Lamellibranchia vs class Lamellibranchia

Lamellibranchia and class Lamellibranchia both are nouns.

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

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

Lamellibranchia and class Lamellibranchia: oysters, clams, scallops, mussels

Other synonyms of Lamellibranchia include Bivalvia, class Bivalvia, class Pelecypoda.

Lamellibranchia (noun)	class Lamellibranchia (noun)
oysters, clams, scallops, mussels	oysters, clams, scallops, mussels