nomen nudum


Also found in: Encyclopedia, Wikipedia.

nomen nudum

(nō′mĕn noo′dŭm, nū′) [L. “mere name”]
A named but as yet undescribed organism.
References in periodicals archive ?
elenae seychellensis," described subspecies of "Chremistica elenae," a species not treated as a separate entry in the catalogue and possibly itself a nomen nudum.
This first publication of a scientific name without a valid description constituted a nomen nudum (naked name) and rendered the name invalid.