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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").
These codes differ in terminology, and there is a long-term project to "harmonize" this. For instance, the ICN uses "valid" in "valid publication of a name" (=the act of publishing a formal name), with "establishing a name" as the ICZN equivalent. The ICZN uses "valid" in "valid name" (="correct name"), with "correct name" as the ICN equivalent ...
The ICZN is governed by the "Constitution of the ICZN", which is usually published together with the ICZN Code. [2] Members are elected by the Section of Zoological Nomenclature, [3] established by the International Union of Biological Sciences (IUBS). The regular term of service of a member of the Commission is six years.
According to the ICZN preamble: Priority of publication is a basic principle of zoological nomenclature; however, under conditions prescribed in the Code its application may be modified to conserve a long-accepted name in its accustomed meaning.
The ICZN follows the Principle of Priority, in which the oldest available name for a taxon is generally the valid name. [4] Junior homonyms in the family and genus group – names of families and genera which have identical spelling, but refer to different taxa. Only one of two (or more) such homonyms can be valid; junior family-rank names must ...
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
In zoological nomenclature, author citation is the process in which a person is credited with the creation of the scientific name of a previously unnamed taxon.When citing the author of the scientific name, one must fulfill the formal requirements listed under the International Code of Zoological Nomenclature ("the Code"). [1]
Under the ICZN, two names of the same rank that have the same name-bearing type are objective synonyms, as are two whose name-bearing types are themselves objectively synonymous names; [7] for example, the names Didelphis brevicaudata Erxleben, 1777, and Didelphys brachyuros Schreber, 1778, were both based on a specimen (now in the British Museum of Natural History) described by Seba in 1734 ...