order mantophasmatodea vs class Insecta

order mantophasmatodea and class Insecta both are nouns.

Word	Noun	Adjective	Verb	Adverb
order mantophasmatodea	Yes	No	No	No
class Insecta	Yes	No	No	No

order mantophasmatodea (noun)	class Insecta (noun)
an order of insect identified in 2002 in a 45 million year old piece of amber from the Baltic region	insects; about five-sixths of all known animal species