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]

Umbonium vestiarium
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Trochidae
Genus:	Umbonium
Species:	U. vestiarium
Binomial name
Umbonium vestiarium (Linnaeus, 1758)
Synonyms[1]
Globulus vestiarius Schumacher, 1817 (unnecessary substitute name and thus objective synonym) Rotella lineolata Lamarck, 1822 Trochus vestiarius Linnaeus, 1758

Description

The 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]

Habitat

They can be found on eulittoral sand.

Distribution

Indo-Pacific.

Use

In Vietnam, they are called "ốc ruốc" and commonly sold as a snack.