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Re: what's a "nomen vanum"?
In a message dated 10/15/99 3:19:58 PM EST, email@example.com writes:
<< what's a "nomen vanum"? I think this came across on the vert paleo list
Literally the phrase means "empty name," and it denotes taxonomic names whose
definitions are inadequate. It's no longer used (that is, it's not supposed
to be used anymore); the preferred terms are now "nomen nudum," which denotes
a name that has no scientific description, and "nomen dubium," which denotes
a scientific name based on nondiagnostic material, or simply a scientific
name of doubtful validity.