taxonomic group vs taxon

taxonomic group and taxon both are nouns.

Word	Noun	Adjective	Verb	Adverb
taxonomic group	Yes	No	No	No
taxon	Yes	No	No	No

As nouns, taxonomic group and taxon are synonyms defined as:

taxonomic group and taxon: animal or plant group having natural relations

Other synonyms of taxonomic group include taxonomic category.

taxonomic group (noun)	taxon (noun)
animal or plant group having natural relations	animal or plant group having natural relations