Clypidina

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Orthogastropoda
Superordo: Vetigastropoda
Superfamilia: Fissurelloidea
Familia: Fissurellidae
Subfamilia: Emarginulinae
Tribus: Emarginulini
Genus: Clypidina
Species: C. notata - C. pulchra - C. thurgensis