order Cydippidea vs order Cydippida

order Cydippidea and order Cydippida both are nouns.

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

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

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

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

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