Assertion: sand dollar | /r/HasProperty | a type of sea urchin
Facets:
Source sentences:
text: The sand dollar is a type of sea urchin that appears quite different from it's rounder, spinier cousin, but
text: A Sand Dollar is just another type of Sea Urchin, the ones you find in shops have been killed an emptied and only their shell remains pretty much like what they do to star fish.
text: The sand dollar is a kind of sea urchin.
text: Sand dollars are a type of sea urchin specially adapted to burrowing in sand.
text: Sand dollars are a type of sea urchin and are in the echinoderm phylum, making them related to starfish and sea cucumbers.
text: A Sand Dollar is just another type of Sea Urchin, the ones you find in shops have been killed an emptied and only their shell remains pretty much like what they do to star fish.