order Temnospondyli vs superorder Labyrinthodontia

order Temnospondyli and superorder Labyrinthodontia both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Temnospondyli	Yes	No	No	No
superorder Labyrinthodontia	Yes	No	No	No

order Temnospondyli (noun)	superorder Labyrinthodontia (noun)
formerly a suborder of Stegocephalia; large Carboniferous and Permian amphibians having vertebrae in which some elements remain separate	extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic