taipan vs elapid snake

taipan and elapid snake both are nouns.

Word	Noun	Adjective	Verb	Adverb
taipan	Yes	No	No	No
elapid snake	Yes	No	No	No

As nouns, elapid snake is a hypernym of taipan; that is, elapid snake is a word with a broader meaning than taipan:

taipan: large highly venomous snake of northeastern Australia
elapid snake: any of numerous venomous fanged snakes of warmer parts of both hemispheres

Other hypernyms of taipan include elapid.

taipan (noun)	elapid snake (noun)
large highly venomous snake of northeastern Australia	any of numerous venomous fanged snakes of warmer parts of both hemispheres