class Polyplacophora vs Polyplacophora

class Polyplacophora and Polyplacophora both are nouns.

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

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

class Polyplacophora and Polyplacophora: small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura

class Polyplacophora (noun)	Polyplacophora (noun)
small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura	small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura