Assertion: abalone's shell | /r/HasProperty | secreted by the mantle
Facets:
Source sentences:
text: Mollusks are best known for their beautifully formed and colored calcareous shell secreted by the mantle.
text: Mollusks are best known for their beautifully formed and colored calcareous shell secreted by the mantle.
text: Molluscs are best known for their beautifully formed and colored calcareous shell secreted by the mantle.
text: Mollusks are best known for their beautifully formed and colored calcareous shell secreted by the mantle.