Unguiculata vs placental mammal

Unguiculata and placental mammal both are nouns.

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

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

Unguiculata: in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceans
placental mammal: mammals having a placenta; all mammals except monotremes and marsupials

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

Unguiculata (noun)	placental mammal (noun)
in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceans	mammals having a placenta; all mammals except monotremes and marsupials