? rigida Perner, 1907 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda family Holopeidae Name Homonyms ? rigida Perner, 1907 ? rigida Sowerby, 1829 ? rigida Girty, 1908 ? rigida Scudder, 1890 ? rigida Dun, 1909 ? rigida Lightfoot ? rigida Sw. ? rigida E.Mey. ex Drège