equid vs perissodactyl mammal

equid and perissodactyl mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
equid	Yes	No	No	No
perissodactyl mammal	Yes	No	No	No

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

equid: hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck
perissodactyl mammal: placental mammals having hooves with an odd number of toes on each foot

Other hypernyms of equid include odd-toed ungulate, perissodactyl.

equid (noun)	perissodactyl mammal (noun)
hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck	placental mammals having hooves with an odd number of toes on each foot