nomen du·bi·um noun \-ˈdü-bē-əm, -ˈdyü-\
plural nomina du·bia \-bē-ə\
: 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
Origin of NOMEN DUBIUM
New Latin, doubtful name
First Known Use: 1937
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