class Basidiomycetes vs Auriculariales

class Basidiomycetes and Auriculariales both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Basidiomycetes	Yes	No	No	No
Auriculariales	Yes	No	No	No

class Basidiomycetes (noun)	Auriculariales (noun)
large class of higher fungi coextensive with subdivision Basidiomycota	coextensive with the family Auriculariaceae; sometimes included in the order Tremellales