Classification
- Class: Gastropoda
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- Clade: Littorinimorpha
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- Superfamily: Calyptraeoidea
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- Family: Crepidulidae
Major Genera
- Genus: Calyptraea
- Genus: Cheilea
- Genus: Crepipatella
- Genus: Crepidula
- Genus: Crucibulu
Keong Sandal atau Cup and Saucer shells di kenal dengan adanya cup di dalamnya
Crepidula arenata Crepidula fornicata
Crepidula adunca Crepidula_onyx
Hewan 