class Gasteromycetes vs order Tulostomatales

class Gasteromycetes and order Tulostomatales both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Gasteromycetes	Yes	No	No	No
order Tulostomatales	Yes	No	No	No

class Gasteromycetes (noun)	order Tulostomatales (noun)
fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi	an order of fungi belonging to the class Gasteromycetes