Assertion: plesiosaur's tail | /r/HasProperty | the neck
Facets:
Source sentences:
text: The generic name Elasmosaurus means "thin-plate reptile", in reference to the "plate" bones of the sternal and pelvic regions, and the specific name platyurus means "flat-tailed", in reference to the compressed "tail" (actually the neck) and laminae of the vertebrae there.