Crepidula cachimilla 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.[1]
The species was described based on specimens from southwestern Atlantic Ocean in, Argentina (type locality).
The maximum recorded shell length is 52.2 mm.[2] The species is morphologically distinct from other species of Crepidula.[3] These anatomical differences include a projecting apex and the absence of a periostracum. It also has a thicker columellar muscle than other mature Atlantic species of Crepidula.
Minimum recorded depth is 10 m.[2] Maximum recorded depth is 20 m.[2] It attaches to hard substrata.