Assertion: baby plesiosaur | /r/HasProperty | long
Facets:
Source sentences:
text: Chiappe and O'Keefe estimate the unborn baby plesiosaur was nearly 5 feet (1.5 meters) long, or about a third the length of the mother.
text: The animal, which roamed the seas 78-million years ago, is about 15-feet long — the length of a minibus — and bones indicate that the baby plesiosaur would have been as long as six feet when born.