Cydippida vs order Cydippidea

Cydippida and order Cydippidea both are nouns.

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

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

Cydippida and order Cydippidea: ctenophores having two long pinnate tentacles

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

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