class Gastromycetes vs order Hymenogastrales

class Gastromycetes and order Hymenogastrales both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Gastromycetes	Yes	No	No	No
order Hymenogastrales	Yes	No	No	No

class Gastromycetes (noun)	order Hymenogastrales (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; has a distinct basidiocarp with a fleshy or waxy gleba (sometimes placed in subclass Homobasidiomycetes)