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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").
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.
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 ...
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.
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 ...
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
WASHINGTON (Reuters) -U.S. Representative French Hill, a Republican who chairs the House Financial Services Committee, said on Tuesday lawmakers from both chambers of congress would form a working ...
A "designation" has a specific meaning in the Code: it refers to what appears to be a name but either (1) has not been validly published and hence is not a name in the sense of the Code, or (2) is not to be regarded as a name.