acanthopterygian vs teleost

acanthopterygian and teleost both are nouns.

Word	Noun	Adjective	Verb	Adverb
acanthopterygian	Yes	No	No	No
teleost	Yes	No	No	No

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

acanthopterygian: a teleost fish with fins that are supported by sharp inflexible rays
teleost: a bony fish of the subclass Teleostei

Other hypernyms of acanthopterygian include teleost fish, teleostan.

acanthopterygian (noun)	teleost (noun)
a teleost fish with fins that are supported by sharp inflexible rays	a bony fish of the subclass Teleostei