order Madreporaria vs class Anthozoa

order Madreporaria and class Anthozoa both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Madreporaria	Yes	No	No	No
class Anthozoa	Yes	No	No	No

order Madreporaria (noun)	class Anthozoa (noun)
stony corals	a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed