Crepidula

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: Caenogastropoda
Ordo: Sorbeoconcha
SubOrdo: Hypsogastropoda
InfraOrdo: Littorinimorpha
Superfamilia: Calyptraeoidea
Familia: Calyptraeidae
Genus: Crepidula
Species: C. fornicata

Name

Crepidula Lamarck, 1799

References

Crepidula Report on ITIS (Note: Ordo differs: Neotaenioglossa)