Assertion: conch's shell | /r/Synonym | test
Facets:
Source sentences:
text: The shells of sea urchins are called "tests", and the moulted shells of crabs and lobsters are exuviae.
text: Foraminifera and coccolithophores create shells known as "tests" which are made of calcium carbonate.
text: The shell can also be referred to as a test.