Polyodon spathula vs ganoid

Polyodon spathula and ganoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polyodon spathula	Yes	No	No	No
ganoid	Yes	No	No	No

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

Polyodon spathula: primitive fish of the Mississippi valley having a long paddle-shaped snout
ganoid: primitive fishes having thick bony scales with a shiny covering

Other hypernyms of Polyodon spathula include ganoid fish.

Polyodon spathula (noun)	ganoid (noun)
primitive fish of the Mississippi valley having a long paddle-shaped snout	primitive fishes having thick bony scales with a shiny covering