Equus quagga vs equid

Equus quagga and equid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Equus quagga	Yes	No	No	No
equid	Yes	No	No	No

As nouns, equid is a hypernym of Equus quagga; that is, equid is a word with a broader meaning than Equus quagga:

Equus quagga: mammal of South Africa that resembled a zebra; extinct since late 19th century
equid: hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck

Other hypernyms of Equus quagga include equine.

Equus quagga (noun)	equid (noun)
mammal of South Africa that resembled a zebra; extinct since late 19th century	hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck