| Crepidula unguiformis, Crepidula plana, Crepidula onyx, Crucibulum|
Crepidula pyguaia 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.
Crepidula pyguaia Wikipedia
The maximum recorded shell length is 20 mm.
Minimum recorded depth is 0 m. Maximum recorded depth is 2 m.