class Hexapoda vs Insecta

class Hexapoda and Insecta both are nouns.

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

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

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

Other synonyms of class Hexapoda include class Insecta, Hexapoda.

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