. "Crepidula porcellana, common name the slipper limpet, is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails."@en . . . . . "Crepidula porcellana"@en . . .