Assertion: cetacean's ancestor | /r/HasProperty | found within the dorudontidae
Facets:
value: probably
type: DEGREE
Source sentences:
text: The direct ancestors of today's cetaceans are probably found within the Dorudontidae whose most famous member, Dorudon, lived at the same time as Basilosaurus.
text: The direct ancestors of today's cetaceans are probably found within the Dorudontidae whose most famous member, Dorudon atrox, lived at the same time as Basilosaurus.