Assertion: gastropod's shell | /r/HasProperty | durable
Facets:
value: very
type: DEGREE
value: as a group
type: MANNER
value: in many cases
type: TEMPORAL
Source sentences:
text: Because the shells of sea snails are strong and durable in many cases, as a group they are well represented in the fossil record.
text: Mollusc shells (especially those formed by marine species) are very durable and outlast the otherwise soft-bodied animals that produce them by a very long time (sometimes thousands of years even without being fossilized).