Apterygiformes vs animal order

Apterygiformes and animal order both are nouns.

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

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

Apterygiformes: a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
animal order: the order of animals

Apterygiformes (noun)	animal order (noun)
a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis	the order of animals