As nouns,
Neurotrichus gibbsii is a hyponym of
shrew mole; that is, Neurotrichus gibbsii is a
word with a more specific, narrower meaning than
shrew mole:
shrew mole: slender mole having a long snout and tail
Neurotrichus gibbsii: greyish-black shrew mole of the United States and Canada