Leontocebus oedipus vs tamarin

Leontocebus oedipus and tamarin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leontocebus oedipus	Yes	No	No	No
tamarin	Yes	No	No	No

As nouns, tamarin is a hypernym of Leontocebus oedipus; that is, tamarin is a word with a broader meaning than Leontocebus oedipus:

Leontocebus oedipus: South American tamarin with a tufted head
tamarin: small South American marmoset with silky fur and long nonprehensile tail

Other hypernyms of Leontocebus oedipus include leoncita, lion marmoset, lion monkey.

Leontocebus oedipus (noun)	tamarin (noun)
South American tamarin with a tufted head	small South American marmoset with silky fur and long nonprehensile tail