Assertion: rhino | /r/HasProperty | 30 genera of rhinoceros
Facets:
value: in miocene and pliocene time
type: TEMPORAL
Source sentences:
text: 40 million years ago, in Eocene time, the Rhinoceros developed from a Tapir-like animal, and in Miocene and Pliocene time there were 30 genera of Rhinoceros.