Assertion: sand dollar | /r/CapableOf | burrow sea urchins
Facets:
Source sentences:
text: Sand dollar, or Sand-dollar is a name used for many species of extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida.
text: Sand dollars are actually burrowing sea urchins.
text: Sand dollar, or Sand-dollar is a name used for many species of extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida.