Nomen oblitum

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A nomen oblitum (Latin for "forgotten name") is a name that has not been used in the scientific community for more than fifty years after its original proposal, and which is either a senior synonym or homonym; that is, a more recent name which is in common use is either the same taxon (a synonym), or is spelled the same (a homonym). Once formally declared as such, the senior is no longer recognized, as the junior name takes precedence, as a nomen conservandum or nomen protectum.

For example, see scrotum (dinosaur).

This page has been transwikied to Wiktionary.

Because this article has content useful to Wikipedia's sister project Wiktionary, it has been copied to there, and its dictionary counterpart can be found at either Wiktionary:Transwiki:Nomen oblitum or Wiktionary:Nomen oblitum. It should no longer appear in Category:Copy to Wiktionary and should not be re-added there.
Wikipedia is not a dictionary, and if this article cannot be expanded beyond a dictionary definition, it should be tagged for deletion. If it can be expanded into an article, please do so and remove this template.
Note that {{vocab-stub}} is deprecated. If {{vocab-stub}} was removed when this article was transwikied, and the article is deemed encyclopedic, there should be a more suitable category for it.

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