Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Cladus: Spiralia Cladus: Lophotrochozoa Phylum: Mollusca Classis: Gastropoda Subclassis: Heterobranchia Infraclassis: Euthyneura Cohors: Ringipleura Superordo: Nudipleura Ordo: Nudibranchia Subordo: Cladobranchia Superfamilia: Proctonotoidea
Familia: Dironidae Genera (1): Dirona
Dironidae Eliot, 1910