red-bellied terrapin vs Pseudemys rubriventris

red-bellied terrapin and Pseudemys rubriventris both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-bellied terrapin	Yes	No	No	No
Pseudemys rubriventris	Yes	No	No	No

As nouns, red-bellied terrapin and Pseudemys rubriventris are synonyms defined as:

red-bellied terrapin and Pseudemys rubriventris: freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell

Other synonyms of red-bellied terrapin include red-bellied turtle, redbelly.

red-bellied terrapin (noun)	Pseudemys rubriventris (noun)
freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell	freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell