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| | Taxonomy II: Nomenclature |
 | | Thus, the central idea behind the Linnaean taxonomic system was to provide a stable, enduring list of names so that we can communicate effectively in all the fields of the life sciences, retrieve information efficiently and be confident that each species name is one of a kind. |
 | | Of course, the rules of Linnaean nomenclature apply only to official names, not to informal, everyday language, which is virtually impossible to track and enforce. |
 | | Tyrannosaurus rex (Osborn, 1905) is a name that is eluding one of the cardinal rules of taxonomy, the principle of priority, which requires that in cases where synonyms are known to occur, the first name given to a species is recognized as the authentic one. |
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