Perciformes vs family Lutjanidae

Perciformes and family Lutjanidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Perciformes	Yes	No	No	No
family Lutjanidae	Yes	No	No	No

Perciformes (noun)	family Lutjanidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	the family of snappers (Lutjanidae)