Assertion: conch's shell | /r/HasProperty | 15–31 centimetres
Facets:
value: in length
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: The mature shell is typically 15–31 centimetres (5.9–12.2 in) in length, while the maximum reported size is 35.2 centimetres (13.9 in).