Hexapoda vs class Hexapoda

Hexapoda and class Hexapoda both are nouns.

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

As nouns, Hexapoda and class Hexapoda are synonyms defined as:

Hexapoda and class Hexapoda: insects; about five-sixths of all known animal species

Other synonyms of Hexapoda include class Insecta, Insecta.

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