order Euphausiacea vs Euphausiacea

order Euphausiacea and Euphausiacea both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Euphausiacea	Yes	No	No	No
Euphausiacea	Yes	No	No	No

As nouns, order Euphausiacea and Euphausiacea are synonyms defined as:

order Euphausiacea and Euphausiacea: small commonly luminescent crustaceans; important element of marine plankton: krill

order Euphausiacea (noun)	Euphausiacea (noun)
small commonly luminescent crustaceans; important element of marine plankton: krill	small commonly luminescent crustaceans; important element of marine plankton: krill