Assertion: conch's shell | /r/HasProperty | lost
Facets:
value: during the fossilization process
type: TEMPORAL
Source sentences:
text: The majority of ammonoid specimens, especially those of the Paleozoic era, are preserved only as internal molds; the outer shell (composed of aragonite) has been lost during the fossilization process.
text: A shell like this is a lost thing, left behind, prompting visions of an underwater landscape of sediment and swaying weed, where soft spines and frilly shapes emerge from the lips of the shells.