Crustacea vs Branchiopoda

Crustacea and Branchiopoda both are nouns.

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

Crustacea (noun)	Branchiopoda (noun)
class of mandibulate arthropods including: lobsters, crabs, shrimps, woodlice, barnacles, decapods, water fleas	primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas