order Urodella vs order Caudata

order Urodella and order Caudata both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Urodella	Yes	No	No	No
order Caudata	Yes	No	No	No

As nouns, order Urodella and order Caudata are synonyms defined as:

Other synonyms of order Urodella include Caudata, Urodella.

order Urodella (noun)	order Caudata (noun)
salamanders, newts, congo snakes	salamanders, newts, congo snakes