class Anthoceropsida vs division Bryophyta

class Anthoceropsida and division Bryophyta both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Anthoceropsida	Yes	No	No	No
division Bryophyta	Yes	No	No	No

class Anthoceropsida (noun)	division Bryophyta (noun)
hornworts: in some classification systems included in the class Hepaticopsida	a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses (Bryopsida) and liverworts (Hepaticopsida) and hornworts (Anthoceropsida)