order Testudines vs order Testudinata

order Testudines and order Testudinata both are nouns.

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

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

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

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