order Thysanoptera vs class Hexapoda

order Thysanoptera and class Hexapoda both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Thysanoptera	Yes	No	No	No
class Hexapoda	Yes	No	No	No

order Thysanoptera (noun)	class Hexapoda (noun)
the order of thrips (Thysanoptera)	insects; about five-sixths of all known animal species