class Zygomycetes vs Zygomycetes

class Zygomycetes and Zygomycetes both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Zygomycetes	Yes	No	No	No
Zygomycetes	Yes	No	No	No

As nouns, class Zygomycetes and Zygomycetes are synonyms defined as:

class Zygomycetes and Zygomycetes: class of fungi coextensive with subdivision Zygomycota

class Zygomycetes (noun)	Zygomycetes (noun)
class of fungi coextensive with subdivision Zygomycota	class of fungi coextensive with subdivision Zygomycota