Malacopterygii vs animal order

Malacopterygii and animal order both are nouns.

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

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

Malacopterygii: an extensive group of teleost fishes having fins supported by flexible cartilaginous rays
animal order: the order of animals

Malacopterygii (noun)	animal order (noun)
an extensive group of teleost fishes having fins supported by flexible cartilaginous rays	the order of animals