Labyrinthodonta vs animal order

Labyrinthodonta and animal order both are nouns.

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

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

Labyrinthodonta: extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
animal order: the order of animals

Labyrinthodonta (noun)	animal order (noun)
extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic	the order of animals