Morum oniscus

Morum oniscus is a species of sea snail, a marine gastropod mollusk in the family Harpidae, the harp snails.

Distribution
This species occurs from Bermuda to southeastern Florida (Palm Beach County) and the Florida Keys; throughout the Bahamas and the entire Caribbean Sea Basin; south to the Lesser Antilles and Barbados (rare at Barbados). The species is absent from the Gulf of Mexico.