ganoid fish vs teleost

ganoid fish and teleost both are nouns.

Word	Noun	Adjective	Verb	Adverb
ganoid fish	Yes	No	No	No
teleost	Yes	No	No	No

As nouns, teleost is a hypernym of ganoid fish; that is, teleost is a word with a broader meaning than ganoid fish:

ganoid fish: primitive fishes having thick bony scales with a shiny covering
teleost: a bony fish of the subclass Teleostei

Other hypernyms of ganoid fish include teleost fish, teleostan.

ganoid fish (noun)	teleost (noun)
primitive fishes having thick bony scales with a shiny covering	a bony fish of the subclass Teleostei