Assertion: dinosaur's bone | /r/PartOf | large and unusual bison
Facets:
value: particularly
type: DEGREE
Source sentences:
text: This specimen was sent to American paleontologist Othniel Charles Marsh, who believed that the formation from which it came dated from the Pliocene, and that the bones belonged to a particularly large and unusual bison, which he named Bison alticornis.