order Cydippidea vs order Cydippea

order Cydippidea and order Cydippea both are nouns.

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

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

order Cydippidea and order Cydippea: ctenophores having two long pinnate tentacles

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

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