Assertion: echinoderm's mouth | /r/CapableOf | lie in the centre of the oral surface
Facets:
value: towards one end in irregular urchins
type: LOCATION
Source sentences:
text: The mouth lies in the centre of the oral surface in regular urchins, or towards one end in irregular urchins.
text: The mouth lies in the centre of the oral surface in regular urchins, or towards one end in irregular urchins.