Anthozoa vs class Anthozoa

Anthozoa and class Anthozoa both are nouns.

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

As nouns, Anthozoa and class Anthozoa are synonyms defined as:

Anthozoa and class Anthozoa: a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed

Other synonyms of Anthozoa include Actinozoa, class Actinozoa.

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