Pieridae vs arthropod family

Pieridae and arthropod family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pieridae	Yes	No	No	No
arthropod family	Yes	No	No	No

As nouns, arthropod family is a hypernym of Pieridae; that is, arthropod family is a word with a broader meaning than Pieridae:

Pieridae: arthropod family including cabbage butterflies; sulphur butterflies
arthropod family: any of the arthropods

Pieridae (noun)	arthropod family (noun)
arthropod family including cabbage butterflies; sulphur butterflies	any of the arthropods