nomen nudum
noun
no·men nu·dum
ˈnō-mən-ˈnü-dəm 
-ˈnyü-
plural nomina nuda
ˈnä-mə-nə-ˈnü-də
-ˈnyü-,
ˈnō-
: a proposed taxonomic name that is invalid because the group designated is not described or illustrated sufficiently for recognition, that has no nomenclatural status, and that consequently can be used as though never previously proposed
Cite this Entry
“Nomen nudum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nomen%20nudum. Accessed 4 Nov. 2025.
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