Assertion: snail's shell | /r/HasAspect | wide aperture
Facets:
value: in the first whorl
type: LOCATION
Source sentences:
text: The sturdy shell of most buccinids is elongated and has a wide aperture in the first whorl.
text: Wave-washed high-energy environments, such as the rocky intertidal zone, are usually inhabited by snails whose shells have a wide aperture, a relatively low surface area, and a high growth rate per revolution.