Assertion: whelk's shell | /r/HasProperty | symmetrical
Facets:
value: bilaterally
type: DEGREE
value: typically
type: DEGREE
value: with lying in the sagittal plane
type: OTHER
Source sentences:
text: The distinctive rounded shells are bilaterally symmetrical, and are heart-shaped when viewed from the end.
text: The shell is typically bilaterally symmetrical, with the hinge lying in the sagittal plane.