Calyptraeidae
Animal
The Calyptraeidae are a family of small to medium-sized marine prosobranch gastropods.
This family includes the slipper snails, the Chinese hat snails, and the cup-and-saucer snails among others.
The Calyptraeidae are the only family in the... Wikipedia
Family: Calyptraeidae; Lamarck, 1809
Lower classifications