pangolin vs placental mammal

pangolin and placental mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
pangolin	Yes	No	No	No
placental mammal	Yes	No	No	No

As nouns, placental mammal is a hypernym of pangolin; that is, placental mammal is a word with a broader meaning than pangolin:

pangolin: toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
placental mammal: mammals having a placenta; all mammals except monotremes and marsupials

Other hypernyms of pangolin include eutherian, eutherian mammal, placental.

pangolin (noun)	placental mammal (noun)
toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites	mammals having a placenta; all mammals except monotremes and marsupials