order Cydippea vs Cydippidea

order Cydippea and Cydippidea both are nouns.

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

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

order Cydippea and Cydippidea: ctenophores having two long pinnate tentacles

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

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