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The United Nations Standard Products and Services Code (UNSPSC) is a taxonomy of products and services for use in eCommerce. It is a four-level hierarchy coded as an eight-digit number, with an optional fifth level adding two more digits. The latest release (August 14, 2023) of the code set is 26.0801. [1]
Building on efforts by Richard Swartz, Marvin Wass, and Donald Boesch in 1972 to establish an "intelligent" numeric coding system for taxonomy, the first edition of the NODC Taxonomic Code was published in 1977. Hard copy editions were published until 1984.
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 ).
The starting point, that is the time from which these codes are in effect (usually retroactively), varies from group to group, and sometimes from rank to rank. [7] In botany and mycology, the starting point is often 1 May 1753 (Linnaeus, Species plantarum).
The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code , for its formal author, the International Commission on Zoological Nomenclature (which shares the acronym "ICZN").
The ICPN, or PhyloCode, is a code of rules and recommendations for phylogenetic nomenclature. The ICPN only regulates clade names. Names for species rely on the rules of the traditional codes of nomenclature. The Principle of Priority (or "precedence") is claimed for names and for definitions within the ICPN. The starting point for priority was ...
When a taxonomy template is viewed as a page, {{Don't edit this line }} is invoked, since machine code defaults to the empty string. It shows the taxonomy encoded by the taxonomy template in the form of two tables: the left-hand table displays the taxonomy template itself; the right-hand table shows the taxonomic hierarchy starting from the ...
Taxonomic databases digitize scientific biodiversity data and provide access to taxonomic data for research. [1] Taxonomic databases vary in breadth of the groups of taxa and geographical space they seek to include, for example: beetles in a defined region, mammals globally, or all described taxa in the tree of life. [2]