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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 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 ...
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.
[note 4] The ICZN recommends that the "original author and date of a name should be cited at least once in each work dealing with the taxon denoted by that name." [67] For names governed by the ICNafp the name is generally reduced to a standard abbreviation and the date omitted.
University of California, San Francisco – Sam Hawgood, Chancellor; University of California, Santa Barbara – Henry T. Yang, Chancellor; University of California, Santa Cruz – George Blumenthal, Chancellor; University of Central Florida – John C. Hitt, President; University of Central Missouri – Charles M. Ambrose, President
In 1963, its name was changed to the University of the Americas and in 1968 to the Universidad de las Américas. Since its founding the university has been located first in leased buildings at the Colonia Roma in Mexico City during the 1950s and later on an eight-acre campus on the Mexico-Toluca Road.
Taxonomic rank is a classification level in biological taxonomy, such as species, genus, family, order, class, phylum, and kingdom.