subclass Teleostei vs order Synentognathi

subclass Teleostei and order Synentognathi both are nouns.

Word	Noun	Adjective	Verb	Adverb
subclass Teleostei	Yes	No	No	No
order Synentognathi	Yes	No	No	No

subclass Teleostei (noun)	order Synentognathi (noun)
large diverse group of bony fishes; includes most living species	order of fishes having spineless fins, needlefishes, sauries, flying fishes, halfbeaks