Assertion: american bison's ancestor | /r/HasProperty | extinct direct
Facets:
Source sentences:
text: The modern day North American Bison has an extinct direct ancestor called the Bison Antiquus, often referred to as the "antique Bison".
text: A possible ancestor, the extinct steppe bison, B. priscus, is known from across Eurasia and North America, last occurring 7,000 BC to 5,400 BC, and is depicted in the Cave of Altamira and Lascaux.