Definition of taxon
1
: a scientifically classified group or entity : a taxonomic unit (such as a genus or order) of any rank
Like higher taxa, subspecies are also partly objective but partly based on human decision.— Stephen Jay Gould … we know from the fossil record that this is a relict taxon … originating 13 million years ago …— Bernard Wood et al.
2
: the name applied to a taxonomic group in a formal system of nomenclature
The marine triclads are formally subsumed in the taxon Maricola …— Seth Tyler
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Merriam-Webster unabridged
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Time Traveler for taxon
The first known use of taxon was in 1929
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