Perissodactyla vs animal order

Perissodactyla and animal order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Perissodactyla	Yes	No	No	No
animal order	Yes	No	No	No

As nouns, animal order is a hypernym of Perissodactyla; that is, animal order is a word with a broader meaning than Perissodactyla:

Perissodactyla: nonruminant ungulates: horses, tapirs, rhinoceros, extinct forms
animal order: the order of animals

Perissodactyla (noun)	animal order (noun)
nonruminant ungulates: horses, tapirs, rhinoceros, extinct forms	the order of animals