Assertion: eagle ray's teeth | /r/HasProperty | flat
Facets:
value: for crushing and grinding mollusks
type: PURPOSE
Source sentences:
text: Their teeth are flat, for crushing and grinding mollusks and crustaceans.
text: In general, the teeth have a root implanted within the connective tissue and a visible portion of the tooth, is large and flat, allowing them to crush the bodies of hard shelled prey.