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In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon.. The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the senior homonym and is to be used (it is "valid"); any others are junior homonyms and must be replaced with new names.
A more restrictive and technical definition requires that homonyms be simultaneously homographs and homophones [1] —that is, they have identical spelling and pronunciation but different meanings. Examples include the pair stalk (part of a plant) and stalk (follow/harass a person) and the pair left ( past tense of leave ) and left (opposite of ...
The following is a list of tautonyms: zoological names of species consisting of two identical words (the generic name and the specific name have the same spelling). Such names are allowed in zoology, but not in botany, where the two parts of the name of a species must differ (though differences as small as one letter are permitted, as in cumin, Cuminum cyminum).
Junior objective synonyms – synonyms described from the same types. 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 ...
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At the species level, subjective synonyms are common because of an unexpectedly large range of variation in a species, or simple ignorance about an earlier description, may lead a biologist to describe a newly discovered specimen as a new species. A common reason for objective synonyms at this level is the creation of a replacement name.
This page was last edited on 29 June 2020, at 11:55 (UTC).; Text is available under the
Homographs are words with the same spelling but having more than one meaning. Homographs may be pronounced the same (), or they may be pronounced differently (heteronyms, also known as heterophones).