order Cydippidea vs Cydippea

order Cydippidea and Cydippea both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Cydippidea	Yes	No	No	No
Cydippea	Yes	No	No	No

As nouns, order Cydippidea and Cydippea are synonyms defined as:

order Cydippidea and Cydippea: ctenophores having two long pinnate tentacles

Other synonyms of order Cydippidea include Cydippida, Cydippidea, order Cydippea, order Cydippida.

order Cydippidea (noun)	Cydippea (noun)
ctenophores having two long pinnate tentacles	ctenophores having two long pinnate tentacles