superphylum vs taxon

superphylum and taxon both are nouns.

Word	Noun	Adjective	Verb	Adverb
superphylum	Yes	No	No	No
taxon	Yes	No	No	No

As nouns, taxon is a hypernym of superphylum; that is, taxon is a word with a broader meaning than superphylum:

superphylum: (biology) a taxonomic group ranking between a phylum and below a class or subclass
taxon: animal or plant group having natural relations

Other hypernyms of superphylum include taxonomic category, taxonomic group.

superphylum (noun)	taxon (noun)
(biology) a taxonomic group ranking between a phylum and below a class or subclass	animal or plant group having natural relations