nomen dubium
noun
no·men du·bi·um ˈnō-mən-ˈdü-bē-əm 
-ˈdyü-
plural nomina dubia ˈnä-mə-nə-ˈdü-bē-ə
-ˈdyü-,
ˈnō-
: a taxonomic name that cannot be assigned with certainty to any taxonomic group because the description is insufficient for identification and the original specimens no longer exist
Word History
Etymology
New Latin, doubtful name
First Known Use
1915, in the meaning defined above
- undersupply
- undersupplying
- undersurface
- undersurfaces
- undertail
- undertake
- undertaken
- undertaker
- undertakerly
- undertakers
- undertakes
- undertaking
- undertakings
- undertaxed
- undertaxes
- undertaxing
- undertenancies
- undertenancy
- undertenant
- undertenants
- underthings
- underthingses
- underthirsts
- underthought
- underthrew