class Gastromycetes vs order Sclerodermatales

class Gastromycetes and order Sclerodermatales both are nouns.

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

class Gastromycetes (noun)	order Sclerodermatales (noun)
fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi	an order of fungi having a peridium surrounding a gleba (sometimes placed in subclass Homobasidiomycetes)