order Testudines vs Testudinata

order Testudines and Testudinata both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Testudines	Yes	No	No	No
Testudinata	Yes	No	No	No

As nouns, order Testudines and Testudinata are synonyms defined as:

Other synonyms of order Testudines include Chelonia, order Chelonia, order Testudinata, Testudines.

order Testudines (noun)	Testudinata (noun)
tortoises and turtles	tortoises and turtles