Umbonium vestiarium
Umbonium vestiarium, common name the button tops, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1] DescriptionThe solid, rounded shells are up to 2 cm wide. They are similar to Oxystele but are more flattened and show a glossy, highly variable and colourfully patterned exterior.[1] HabitatThey can be found on eulittoral sand. DistributionIndo-Pacific. UseIn Vietnam, they are called "ốc ruốc" and commonly sold as a snack. References
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