloCode - Wikipedia

    en.wikipedia.org/wiki/PhyloCode

    The International Code of Phylogenetic Nomenclature, known as the PhyloCode for short, is a formal set of rules governing phylogenetic nomenclature.Its current version is specifically designed to regulate the naming of clades, leaving the governance of species names up to the rank-based nomenclature codes (ICN, ICNCP, ICNP, ICZN, ICVCN).

  4. Nomenclature codes - Wikipedia

    en.wikipedia.org/wiki/Nomenclature_codes

    [24] [6] Another Code that was developed since 1998 is the PhyloCode, which now regulates names defined under phylogenetic nomenclature instead of the traditional Linnaean nomenclature. This new approach requires using phylogenetic definitions that refer to "specifiers", analogous to "type" under rank-based nomenclature.

  5. Clade - Wikipedia

    en.wikipedia.org/wiki/Clade

    The results of phylogenetic/cladistic analyses are tree-shaped diagrams called cladograms; they, and all their branches, are phylogenetic hypotheses. [ 12 ] Three methods of defining clades are featured in phylogenetic nomenclature : node-, stem-, and apomorphy-based (see Phylogenetic nomenclature§Phylogenetic definitions of clade names for ...

  6. Taxonomy (biology) - Wikipedia

    en.wikipedia.org/wiki/Taxonomy_(biology)

    While popularity of phylogenetic nomenclature has grown steadily in the last few decades, [9] it remains to be seen whether a majority of systematists will eventually adopt the PhyloCode or continue using the current systems of nomenclature that have been employed (and modified, but arguably not as much as some systematists wish) [66] [67] for ...

  7. Phylogenetics - Wikipedia

    en.wikipedia.org/wiki/Phylogenetics

    The simple phylogenetic tree of viruses A-E shows the relationships between viruses e.g., all viruses are descendants of Virus A. HIV forensics uses phylogenetic analysis to track the differences in HIV genes and determine the relatedness of two samples. Phylogenetic analysis has been used in criminal trials to exonerate or hold individuals.

  8. Taxonomic rank - Wikipedia

    en.wikipedia.org/wiki/Taxonomic_rank

    An example is Lithobates (Aquarana) catesbeianus, which designates a species that belongs to the genus Lithobates and the subgenus Aquarana. [15] A subspecies has a name composed of three parts (a trinomial name or trinomen): generic name + specific name + subspecific name; for example Canis lupus italicus. As there is only one possible rank ...

  9. Evolutionary grade - Wikipedia

    en.wikipedia.org/wiki/Evolutionary_grade

    In phylogenetic nomenclature evolutionary grades (or any other form of paraphyly) are not accepted. [6] Where information about phylogenetic relationships is available, organisms are preferentially grouped into clades. Where data is lacking, or groups of uncertain relationship are to be compared, the cladistic method is limited and grade ...