(Latin) a name not published in accordance with the International Code of Botanical Nomenclature, usually without a diagnosis or description of the entity to which it applies, and without reference to either; such a name should not be used.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms
The phrase nomen nudum (plural nomina nuda) is a Latin term, meaning `naked name`, used in taxonomy (especially in zoological and botanical nomenclature). It may or may not be written in italics, depending on style. The term is used to indicate a designation which looks exactly like a scientific name of an organism, and may have originally been .....
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http://en.wikipedia.org/wiki/Nomen_nudum
A genus name is described as a nomen nudum if it has been insufficiently described or lacks a type species. For example, Arkansaurus , Coelurosaurus , and Likhoelesaurus are genera, each of which is described as nomen nudum. NORMAN, DAVID David B. Norman is a British paleontologist who has extensively studied ornithischian clades, especially the ge...
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
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