Cydippida vs Cydippea

Cydippida and Cydippea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cydippida	Yes	No	No	No
Cydippea	Yes	No	No	No

As nouns, Cydippida and Cydippea are synonyms defined as:

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

Cydippida (noun)	Cydippea (noun)
ctenophores having two long pinnate tentacles	ctenophores having two long pinnate tentacles