The Rhytidoidea are a superfamily of air-breathing land snails and slugs, terrestrialgastropodmollusks in the suborder Helicina. The former taxonomy was based on the study by Nordsieck, published in 1986. TaxonomyFamilies within the superfamily Rhytidoidea are as follows: AcavidaePilsbry, 1895CaryodidaeConnolly, 1915ClavatoridaeThiele, 1926DorcasiidaeConnolly, 1915MacrocyclidaeThiele, 1926MegomphicidaeH. B. Baker, 1930OdontostomidaePilsbry & Vanatta, 1898Rhytididae Pilsbry, 1893 StrophocheilidaePilsbry, 1902† H.
