Unguiculata vs eutherian

Unguiculata and eutherian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Unguiculata	Yes	No	No	No
eutherian	Yes	Yes	No	No

As nouns, eutherian is a hypernym of Unguiculata; that is, eutherian 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
eutherian: mammals having a placenta; all mammals except monotremes and marsupials

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

Unguiculata (noun)	eutherian (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

Unguiculata (adjective)	eutherian (adjective)
	of or relating to or belonging to the subclass Eutheria