protoctist family vs family

protoctist family and family both are nouns.

Word	Noun	Adjective	Verb	Adverb
protoctist family	Yes	No	No	No
family	Yes	No	No	No

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

protoctist family (noun)	family (noun)
any of the families of Protoctista	primary social group; parents and children
	people descended from a common ancestor
	a social unit living together
	(biology) a taxonomic group containing one or more genera
	a collection of things sharing a common attribute
	an association of people who share common beliefs or activities
	a loose affiliation of gangsters in charge of organized criminal activities
	a person having kinship with another or others