Assertion: tuatara's ancestor | /r/CapableOf | have possessed skull
Facets:
Source sentences:
text: The ancestor of diapsids is considered to have possessed a skull with two openings in the temporal region – upper and lower temporal fenestra on each side of the skull bounded by complete arches.
text: The ancestor of diapsids is considered to have possessed a skull with two openings in the temporal region – upper and lower temporal fenestra on each side of the skull bounded by complete arches.