Branchiopoda vs subclass Branchiopoda

Branchiopoda and subclass Branchiopoda both are nouns.

Word	Noun	Adjective	Verb	Adverb
Branchiopoda	Yes	No	No	No
subclass Branchiopoda	Yes	No	No	No

As nouns, Branchiopoda and subclass Branchiopoda are synonyms defined as:

Branchiopoda and subclass Branchiopoda: primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas

Branchiopoda (noun)	subclass Branchiopoda (noun)
primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas	primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas