subclass Exopterygota vs Exopterygota

subclass Exopterygota and Exopterygota both are nouns.

Word	Noun	Adjective	Verb	Adverb
subclass Exopterygota	Yes	No	No	No
Exopterygota	Yes	No	No	No

As nouns, subclass Exopterygota and Exopterygota are synonyms defined as:

subclass Exopterygota and Exopterygota: subclass of insects characterized by gradual and usually incomplete metamorphosis

Other synonyms of subclass Exopterygota include Hemimetabola.

subclass Exopterygota (noun)	Exopterygota (noun)
subclass of insects characterized by gradual and usually incomplete metamorphosis	subclass of insects characterized by gradual and usually incomplete metamorphosis